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When searching for the best data center servers, the options can seem overwhelming. The top picks like the Dell PowerEdge R740xd stand out for their robust performance and scalability, making them ideal for demanding workloads. Meanwhile, models like the HP ProLiant DL360 Gen 10 offer a balanced mix of features for smaller setups or businesses new to data centers. The main tradeoffs often revolve around balancing raw power versus cost, and simplicity versus expandability. Continue reading for a detailed breakdown to find the best fit for your data center needs.

12
compared
2
brands
512GB
max ram
Which data center server should you buy?
★ Top Pick
Dell PowerEdge R640 SAS/NVMe S
Best Overall for Versatile Enterprise Workloads
Dual Xeon Gold processors delivering 24 cores for multitasking
See on Amazon →
Data center operators needing high-density compute and storage for virtualization or analytics
Dell PowerEdge R740xd Server
High core count with 40 cores for parallel workloads
View on Amazon →
Large organizations needing fast CPU performance combined with extensive storage for enterprise workloads
Dell PowerEdge R640 Server 3.5
Fast 3.50GHz 16-core processor for quick data processing
View on Amazon →
Enterprises requiring maximum CPU cores and large memory for virtualization or complex analytics
Dell PowerEdge R830 Server
Massive 56-core processing power for intensive workloads
View on Amazon →
Enterprises with network-intensive workloads such as big data analytics or web hosting
Dell PowerEdge R640 10x SFF Se
Dual Xeon Gold 6130 processors for solid compute performance
View on Amazon →
RAM — compared
Dell PowerEdge R740xd Server256GB
Dell PowerEdge R830 Server512GB
Dell PowerEdge R640 10-Bay 6-N64GB
Dell PowerEdge R640 Server wit256GB
Dell PowerEdge R640 Server 2.7256GB
Dell PowerEdge R720 Server wit192GB
Dell PowerEdge R640 Server 2x 256GB
Pros & cons at a glance
Dell PowerEdge R640 SAS/NVMe S
✓ Dual Xeon Gold processors delivering 24 cores for multitasking
✗ Renewed product may have limited warranty or unknown longevity
Dell PowerEdge R740xd Server
✓ High core count with 40 cores for parallel workloads
✗ Lack of detailed storage capacity info could be a concern
Dell PowerEdge R640 Server 3.5
✓ Fast 3.50GHz 16-core processor for quick data processing
✗ Heavy weight may complicate installation
Dell PowerEdge R830 Server
✓ Massive 56-core processing power for intensive workloads
✗ No mention of GPU support or advanced I/O features
Dell PowerEdge R640 10x SFF Se
✓ Dual Xeon Gold 6130 processors for solid compute performance
✗ Renewed product may have limited warranty
Dell PowerEdge R640 10-Bay 6-N
✓ High-performance 40-core processor suitable for demanding workloads
✗ Lacks detailed information on storage capacity or type
HP ProLiant DL360 Gen 10 Busin
✓ Dual CPU configuration offers strong multi-threaded performance
✗ Requires separate purchase of additional drives and memory upgrades
Dell PowerEdge R640 Server wit
✓ Powerful dual Xeon Gold processors with 36 cores each
✗ Renewed condition may impact warranty and reliability
Dell PowerEdge R730XD Server
✓ Dual Xeon processors with 24 cores for reliable performance
✗ No included rails or bezel, adding to setup effort
Dell PowerEdge R640 Server 2.7
✓ Fast 2.70GHz 36-core processor boosts performance
✗ Limited warranty due to renewed condition
Dell PowerEdge R720 Server wit
✓ Robust dual-processor setup for multitasking and high throughput
✗ No detailed storage specifications, limiting storage planning
Dell PowerEdge R640 Server 2x
✓ High-core dual processor setup for parallel processing
✗ Renewed product may have limited warranty coverage

Key Takeaways

  • High-core CPUs and large RAM capacities are the primary drivers of performance in these servers.
  • Renewed or refurbished options provide significant savings but may have tradeoffs in warranty and longevity.
  • The top-ranked servers excel in scalability and storage options, suited to enterprise environments.
  • Compact 1U/2U models like the HP ProLiant DL360 balance performance with space efficiency.
  • Choosing between high-end features and cost savings depends heavily on the workload and future growth plans.
2
Dell PowerEdge R740xd Server
Best for High-Density Enterprise Storage and Computing
1
Dell PowerEdge R640 SAS/NVMe S
Best Overall for Versatile Enterprise Workloads
3
Dell PowerEdge R640 Server 3.5
Best for High-Performance Enterprise Applications

