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Silver rack-mount server with four 3.5-inch drive bays, front bezel removed

DELL

DELL PowerEdge R640 4LFF 2x Xeon Silver 4208 384GB DDR4 No Drive Rack Server

SKU CH-EZ05-RH2VK

A 1U rack server with dual Xeon Silver 4208 processors, 384GB DDR4 memory and a PERC H740P RAID controller supporting four 3.5" SATA drive bays

  • ProcessorIntel Xeon
  • Installed RAM384 GB
  • Type of memoryDDR4
  • Processor speed2.1 GHz
  • Installed CPUs2
  • Max supported CPUs2
  • Dual Xeon Silver 4208 processors provide 2.1GHz performance for multi-threaded workloads
  • 384GB DDR4 ECC registered memory supports large datasets and virtualization
  • PERC H740P RAID controller enables flexible storage arrays across four 3.5-inch bays
  • iDRAC9 Enterprise license gives full remote management and monitoring
  • Dual 750W power supplies deliver redundant power for continuous operation

4LFF Rack Server with Dual Xeon Silver

This Dell PowerEdge R640 4LFF chassis holds four 3.5-inch drive bays and ships with two Xeon Silver 4208 processors at 2.1GHz. It includes 384GB of DDR4 ECC registered memory and a PERC H740P RAID controller. No drives are installed so you can populate the bays to suit the workload.

Suited for memory-heavy workloads.

The 384GB DDR4 capacity and dual 8-core CPUs make this server a fit for virtualisation, database caching or in-memory analytics. Buyers who need GPU acceleration should look elsewhere because this chassis provides only integrated graphics. The 10GbE 2-port 562T adapter supports high-throughput networking.

7.68TB maximum DDR4 capacity

The platform supports up to 7.68TB of DDR4 across its memory slots, so the installed 384GB leaves extensive room for future expansion. Two 750W power supplies and iDRAC9 Enterprise remote management are included for resilience and out-of-band control.

How it compares

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

Price $2,505.99
Pricier than about 60% of the 17,641 comparable items (median $1,910.99).
Installed RAM 384 GB
Higher than about 75% of the 15,103 comparable items (median 128 GB).
Processor speed 2.1 GHz
Lower than about 70% of the 9,950 comparable items (median 2.3 GHz).

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Specifications

Product
Brand nameDELL
Product linePowerEdge
Model nameRack Mount
Product typeRack
Processor
ProcessorIntel Xeon
Processor speed2.1 GHz
Installed CPUs2
Max supported CPUs2
Memory
Installed RAM384 GB
Type of memoryDDR4
Maximum RAM capacity7.68 TB
Storage
Installed storage4,00
Disk controllerDell PERC H740P Controller
Drive interfaceSATA
Graphics
Graphics chipIntegrated Graphics
Size & build
Product dimensions36 × 24 × 10 in
More details
Management controlleriDRAC9 - Enterprise License

Questions about this item

What rack width and depth does the 36-inch deep R640 need to mount in?

The chassis is 36 inches deep and 24 inches wide; it fits a standard four-post rack with matching depth.

Will the PERC H740P RAID controller recognise the SATA drives I already own?

Yes, the H740P supports SATA HDDs and SSDs, so existing SATA drives can be configured in RAID volumes.

How do I confirm the iDRAC9 Enterprise licence is active after first boot?

Open the iDRAC web interface — the dashboard shows "Enterprise" under licence status and all remote-management features are unlocked.

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