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Silver 1U rack server with four 3.5-inch drive bays and front bezel

DELL

DELL PowerEdge R640 4LFF 2x Xeon Gold 5218R 384GB DDR4 No Drive Rack Server

SKU CH-W47A-YFGS7

A 1U rack server with two Xeon Gold 5218R CPUs, 384 GB DDR4 ECC memory, a PERC H740P RAID controller and four 3.5-inch drive bays

  • ProcessorIntel Xeon
  • Installed RAM384 GB
  • Type of memoryDDR4
  • Processor speed2.1 GHz
  • Installed CPUs2
  • Max supported CPUs2
  • Dual Xeon Gold 5218R CPUs deliver 40 cores at 2.1 GHz
  • 384GB DDR4 ECC memory supports large virtualisation workloads
  • PERC H740P RAID controller manages up to four 3.5" SATA drives
  • iDRAC9 Enterprise licence enables full remote server management
  • Redundant 750W power supplies keep the 1U chassis running

Dell PowerEdge R640 4LFF dual Xeon server

The Dell PowerEdge R640 4LFF chassis holds two Intel Xeon Gold 5218R processors running at 2.1 GHz with 20 cores each and 27.5 MB cache. It ships with 384 GB of DDR4 ECC registered memory and a PERC H740P RAID controller. The unit is designed for rack-mount deployments that need high core density and large memory capacity in a 1U form factor.

Tool-less rail installation with optional kit

The server slides into a standard rack using an optional rail kit that can be requested at purchase. Drive bays accept up to four 3.5-inch SATA drives that insert from the front without tools. The PERC H740P controller must be configured in the BIOS before the operating system sees any volumes, and the iDRAC9 Enterprise licence should be activated early for remote firmware updates.

Dual 750 W supplies sustain full load

Two 750 W power supplies share the load and keep the system running if one unit fails. Under sustained compute workloads the dual 20-core CPUs and 384 GB of DDR4 draw continuous power that the redundant supplies handle without throttling. Integrated graphics and the 10 GbE 562T adapter add minimal extra heat, so fan speeds remain stable during long runs.

How it compares

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

Price $2,623.99
Pricier than about 61% 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 storage8,00
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

How do I verify the R640 boots and shows both Xeon Gold 5218R CPUs and 384GB DDR4 after installation?

Power on the server, open the iDRAC9 Enterprise interface, and confirm the System Overview lists two 2.1 GHz processors and 384GB memory with no errors.

What components are included and which drive parts must be purchased separately for the 4LFF chassis?

The unit ships with two Xeon Gold 5218R processors, 384GB DDR4 ECC Registered memory, PERC H740P RAID controller, 10GbE 562T dual-port adapter, two 750W power supplies, and rails on request; no 3.5" drives are installed.

Which memory capacity should I choose if I need room to grow beyond the installed 384GB DDR4?

The R640 supports up to 7.68TB of DDR4, so the current 384GB leaves ample headroom for future expansion by adding compatible registered ECC modules.

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