Our Top Best Data Center Servers Picks

Dell PowerEdge R640 SAS/NVMe Server 2.30GHz 24-Core 96GB RAM (Renewed)Dell PowerEdge R640 SAS/NVMe Server 2.30GHz 24-Core 96GB RAM (Renewed)Best Overall for Versatile Enterprise WorkloadsProcessor: 2x 2.30GHz Intel Xeon Gold 5118 12-CoreMemory: 96GB DDR4 RAMHard Drives: 10x 2.5” SAS/NVMe CaddiesVIEW LATEST PRICESee Our Full Breakdown
Dell PowerEdge R740xd Server, 2x Intel Gold 6148 2.40GHz, 40-Core, 256GB RAM, 24 Caddies (Renewed)Dell PowerEdge R740xd Server, 2x Intel Gold 6148 2.40GHz, 40-Core, 256GB RAM, 24 Caddies (Renewed)Best for High-Density Enterprise Storage and ComputingProcessor: 2x Intel Gold 6148 2.40GHzCores: 40RAM: 256GBVIEW LATEST PRICESee Our Full Breakdown
Dell PowerEdge R640 Server 3.50GHz 16-Core 192GB RAM 9.6TB Windows Server Rails (Renewed)Dell PowerEdge R640 Server 3.50GHz 16-Core 192GB RAM 9.6TB Windows Server Rails (Renewed)Best for High-Performance Enterprise ApplicationsProcessor: 3.50GHz 16-CoreMemory: 192GBStorage: 9.6TBVIEW LATEST PRICESee Our Full Breakdown
Dell PowerEdge R830 Server, 4x E5-4650v4 2.20GHz, 56-Core, 512GB RAM, 16x 2TB Drives, 12G H730PDell PowerEdge R830 Server, 4x E5-4650v4 2.20GHz, 56-Core, 512GB RAM, 16x 2TB Drives, 12G H730PBest for Heavy-Duty Enterprise Virtualization and Data ProcessingProcessor: 4x E5-4650v4 2.20GHzCores: 56RAM: 512GBVIEW LATEST PRICESee Our Full Breakdown
Dell PowerEdge R640 10x SFF Server with Dual Xeon Gold 6130, 256GB RAM, 2x 600GB HDD, 10GbE, Rails (Renewed)Dell PowerEdge R640 10x SFF Server with Dual Xeon Gold 6130, 256GB RAM, 2x 600GB HDD, 10GbE, Rails (Renewed)Best for High-Performance, Network-Intensive Enterprise ApplicationsProcessor: 2x Xeon Gold 6130 2.1GHz 16-CoreMemory: 256GB DDR4HDD: 2x 600GB 10K SASVIEW LATEST PRICESee Our Full Breakdown
Dell PowerEdge R640 10-Bay 6-NVMe Server 2.00GHz 40-Core 64GB RAM + Rails JBOD (Renewed)Dell PowerEdge R640 10-Bay 6-NVMe Server 2.00GHz 40-Core 64GB RAM + Rails JBOD (Renewed)Best Performance for Demanding Enterprise WorkloadsModel: PowerEdge R640Bays: 10Processor: 6 x 40-Core 2.00GHzVIEW LATEST PRICESee Our Full Breakdown
HP ProLiant DL360 Gen 10 Business Server Bundle with Dual Intel Xeon Silver 4210 CPUs, 64GB RAM, 7.68TB SSDs, RAID, Rail KitHP ProLiant DL360 Gen 10 Business Server Bundle with Dual Intel Xeon Silver 4210 CPUs, 64GB RAM, 7.68TB SSDs, RAID, Rail KitBest for Enterprise Storage and VersatilityProcessor: Dual Intel Xeon Silver 4210 10-Core 2.20GHzMemory: 64GB DDR4 RAMStorage: 7.68TB SSDVIEW LATEST PRICESee Our Full Breakdown
Dell PowerEdge R640 Server with Dual Intel Xeon Gold 6150, 36-Core, 256GB RAM, 800GB SSD, 10.8TB Storage (Renewed)Dell PowerEdge R640 Server with Dual Intel Xeon Gold 6150, 36-Core, 256GB RAM, 800GB SSD, 10.8TB Storage (Renewed)Best for High-End Enterprise ApplicationsProcessor: Dual Intel Xeon Gold 6150, 36-CoreRAM: 256GBSSD: 800GBVIEW LATEST PRICESee Our Full Breakdown
Dell PowerEdge R730XD Server, 2x E5-2680 V3 2.50GHz, 128GB RAM, 5x 1TB SAS HDD, PERC H730, iDRAC 8, RenewedDell PowerEdge R730XD Server, 2x E5-2680 V3 2.50GHz, 128GB RAM, 5x 1TB SAS HDD, PERC H730, iDRAC 8, RenewedBest for Enterprise Storage with Management FeaturesProcessor: 2x Intel Xeon E5-2680 V3 2.50GHzCores: 24Memory: 128GB DDR4 RAMVIEW LATEST PRICESee Our Full Breakdown
Dell PowerEdge R640 Server 2.70GHz 36-Core 256GB RAM 2x 480GB SSD 6x 1.2TB HDDs (Renewed)Dell PowerEdge R640 Server 2.70GHz 36-Core 256GB RAM 2x 480GB SSD 6x 1.2TB HDDs (Renewed)Best for Versatile Enterprise Data ProcessingProcessor: 2.70GHz 36-coreRAM: 256GBSSD: 2x 480GBVIEW LATEST PRICESee Our Full Breakdown
Dell PowerEdge R720 Server with 2x E5-2690 2.9GHz, 16-Core, 192GB RAM, H710 (Renewed)Dell PowerEdge R720 Server with 2x E5-2690 2.9GHz, 16-Core, 192GB RAM, H710 (Renewed)Best for High-Performance Enterprise ComputingProcessor: 2x E5-2690 2.9GHzCores: 16RAM: 192GBVIEW LATEST PRICESee Our Full Breakdown
Dell PowerEdge R640 Server 2x Gold 6148 2.4GHz 40-Core 256GB RAM + 8 Caddies (Renewed)Dell PowerEdge R640 Server 2x Gold 6148 2.4GHz 40-Core 256GB RAM + 8 Caddies (Renewed)Best for Cutting-Edge Data Center PerformanceProcessor: 2x Gold 6148 2.4GHzCores: 40 per CPURAM: 256GBVIEW LATEST PRICESee Our Full Breakdown
Specs at a glance
data center serverProcessorRAMForm FactorCondition
Dell PowerEdge R640 SAS/NVMe S2x 2.30GHz Intel Xeon Gold 5118 12-Core1U Rack Server
Dell PowerEdge R740xd Server2x Intel Gold 6148 2.40GHz256GB2U RackRenewed
Dell PowerEdge R640 Server 3.53.50GHz 16-CoreRack-mountedRenewed
Dell PowerEdge R830 Server4x E5-4650v4 2.20GHz512GB2U Rack
Dell PowerEdge R640 10x SFF Se2x Xeon Gold 6130 2.1GHz 16-CoreSFFRenewed
Dell PowerEdge R640 10-Bay 6-N6 x 40-Core 2.00GHz64GBRenewed
HP ProLiant DL360 Gen 10 BusinDual Intel Xeon Silver 4210 10-Core 2.20GHzServer Bundle with Rail Kit
Dell PowerEdge R640 Server witDual Intel Xeon Gold 6150, 36-Core256GB
Dell PowerEdge R730XD Server2x Intel Xeon E5-2680 V3 2.50GHz
Dell PowerEdge R640 Server 2.72.70GHz 36-core256GB
Dell PowerEdge R720 Server wit2x E5-2690 2.9GHz192GBRenewed
Dell PowerEdge R640 Server 2x 2x Gold 6148 2.4GHz256GBRenewed

