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Dell PowerEdge R640 1U rack server, silver front with four 3.5-inch drive bays

DELL

DELL PowerEdge R640 4LFF 2x Xeon Gold 5218R 256GB RAM rack server

SKU CH-VARE-6DH0C

A 1U rack server with two 2.1 GHz Xeon Gold 5218R processors, 256GB DDR4 memory, a PERC H740P RAID controller and four 3.5-inch drive bays

  • TypeRack
  • CPU TypeIntel Xeon
  • CPU Speed2.1 GHz
  • # of Processors Installed2
  • MAX Processors2
  • Installed Memory Size256GB
  • Dual Xeon Gold 5218R processors deliver 20 cores each at 2.1 GHz
  • 256 GB DDR4 ECC registered memory scales to 7.68 TB maximum capacity
  • Four 3.5-inch drive bays with PERC H740P RAID controller support flexible storage
  • Dual 10 GbE 562T network ports provide high-throughput connectivity
  • iDRAC9 Enterprise licence enables comprehensive remote management

Dual 20-core Xeon Gold 5218R server

The Dell PowerEdge R640 delivers 40 cores at 2.1 GHz and 256 GB of DDR4 ECC memory in a 1U rack chassis. It targets organisations that need dense compute for virtualisation, databases or high-performance workloads without occupying multiple rack units.

PERC H740P RAID and 10 GbE adapter

The installed PERC H740P controller manages up to four 3.5-inch SATA drives with hardware RAID, while the dual-port 562T adapter provides 10 Gb Ethernet connectivity. Both components are ready for immediate configuration, reducing deployment time for storage and network-heavy applications.

Four-bay 3.5-inch limit and fixed CPU count

Only four large-form-factor drive bays are available, capping raw capacity unless larger drives are sourced. The board accepts a maximum of two processors, so the current dual-socket configuration cannot be expanded further.

Punti di forza

  • Dual Xeon Gold 5218R processors deliver 20 cores each at 2.1 GHz
  • 256 GB DDR4 ECC registered memory scales to 7.68 TB maximum capacity
  • Four 3.5-inch drive bays with PERC H740P RAID controller support flexible storage
  • Dual 10 GbE 562T network ports provide high-throughput connectivity
  • iDRAC9 Enterprise licence enables comprehensive remote management

Caratteristiche tecniche

BrandDELL
SeriesPowerEdge
ModelRack Mount
TypeRack
CPU TypeIntel Xeon
CPU Speed2.1 GHz
# of Processors Installed2
MAX Processors2
Installed Memory Size256GB
Memory TypeDDR4
Max Memory Capacity7.68TB
Hard Drive (Installed)2,00
Storage ControllerDell PERC H740P Controller
HDD InterfaceSATA
GPU TypeIntegrated Graphics
Remote ManagementiDRAC9 - Enterprise License
Dimensions36 x 24 x 10 in
Weight40

Domande su questo articolo

Will the 256 GB DDR4 memory need to be expanded toward the 7.68 TB maximum?

The system ships with 256 GB DDR4 and supports up to 7.68 TB using the remaining DIMM slots.

What limits sustained compute on the two Xeon Gold 5218R processors?

Each 5218R runs at 2.1 GHz with 20 cores and 27.5 MB cache; thermal design power is the first ceiling under continuous load.

How loud and hot does the R640 get with dual 750 W supplies running 24/7?

Dual 750 W units share the load; fans ramp to keep CPU temperatures in spec, producing typical rack-level noise.

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