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Silver 1U rack server, eight 2.5-inch drive bays, front bezel, rails

DELL

DELL PowerEdge R640 1U rack server 2x Xeon Silver 4116 2.1GHz 12-core 768GB DDR4 2x 800GB SSD H730P

SKU CH-WZV5-6CKRR

1U rack server with dual 12-core Xeon Silver 4116 processors, 768GB DDR4 memory, PERC H730P RAID controller, and two 800GB SATA SSDs

  • TypeRack
  • Rack Height1U
  • Redundant Hot-swap PowerYes
  • CPU TypeIntel Xeon
  • CPU Speed2.10 GHz
  • CPU SocketLGA 3647
  • Dual 12-core Xeon Silver 4116 CPUs deliver 24 threads at 2.1 GHz base
  • 768 GB DDR4 ECC memory across 24 slots supports large workloads
  • PERC H730P controller enables RAID 0/1/5/6/10/50/60 with battery backup
  • Two 800 GB SATA SSDs provide fast read access for boot and data
  • iDRAC9 Enterprise plus quad-port 1 GbE and 10 GbE SFP+ for remote management

Dense dual-socket 1U server

The PowerEdge R640 is a 1U rackmount server built around two Intel Xeon Silver 4116 processors, each with 12 cores running at 2.1 GHz. It ships with 768 GB of DDR4 memory across 24 slots and a PERC H730P controller driving two 800 GB SATA SSDs. This configuration targets dense scale-out workloads that need high core counts and fast storage in minimal rack space.

Redundant platinum power supplies

Dual 750-watt platinum-efficiency power supplies provide hot-swap redundancy so a single unit failure does not interrupt operation. The 1U chassis uses front-to-back airflow across the CPUs, memory and drive bays to keep thermals stable under sustained load. Fan speeds adjust automatically to balance cooling performance against acoustic output in the data centre.

Eight 2.5-inch bays and quad-port networking

The front panel holds eight 2.5-inch drive bays, leaving six empty slots for additional SATA or SAS devices behind the H730P controller. A daughter card adds two 1 GbE ports and two 10 Gb SFP+ ports for flexible network connectivity. iDRAC 9 Enterprise gives full remote management without consuming a PCIe slot, and ready rails with a front bezel simplify rack installation.

Highlights

  • Dual 12-core Xeon Silver 4116 CPUs deliver 24 threads at 2.1 GHz base
  • 768 GB DDR4 ECC memory across 24 slots supports large workloads
  • PERC H730P controller enables RAID 0/1/5/6/10/50/60 with battery backup
  • Two 800 GB SATA SSDs provide fast read access for boot and data
  • iDRAC9 Enterprise plus quad-port 1 GbE and 10 GbE SFP+ for remote management

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 Cores12-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 InterfaceSATA
SSD (Installed)2 x 800GB 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 install the 24 DDR4 memory modules into the 24 slots, and which step is commonly missed?

Populate all 24 slots with the 32 GB registered ECC DDR4 modules at 2400 MHz; the step often missed is enabling the memory training sequence in the BIOS so the system recognises the full 768 GB capacity.

What maintenance will the PERC H730P storage controller need over time?

The controller uses a battery-backed 2 GB cache; plan to replace the battery module when the iDRAC 9 Enterprise alerts show degraded cache health to keep RAID 0, 1, 5, 6, 10, 50 or 60 performance intact.

Which limit appears first when both Xeon Silver 4116 CPUs run at 3.0 GHz turbo under sustained load?

The dual 750 W platinum power supplies set the thermal and current ceiling; sustained all-core turbo on 24 cores total will hit the power envelope before the CPUs reach their thermal throttle point.

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