More Details on Our Top Picks

  1. Dell PowerEdge R640 SAS/NVMe Server 2.30GHz 24-Core 96GB RAM (Renewed)

    Dell PowerEdge R640 SAS/NVMe Server 2.30GHz 24-Core 96GB RAM (Renewed)

    Best Overall for Versatile Enterprise Workloads

    View Latest Price

    This Dell PowerEdge R640 stands out for its combination of performance and flexibility, making it a strong choice for varied enterprise environments. With dual Intel Xeon Gold 5118 processors, it offers 24 cores—ideal for demanding multitasking—while the 96GB of RAM supports intensive applications. Its storage options, including SAS and NVMe drives, provide both speed and capacity, surpassing simpler configurations like the R640 with fewer drive options. The inclusion of dual 1100W power supplies enhances reliability, but as a renewed product, it might have limited warranty and missing accessories like rails or bezel. Compared to the R740xd, this model prioritizes flexibility over raw storage capacity, which could be a tradeoff for users needing rapid access to diverse workloads. This pick makes the most sense for enterprise teams needing a dependable, adaptable server with balanced performance.

    Pros:
    • Dual Xeon Gold processors delivering 24 cores for multitasking
    • Flexible storage options with SAS and NVMe drives
    • Large 96GB RAM capacity suitable for demanding applications
    • Redundant 1100W power supplies for high availability
    Cons:
    • Renewed product may have limited warranty or unknown longevity
    • No included rails or bezel, requiring additional purchase
    • No optical drive included, limiting certain use cases

    Best for: IT managers seeking a versatile, high-performance server for mixed workloads in enterprise environments

    Not ideal for: Small businesses or remote offices that require simple, budget-friendly servers without extensive expansion needs

    • Processor:2x 2.30GHz Intel Xeon Gold 5118 12-Core
    • Memory:96GB DDR4 RAM
    • Hard Drives:10x 2.5” SAS/NVMe Caddies
    • Power Supplies:2x 1100W Platinum
    • RAID Controller:H740P 8GB Cache
    • Network Interface:Dual 10GB SFP+ and Dual 1GB RJ-45
    • Form Factor:1U Rack Server
    • Model:Dell PowerEdge R640
    Our verdict
    “This server is ideal for enterprises needing flexible, reliable performance across diverse workloads.”
  2. Dell PowerEdge R740xd Server, 2x Intel Gold 6148 2.40GHz, 40-Core, 256GB RAM, 24 Caddies (Renewed)

    Dell PowerEdge R740xd Server, 2x Intel Gold 6148 2.40GHz, 40-Core, 256GB RAM, 24 Caddies (Renewed)

    Best for High-Density Enterprise Storage and Computing

    View Latest Price

    This Dell PowerEdge R740xd excels in environments where high processing power and storage density are priorities. Its dual Intel Gold 6148 processors provide 40 cores, making it suitable for intensive virtualization or data processing tasks—outperforming the R640 with lower core counts. The generous 256GB of RAM supports large-scale workloads, but the absence of specific storage capacity details leaves questions about total available space, especially compared with the R830 with its extensive drives. While it includes necessary power cords and is renewed to a high standard, it may consume more power than less dense models. This server is better suited to large-scale data centers that need raw compute and storage density, rather than smaller setups with limited space or power budgets. It’s a compelling option for organizations prioritizing raw processing power in a dense form factor.

