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Silver rackmount server with eight 2.5-inch drive bays and front panel LEDs

DELL

DELL PowerEdge R640 8B 2× Xeon Silver 4114 20-Core 64GB DDR4 H740P 8× 1.2TB 10k SAS

SKU CH-MM90-PENV8

Rack server with dual 10-core Xeon Silver 4114 CPUs, 64GB DDR4, and eight 1.2TB 10k SAS drives on an H740P controller

  • ProcessorSilver 4114
  • Installed RAM64 GB
  • Processor core count10
  • Operating systemNo
  • Type of memoryDDR4
  • Processor speed2.2 GHz
  • Dual Xeon Silver 4114 CPUs deliver 20 cores for multi-threaded workloads
  • 64 GB DDR4 ECC memory supports virtualisation and database tasks
  • Eight 1.2 TB 10k SAS drives provide fast enterprise storage
  • PERC H740P RAID controller simplifies array management and data protection
  • 1U rackmount form factor fits dense data-centre deployments

Server purpose

The Dell PowerEdge R640 is a 1U rackmount server built for business workloads such as virtualization, databases, file storage and application hosting. Dual Intel Xeon Silver 4114 processors deliver 20 cores at 2.20GHz with 64GB DDR4 ECC memory. Eight 1.2TB 10k SAS drives and a PERC H740P controller provide high-speed storage capacity.

Compatibility checks

Verify that your rack accepts 1U form factor and provides sufficient depth for the 60 weight unit. Confirm the power infrastructure supplies appropriate voltage for dual-processor operation. Ensure network switches support 10GbE X540 and 1GbE I350 connectivity. Check that your operating system and hypervisor are certified for this hardware configuration.

Thermals and power

Redundant cooling fans maintain stable temperatures across both CPUs and the eight drive bays under typical virtualization loads. Acoustic output is managed for data-centre environments rather than office spaces. Power draw scales with workload across the dual 10-core processors, memory and storage subsystem. The H740P controller adds minimal overhead during normal RAID operations.

How it compares

Measured against everything we stock in Rack & Tower Servers, at today’s prices. Recalculated every night.

Price $934.99
Cheaper than about 76% of the 17,641 comparable items (median $1,910.99).
Installed RAM 64 GB
Lower than about 70% of the 15,103 comparable items (median 128 GB).
Processor core count 10
Lower than about 85% of the 7,955 comparable items (median 16).

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Specifications

Product
Brand nameDELL
Product typeRackmount
Processor
ProcessorSilver 4114
Processor core count10
Processor speed2.2 GHz
Installed CPUs2
Max supported CPUs2
Memory
Installed RAM64 GB
Type of memoryDDR4
Maximum RAM capacity3 TB
Storage
Drive bays8B - 8x 2.5 in
Graphics
Graphics chipIntegrated
Software
Operating systemNo
More details
Indicator lightsPower, Ethernet, USB

Questions about this item

What comes in the box with the PowerEdge R640 and do I need to buy any drives separately?

The server includes two Xeon Silver 4114 processors, 64GB DDR4 ECC memory, the PERC H740P RAID controller and eight 1.2TB 10k SAS drives already installed in the 2.5-inch bays; no additional drives are required to start.

Which drive configuration should I choose for virtualization — the eight 1.2TB SAS drives or the two 960GB SSDs?

The eight 1.2TB 10k SAS drives give more total capacity and sustained throughput for multiple VMs, while the two 960GB SSDs offer lower latency for boot volumes or high-IOPS databases; pick based on whether capacity or latency is the priority.

What does the 20-core total mean for real-world VM density on this R640?

With 20 cores at 2.20GHz and 64GB DDR4 you can run a moderate number of virtual machines — typically several dozen light workloads or fewer heavier ones — limited more by the 64GB memory ceiling than by CPU threads.

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