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Silver 1U rack server with front bezel, eight 2.5-inch drive bays and redundant power supplies

DELL

DELL PowerEdge R640 1U rack server 2x Xeon Platinum 8160 2.1GHz 24-core 256GB DDR4 2x 400GB SSD H730P

SKU CH-D5SS-R61W1

A 1U rack server with dual 24-core Xeon Platinum 8160 processors at 2.1 GHz, 256 GB DDR4 ECC memory, PERC H730P RAID controller, and two 400 GB SATA SSDs for dense scale-out workloads

  • TypeRack
  • Rack Height1U
  • Redundant Hot-swap PowerYes
  • CPU TypeIntel Xeon
  • CPU Speed2.10 GHz
  • CPU SocketLGA 3647
  • Dual 24-core Xeon Platinum 8160 CPUs run at 2.1 GHz with 3.7 GHz Turbo for compute density
  • 256 GB DDR4 2666 MHz registered ECC memory supports large datasets across 24 slots
  • PERC H730P 2 GB controller enables RAID 0, 1, 5, 6, 10, 50, 60 with battery-backed cache
  • Two 400 GB SATA SSDs provide fast boot and caching in hot-swap 2.5 inch bays
  • iDRAC 9 Enterprise plus redundant 750 W platinum PSUs ensure remote uptime and power resilience

Dense 1U compute platform

The Dell PowerEdge R640 is a dual-socket rack server built for scale-out workloads in space-constrained data centres. Two Intel Xeon Platinum 8160 processors provide 24 cores each at a base frequency of 2.1 GHz. The system ships with 256 GB of DDR4 registered ECC memory across 24 DIMM slots.

Suited for virtualisation clusters.

This configuration targets buyers who need high core density and fast local storage in a single rack unit. The PERC H730P controller supports RAID 0, 1, 5, 6, 10, 50 and 60 for database or virtualisation storage. Organisations requiring GPU acceleration or more than eight 2.5-inch drive bays should evaluate alternative platforms.

24 cores per processor at 2.1 GHz base

The installed Xeon Platinum 8160 CPUs define the compute ceiling: each socket delivers 24 cores with a maximum turbo frequency of 3.7 GHz. Memory capacity can grow to 3 TB using the remaining DDR4 slots. Network connectivity includes two 1 GbE and two 10 Gb SFP+ ports via the X520/I350 daughter card.

Highlights

  • Dual 24-core Xeon Platinum 8160 CPUs run at 2.1 GHz with 3.7 GHz Turbo for compute density
  • 256 GB DDR4 2666 MHz registered ECC memory supports large datasets across 24 slots
  • PERC H730P 2 GB controller enables RAID 0, 1, 5, 6, 10, 50, 60 with battery-backed cache
  • Two 400 GB SATA SSDs provide fast boot and caching in hot-swap 2.5 inch bays
  • iDRAC 9 Enterprise plus redundant 750 W platinum PSUs ensure remote uptime and power resilience

Specifications

BrandDELL
SeriesPowerEdge R640
ModelR640
TypeRack
Rack Height1U
Redundant Hot-swap PowerYes
CPU TypeIntel Xeon
CPU Speed2.10 GHz
CPU SocketLGA 3647
Number of CPU Cores24-Core Processor
# of Processors Installed2
MAX Processors2
ChipsetIntel C620
Installed Memory Size256GB
Memory TypeDDR4
Max Memory Capacity3TB
Number of Memory Slots24
Storage ControllerDell Perc H730P 2GB Controller
HDD InterfaceSATA
SSD (Installed)2 x 400GB SATA SSD
Raid LevelRAID 0/1/5/6/10/50/60
GPU TypeMatrox G200
Video Memory8MB
Ethernet ControllerDell Intel X520/I350 Quad Port 2x 1GbE 2x 10Gb SFP+ Network Daughter Card
LAN Ports4 x Ports
Expansion SlotsUp to 3 PCIe Gen 3 slots all x16
Management PortRJ 45
Operating SystemNo
Features8 x 2.5" SATA/SAS Hot-Plug Drive Bays

Other versions of this model

5 more in the same range

Same family, different memory, cooler or clock — compare before you commit.

Questions about this item

How do I verify the PERC H730P controller is managing the 2x 400GB SSDs correctly after setup?

Open the PERC H730P BIOS utility at boot (Ctrl+R) or use iDRAC9 Enterprise to confirm both 400GB SSDs appear, show healthy status, and the desired RAID level (0/1/5/6/10/50/60) is active with the 2GB cache battery operational.

What components are included and what must I source separately for this R640?

Included: 2x Xeon Platinum 8160 2.1GHz 24-core CPUs, 256GB DDR4 (8x 32GB 2666MHz ECC), PERC H730P 2GB controller, 2x 400GB SATA SSDs, Intel X520/I350 quad-port (2x 1GbE, 2x 10Gb SFP+), iDRAC9 Enterprise, 2x 750W PSUs, rails, bezel. Add: extra 2.5" drives, SFP+ modules, OS licences.

Which memory configuration should I choose if I need more capacity than the installed 256GB?

The system has 24 DDR4 slots with 8x 32GB modules installed (256GB). To expand, add registered ECC DDR4 2666MHz DIMMs in matched sets per CPU until the 3TB maximum; keep population rules balanced across the 12 slots per processor.

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