    Pros:
    • High core count with 40 cores for parallel workloads
    • Large 256GB RAM supporting heavy multitasking
    • High-performance dual processors for demanding tasks
    • Includes power cords and renewal quality assurance
    Cons:
    • Lack of detailed storage capacity info could be a concern
    • Potentially high power consumption due to dense hardware
    • No specific mention of GPU or advanced I/O features

    Best for: Data center operators needing high-density compute and storage for virtualization or analytics

    Not ideal for: Small offices or teams with limited space who don’t require extreme processing capacity

    • Processor:2x Intel Gold 6148 2.40GHz
    • Cores:40
    • RAM:256GB
    • Drive Caddies:24
    • Form Factor:2U Rack
    • Condition:Renewed
    Our verdict
    “This server is best suited for large-scale data centers that need maximum processing and storage density in a single chassis.”
  3. Dell PowerEdge R640 Server 3.50GHz 16-Core 192GB RAM 9.6TB Windows Server Rails (Renewed)

    Dell PowerEdge R640 Server 3.50GHz 16-Core 192GB RAM 9.6TB Windows Server Rails (Renewed)

    Best for High-Performance Enterprise Applications

    View Latest Price

    The Dell PowerEdge R640 with a 3.50GHz 16-core processor and 192GB of RAM is tailored for demanding enterprise applications that require fast processing and substantial memory. Its 9.6TB storage capacity makes it suitable for data-intensive workloads, surpassing similar models with less storage, like the R640 with NVMe options, which prioritize speed over capacity. The heavier weight of over 50 pounds indicates a sturdy build, but it may require assistance for setup. Compared to the R830, which offers more cores and RAM but at a higher cost, this model balances speed and capacity for mid-to-large enterprises. Limited details on warranty or support could be a consideration for mission-critical deployments. This server is ideal for companies looking for a reliable, high-performance rack server with ample storage for enterprise data processing.

    Pros:
    • Fast 3.50GHz 16-core processor for quick data processing
    • Large 192GB RAM supports multitasking and virtualization
    • Extensive 9.6TB storage capacity for data-heavy applications
    • Includes power cords and custom configuration options
    Cons:
    • Heavy weight may complicate installation
    • Limited detail on warranty or technical support
    • Potentially higher power usage due to high specs

    Best for: Large organizations needing fast CPU performance combined with extensive storage for enterprise workloads

    Not ideal for: Small teams or remote offices with limited space or lower processing requirements

    • Processor:3.50GHz 16-Core
    • Memory:192GB
    • Storage:9.6TB
    • Form Factor:Rack-mounted
    • Condition:Renewed
    Our verdict
    “This server offers a potent mix of processing speed and storage capacity, making it ideal for enterprise data centers focused on performance.”
  4. Dell PowerEdge R830 Server, 4x E5-4650v4 2.20GHz, 56-Core, 512GB RAM, 16x 2TB Drives, 12G H730P

    Dell PowerEdge R830 Server, 4x E5-4650v4 2.20GHz, 56-Core, 512GB RAM, 16x 2TB Drives, 12G H730P

    Best for Heavy-Duty Enterprise Virtualization and Data Processing

    View Latest Price

    The Dell PowerEdge R830 with four Xeon E5-4650v4 processors and 512GB RAM is designed for environments where maximum processing power and memory are needed. Its 56 cores enable extensive virtualization and data analysis, positioning it above many R640 models in raw compute capacity. The inclusion of 16x 2TB drives offers substantial storage, but the total capacity may fall short for organizations with extremely large datasets compared to the R740xd’s dense storage. The 12G H730P RAID controller boosts data management, yet the system’s high core count and power demands could lead to elevated energy costs. This server fits best in data centers focused on virtualization, high-performance computing, or large-scale enterprise workloads, but might be overkill for smaller setups or less intensive applications.

    Pros:
    • Massive 56-core processing power for intensive workloads
    • 512GB RAM supports vast virtualization environments
    • Multiple large drives for extensive local storage
    • Includes RAID controller for data integrity
    Cons:
    • High power consumption and operational costs
    • No mention of GPU support or advanced I/O features
    • Potentially complex setup due to high hardware density

    Best for: Enterprises requiring maximum CPU cores and large memory for virtualization or complex analytics

    Not ideal for: Small or remote offices needing cost-effective, low-power servers

    • Processor:4x E5-4650v4 2.20GHz
    • Cores:56
    • RAM:512GB
    • Storage:16x 2TB drives
    • RAID Controller:12G H730P
    • Form Factor:2U Rack
    Our verdict
    “This server is best for large-scale data centers focused on virtualization and intensive data processing at maximum core count.”
  5. Dell PowerEdge R640 10x SFF Server with Dual Xeon Gold 6130, 256GB RAM, 2x 600GB HDD, 10GbE, Rails (Renewed)

