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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 Gold 6134 3.2GHz 768GB DDR4 8x 2.4TB SAS H730P

SKU CH-CWNC-GASKY

Dual 8-core Xeon Gold 6134 processors, 768 GB DDR4 ECC memory, eight 2.4 TB SAS drives and a PERC H730P RAID controller in a 1U rack chassis

  • TypeRack
  • Rack Height1U
  • Redundant Hot-swap PowerYes
  • CPU TypeIntel Xeon
  • CPU Speed3.20 GHz
  • CPU SocketLGA 3647
  • Dual Xeon Gold 6134 CPUs deliver 3.2 GHz base speed with 3.7 GHz turbo
  • 768 GB DDR4 2666 MHz ECC memory across 24 slots for large datasets
  • PERC H730P 2 GB controller supports RAID 0/1/5/6/10/50/60 and pass-through
  • Eight 2.4 TB 10K SAS drives provide high-capacity 12 Gb/s storage
  • Quad-port X520/I350 card adds 2x 1 GbE and 2x 10 Gb SFP+ connectivity

Dense 1U dual-socket server

The PowerEdge R640 packs two Xeon Gold 6134 processors and 768GB of DDR4 ECC memory into a single rack unit. It targets workloads that need high core density and large memory capacity in a compact footprint.

Redundant 750W Platinum supplies

Dual hot-swap power supplies share the load and keep the system running if one unit fails. The 1U chassis uses forced-air cooling tuned for sustained operation at full processor turbo frequency.

Eight 2.4TB SAS drives on H730P

The PERC H730P controller manages the eight 2.5-inch 10K drives with 2GB cache and battery-backed write protection. Front-access bays, quad-port networking and iDRAC9 Enterprise simplify daily administration.

Highlights

  • Dual Xeon Gold 6134 CPUs deliver 3.2 GHz base speed with 3.7 GHz turbo
  • 768 GB DDR4 2666 MHz ECC memory across 24 slots for large datasets
  • PERC H730P 2 GB controller supports RAID 0/1/5/6/10/50/60 and pass-through
  • Eight 2.4 TB 10K SAS drives provide high-capacity 12 Gb/s storage
  • Quad-port X520/I350 card adds 2x 1 GbE and 2x 10 Gb SFP+ connectivity

Specifications

BrandDELL
SeriesPowerEdge R640
ModelR640
TypeRack
Rack Height1U
Redundant Hot-swap PowerYes
CPU TypeIntel Xeon
CPU Speed3.20 GHz
CPU SocketLGA 3647
Number of CPU Cores8-Core Processor
# of Processors Installed2
MAX Processors2
ChipsetIntel C620
Installed Memory Size768GB
Memory TypeDDR4
Max Memory Capacity3TB
Number of Memory Slots24
Storage ControllerDell Perc H730P 2GB Controller
HDD InterfaceSAS
SSD (Installed)No
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 install the 24 DDR4 memory modules into the R640's 24 slots, and which step do people get wrong?

Populate all 24 slots with the 32 GB registered ECC modules at 2666 MHz, then verify the BIOS sees 768 GB; the common mistake is mixing registered and unbuffered DIMMs, which prevents boot.

What maintenance or replacement will the storage subsystem need later?

The PERC H730P controller's 2 GB cache battery degrades over time and must be replaced to keep write-back caching active; the eight 2.4 TB 10 K SAS drives also wear out and should be swapped proactively.

What limit appears first when the dual Xeon Gold 6134 CPUs run sustained workloads?

The 1U chassis and dual 750 W platinum power supplies constrain cooling and power headroom, so thermal throttling or power capping typically activates before the processors hit their 3.7 GHz turbo ceiling.

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