    Dell PowerEdge R640 10x SFF Server with Dual Xeon Gold 6130, 256GB RAM, 2x 600GB HDD, 10GbE, Rails (Renewed)

    Best for High-Performance, Network-Intensive Enterprise Applications

    View Latest Price

    The Dell PowerEdge R640 with dual Xeon Gold 6130 processors and 256GB RAM provides a balanced platform for demanding enterprise applications. Its dual 10GbE ports facilitate high-speed networking essential for data centers handling large data transfers or real-time analytics. The inclusion of rails simplifies rack installation, and the 2x 600GB HDDs support moderate storage needs. Compared to the R830, it emphasizes network performance over sheer processing power, making it suitable for workloads that are network-bound or require swift data movement. Its renewal status offers cost savings, but limited warranty details warrant consideration for critical deployments. This model is perfect for organizations that need a reliable, well-rounded server with fast networking and solid compute performance.

    Pros:
    • Dual Xeon Gold 6130 processors for solid compute performance
    • Fast 10GbE network ports for high-speed data transfer
    • Includes rails for easy rack mounting
    • Large 256GB RAM for multitasking and virtualization
    Cons:
    • Renewed product may have limited warranty
    • HDD storage may be insufficient for very large datasets
    • No dedicated GPU or advanced I/O features

    Best for: Enterprises with network-intensive workloads such as big data analytics or web hosting

    Not ideal for: Small-scale operations or those requiring extensive local storage capacity

    • Processor:2x Xeon Gold 6130 2.1GHz 16-Core
    • Memory:256GB DDR4
    • HDD:2x 600GB 10K SAS
    • Network:2x 10GbE
    • Form Factor:SFF
    • Condition:Renewed
    Our verdict
    “This server offers a strong balance of processing power and network capability for demanding, bandwidth-heavy enterprise environments.”
  6. Dell PowerEdge R640 10-Bay 6-NVMe Server 2.00GHz 40-Core 64GB RAM + Rails JBOD (Renewed)

    Dell PowerEdge R640 10-Bay 6-NVMe Server 2.00GHz 40-Core 64GB RAM + Rails JBOD (Renewed)

    Best Performance for Demanding Enterprise Workloads

    View Latest Price

    This Dell PowerEdge R640 stands out for its robust 40-core processor, making it ideal for intensive computational tasks. Compared with the HP ProLiant DL360 Gen 10, which offers high performance but with a more balanced focus on storage and flexibility, the R640 prioritizes raw processing power. Its renewed condition provides a cost-effective way to access enterprise-grade hardware, though the lack of detailed storage specs and warranty info introduces some uncertainty. For organizations needing a powerful, customizable server for virtualization or analytics, this model offers exceptional processing capacity. However, it requires careful configuration to match specific storage needs, which could be a hurdle for those seeking plug-and-play solutions.

    Pros:
    • High-performance 40-core processor suitable for demanding workloads
    • Includes power cords and essential components, reducing setup hassle
    • Renewed with quality standards for reliable enterprise use
    Cons:
    • Lacks detailed information on storage capacity or type
    • Potential warranty limitations due to renewal status

    Best for: Large enterprises needing high-core-count CPUs for compute-heavy workloads

    Not ideal for: Small businesses with limited IT staff, due to customization complexity

    • Model:PowerEdge R640
    • Bays:10
    • Processor:6 x 40-Core 2.00GHz
    • RAM:64GB
    • Condition:Renewed
    Our verdict
    “This server is best suited for organizations prioritizing raw processing power over out-of-the-box simplicity.”
  7. HP ProLiant DL360 Gen 10 Business Server Bundle with Dual Intel Xeon Silver 4210 CPUs, 64GB RAM, 7.68TB SSDs, RAID, Rail Kit

    HP ProLiant DL360 Gen 10 Business Server Bundle with Dual Intel Xeon Silver 4210 CPUs, 64GB RAM, 7.68TB SSDs, RAID, Rail Kit

    Best for Enterprise Storage and Versatility

    View Latest Price

    The HP ProLiant DL360 Gen 10 excels in balancing CPU performance, storage capacity, and ease of deployment, making it ideal for data centers with diverse workloads. Its dual Intel Xeon Silver 4210 processors deliver solid multi-threaded performance, comparable to the Dell PowerEdge R640 but with a focus on storage adaptability. The included RAID support and large SSD array provide fast, reliable data access, yet the need to purchase additional drives and memory upgrades separately can complicate initial setup. This bundle is perfect for users who want a ready-to-deploy server with enterprise-grade storage, but those seeking a minimal setup might find it more complex than necessary.

    Pros:
    • Dual CPU configuration offers strong multi-threaded performance
    • Large SSD storage with RAID support enhances data reliability
    • Includes rail kit for straightforward installation
    Cons:
    • Requires separate purchase of additional drives and memory upgrades
    • No keyboard included, adding to initial setup steps
    • Complex setup may need technical expertise

    Best for: Data center managers looking for flexible, high-capacity storage solutions

    Not ideal for: Small teams or startups that prefer simple, all-in-one servers without extra configuration

    • Processor:Dual Intel Xeon Silver 4210 10-Core 2.20GHz
    • Memory:64GB DDR4 RAM
    • Storage:7.68TB SSD
    • Form Factor:Server Bundle with Rail Kit
    Our verdict
    “This server makes the most sense for organizations seeking a balance of storage capacity and enterprise flexibility.”
  8. Dell PowerEdge R640 Server with Dual Intel Xeon Gold 6150, 36-Core, 256GB RAM, 800GB SSD, 10.8TB Storage (Renewed)

    Dell PowerEdge R640 Server with Dual Intel Xeon Gold 6150, 36-Core, 256GB RAM, 800GB SSD, 10.8TB Storage (Renewed)

    Best for High-End Enterprise Applications

    View Latest Price

    The Dell PowerEdge R640 with dual Intel Xeon Gold 6150 processors provides remarkable CPU power, especially compared to the PowerEdge R640 10-Bay 6-NVMe with 40 cores but lower RAM. Its 256GB of RAM makes it well-suited for virtualization, large databases, or analytics tasks. The extensive storage options, including an 800GB SSD and 10.8TB overall, position this as a top-tier choice for demanding environments. The main caveat is its renewed status, which could raise questions about warranty coverage and long-term reliability. This model is ideal for users who need top-tier performance and have the technical capacity to manage renewal considerations.

    Pros:
    • Powerful dual Xeon Gold processors with 36 cores each
    • Massive 256GB RAM for intensive multitasking
    • High storage capacity with fast SSDs and large HDDs
    Cons:
    • Renewed condition may impact warranty and reliability
    • Higher power consumption due to hardware specs

    Best for: Data centers requiring high-core-count CPUs with substantial memory and storage

    Not ideal for: Small-scale setups or budget-conscious buyers wary of renewed hardware

    • Processor:Dual Intel Xeon Gold 6150, 36-Core
    • RAM:256GB
    • SSD:800GB
    • Storage:10.8TB
    Our verdict
    “This server is best for high-demand enterprise applications where performance outweighs initial costs and maintenance considerations.”
  9. Dell PowerEdge R730XD Server, 2x E5-2680 V3 2.50GHz, 128GB RAM, 5x 1TB SAS HDD, PERC H730, iDRAC 8, Renewed

    Dell PowerEdge R730XD Server, 2x E5-2680 V3 2.50GHz, 128GB RAM, 5x 1TB SAS HDD, PERC H730, iDRAC 8, Renewed

    Best for Enterprise Storage with Management Features

    View Latest Price

    The Dell PowerEdge R730XD offers a solid balance of CPU power, large storage capacity, and remote management, which makes it suitable for data-intensive applications. Its dual E5-2680 V3 processors with 24 cores combined deliver reliable multi-threaded performance, comparable to the R640 10x SFF but with a focus on direct storage expansion. The inclusion of the PERC H730 RAID controller and iDRAC 8 makes management and data protection straightforward. However, the absence of rails and a relatively short 90-day warranty limit its convenience for some users. It’s a good fit for those who value storage capacity and remote management but are comfortable with additional setup steps.

    Pros:
    • Dual Xeon processors with 24 cores for reliable performance
    • Multiple SAS HDDs for extensive storage needs
    • Enterprise-grade remote management via iDRAC 8
    Cons:
    • No included rails or bezel, adding to setup effort
    • Limited warranty of only 90 days

    Best for: Organizations prioritizing large-scale storage and remote management capabilities

    Not ideal for: Small offices or users seeking plug-and-play simplicity

    • Processor:2x Intel Xeon E5-2680 V3 2.50GHz
    • Cores:24
    • Memory:128GB DDR4 RAM
    • Hard Drives:5x 1TB SAS HDD
    Our verdict
    “Ideal for data centers focusing on storage capacity and management, accepting some setup complexity.”
  10. Dell PowerEdge R640 Server 2.70GHz 36-Core 256GB RAM 2x 480GB SSD 6x 1.2TB HDDs (Renewed)

    Dell PowerEdge R640 Server 2.70GHz 36-Core 256GB RAM 2x 480GB SSD 6x 1.2TB HDDs (Renewed)

    Best for Versatile Enterprise Data Processing

    View Latest Price

    This Dell PowerEdge R640 configuration offers a strong balance of CPU speed and large memory, making it well-suited for diverse enterprise workloads. The 2.70GHz 36-core processor outpaces some rivals in raw speed, while the 256GB RAM supports intensive multitasking. Its storage setup, combining SSDs and HDDs, provides a flexible environment for both fast data access and large-scale storage. Compared with the PowerEdge R640 with 10 cores and less RAM, this model prioritizes speed and capacity, though as a renewed unit, potential warranty concerns should be considered. It appeals to users who need a powerful, adaptable server for varied tasks without the complexity of high-end enterprise gear.

    Pros:
    • Fast 2.70GHz 36-core processor boosts performance
    • Large 256GB RAM supports multitasking and data analysis
    • Combined SSD and HDD storage offers versatility
    Cons:
    • Limited warranty due to renewed condition
    • Potentially higher power consumption with extensive hardware

    Best for: Mid-sized enterprises requiring flexible, high-performance servers for multiple workloads

    Not ideal for: Organizations seeking brand-new hardware or minimal configuration effort

    • Processor:2.70GHz 36-core
    • RAM:256GB
    • SSD:2x 480GB
    • Storage:6x 1.2TB HDDs
    Our verdict
    “This server makes a compelling choice for enterprises needing speed and capacity in a flexible, reliable package.”
  11. Dell PowerEdge R720 Server with 2x E5-2690 2.9GHz, 16-Core, 192GB RAM, H710 (Renewed)

    Dell PowerEdge R720 Server with 2x E5-2690 2.9GHz, 16-Core, 192GB RAM, H710 (Renewed)

    Best for High-Performance Enterprise Computing

    View Latest Price

    This Dell PowerEdge R720 excels in handling demanding enterprise workloads with its dual Xeon E5-2690 processors, offering 16 cores that provide substantial multitasking capability. Compared to the R640 model, which features newer architecture and higher core counts, the R720 is better suited for legacy environments or specific applications optimized for its platform. The large 192GB RAM capacity supports intensive data processing, but the lack of detailed storage specifications makes it less ideal for storage-heavy tasks. Its renewed condition offers reliability at a lower cost, though its heavy, bulky chassis might limit deployment options in space-constrained data centers. Overall, this server is a solid choice for established enterprise setups prioritizing processing power over modern form factors.

    Pros:
    • Robust dual-processor setup for multitasking and high throughput
    • Large 192GB RAM capacity supports intensive workloads
    • Renewed product offers a balance of reliability and cost savings
    Cons:
    • No detailed storage specifications, limiting storage planning
    • Heavy and physically large, challenging for space-constrained environments

    Best for: Organizations needing proven high-performance servers with extensive memory for legacy or specialized enterprise applications.

    Not ideal for: Data centers seeking the latest hardware or compact, space-efficient models, as its size and age may be limiting.

    • Processor:2x E5-2690 2.9GHz
    • Cores:16
    • RAM:192GB
    • Storage Controller:H710
    • Condition:Renewed
    • Physical Size:Heavy and large
    Our verdict
    “This server suits enterprises with legacy systems or high-performance needs where size is less critical than processing power.”
  12. Dell PowerEdge R640 Server 2x Gold 6148 2.4GHz 40-Core 256GB RAM + 8 Caddies (Renewed)

    Dell PowerEdge R640 Server 2x Gold 6148 2.4GHz 40-Core 256GB RAM + 8 Caddies (Renewed)

    Best for Cutting-Edge Data Center Performance

    View Latest Price

    The Dell PowerEdge R640 with dual Gold 6148 processors offers an impressive 40 cores per CPU, making it ideal for high-demand data center tasks like virtualization and large-scale database management. Compared with the R720, which provides excellent performance, this model’s newer architecture and higher core count deliver better efficiency and scalability for modern workloads. Its 256GB RAM supports memory-intensive applications, and the inclusion of 8 drive caddies adds storage flexibility, though detailed storage capacity remains unspecified—potentially limiting planning for specific configurations. The renewed status means it’s a reliable choice, but it may come at a higher price point than older or less equipped models. For users prioritizing raw power and future-proofing, this server makes a compelling option.

    Pros:
    • High-core dual processor setup for parallel processing
    • Ample 256GB RAM supports intensive workloads
    • Includes 8 drive caddies for flexible storage expansion
    Cons:
    • Renewed product may have limited warranty coverage
    • Lack of explicit storage capacity details complicates planning
    • Potentially higher cost compared to older models

    Best for: Data center operators and IT teams needing a high-core, high-memory server for demanding processing and virtualization tasks.

    Not ideal for: Buyers with tight budget constraints or those requiring detailed storage specifications upfront, as the renewal might entail limited warranty or higher cost.

    • Processor:2x Gold 6148 2.4GHz
    • Cores:40 per CPU
    • RAM:256GB
    • Drive Caddies:8
    • Condition:Renewed
    • Power Cords:Included
    Our verdict
    “This server is best suited for modern data centers seeking scalable, high-core performance with substantial memory capacity.”
best data center servers
What makes a great data center server
1
Performance and Processing Power
The core count, clock speed, and type of processor directly impact a server’s ability to handle demanding applications.
2
Memory and Storage Capacity
Ample RAM ensures the server can manage multiple applications simultaneously without slowing down.
3
Scalability and Expandability
Look for servers with multiple drive bays, PCIe slots, and network ports to accommodate growth.
4
Reliability and Maintenance
Features like redundant power supplies, hot-swappable drives, and remote management tools reduce downtime and simplify maintenance
How to choose your data center server
1
How we picked
To determine the best data center servers, I focused on a combination of performance metrics, build quality, expandabili
2
Performance and Processing Power
The core count, clock speed, and type of processor directly impact a server’s ability to handle demanding applications.
3
Memory and Storage Capacity
Ample RAM ensures the server can manage multiple applications simultaneously without slowing down.
4
Scalability and Expandability
Look for servers with multiple drive bays, PCIe slots, and network ports to accommodate growth.
5
Reliability and Maintenance
Features like redundant power supplies, hot-swappable drives, and remote management tools reduce downtime and simplify m
Vetted data center servers ·
The best data center servers, compared
★ Winner Dell PowerEdge R640 SAS/NVMe S
Best Overall for Versatile Enterprise Workloads
12compared
512GBtop ram

How We Picked

To determine the best data center servers, I focused on a combination of performance metrics, build quality, expandability, and value for money. I prioritized models with high-core processors, ample RAM, and flexible storage options, as these are critical for handling intensive workloads. Reliability and ease of maintenance also played a key role, especially for servers intended for continuous operation in critical environments. The ranking reflects a balance between raw power, scalability, and cost-effectiveness, with a clear distinction between premium and budget-friendly options. I avoided models with limited upgrade paths or questionable long-term support, ensuring each choice offers real value for different buyer needs.
Everyday → specialist
Everyday & valuePremium & specialist
Which data center server fits you?
The everyday user
All-round, reliable
The enthusiast
Premium & high-performance
The gift-giver
Looks & craftsmanship

Factors to Consider When Choosing Best Data Center Servers

Choosing the best data center server requires understanding your current and future workload demands, as well as balancing upfront costs with long-term operational efficiency. The right server should not only meet your performance needs but also offer room for growth and ease of management. Considering these factors carefully can save you from costly upgrades or replacements down the line.

Performance and Processing Power

The core count, clock speed, and type of processor directly impact a server’s ability to handle demanding applications. For heavy computational tasks or virtualization, prioritize multi-core, high-frequency CPUs. Over-investing in raw power can be unnecessary for lightweight workloads, so match server specs to your actual needs to avoid overspending.

Memory and Storage Capacity

Ample RAM ensures the server can manage multiple applications simultaneously without slowing down. Storage capacity and speed, especially with SSDs or NVMe drives, determine data throughput and responsiveness. Plan for future growth—opt for servers with expandable memory and storage options, so they remain useful as demands increase.

Scalability and Expandability

Look for servers with multiple drive bays, PCIe slots, and network ports to accommodate growth. Modular designs allow for easier upgrades, saving money and minimizing downtime. Servers that are difficult to expand may become obsolete faster, forcing costly replacements sooner than expected.

Reliability and Maintenance

Features like redundant power supplies, hot-swappable drives, and remote management tools reduce downtime and simplify maintenance. For critical environments, these features are worth extra investment. Conversely, budget models may lack these capabilities, leading to higher operational risks.

Cost and Total Cost of Ownership

Initial purchase price is just one part of the equation. Consider ongoing costs like energy consumption, maintenance, and support. Choosing a slightly more expensive but energy-efficient model can lower total costs over its lifespan and improve overall system uptime.

Frequently Asked Questions

How do I determine the right CPU for my data center server?

The ideal CPU depends on your workload. For high-performance computing, virtualization, or database hosting, prioritize multi-core processors with high clock speeds. If your tasks are less demanding, a lower-core CPU can save costs while still delivering acceptable performance. Always consider future growth, as upgrading CPUs later can be complex and costly.

Should I buy a refurbished or new server?

Refurbished servers often offer significant savings and can be reliable if sourced from reputable vendors. They are suitable for environments with limited budgets or non-critical workloads. However, new servers provide the latest hardware, warranties, and longer support life, making them better for mission-critical applications where uptime is essential.

What storage configuration is best for a data center server?

Solid-state drives (SSDs) or NVMe options deliver faster data access, ideal for performance-intensive tasks. For bulk storage or backups, traditional HDDs provide better cost per gigabyte. The best approach often combines SSDs for active data and HDDs for archiving, balancing speed and capacity.

How important is scalability when choosing a server?

Scalability is critical if you anticipate growth. Servers with modular components, multiple drive bays, and extra network ports allow you to expand storage, memory, and connectivity over time. Overlooking this can lead to premature hardware upgrades, increasing costs and downtime.

What’s the most cost-effective way to upgrade an existing data center?

Upgrading with compatible components like additional RAM, SSDs, or network cards can extend your server’s lifespan. For larger improvements, replacing older servers with newer, more efficient models may offer better long-term savings. Always weigh the upgrade costs against the benefits of newer hardware to make the most cost-effective decision.

Conclusion

For those seeking the best overall performance and scalability, the Dell PowerEdge R740xd stands out. Budget-conscious buyers will appreciate the refurbished Dell R640 options that deliver solid power at a lower cost. Premium enterprise environments should consider the HP ProLiant DL360 Gen 10 for its reliability and balanced features. Beginners or smaller setups benefit from compact, easy-to-manage options like the Dell R640 or similar models, which simplify deployment without sacrificing performance. Ultimately, your choice depends on workload demands, growth plans, and budget constraints.

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