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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 256GB DDR4 8x 2.4TB SAS H730P

SKU CH-3EP4-ABBVM

A 1U rack server with two 12-core Xeon Silver 4116 processors at 2.1 GHz, 256 GB DDR4 memory, eight 2.4 TB SAS drives on a PERC H730P controller, quad-port 1 GbE and 10 GbE networking.

  • TypeRack
  • Rack Height1U
  • Redundant Hot-swap PowerYes
  • CPU TypeIntel Xeon
  • CPU Speed2.10 GHz
  • CPU SocketLGA 3647
  • Two Xeon Silver 4116 CPUs deliver 24 cores at 2.1 GHz base with 3.0 GHz turbo
  • 256 GB DDR4 2400 MHz ECC memory across 8 modules leaves 16 slots open for expansion to 3 TB
  • PERC H730P 2 GB controller supports RAID 0, 1, 5, 6, 10, 50, 60 with battery-backed cache
  • Eight 2.4 TB 10K SAS drives provide high-capacity 12 Gb/s storage in 2.5 inch bays
  • X520/I350 quad-port card adds two 1 GbE and two 10 Gb SFP+ links with iDRAC9 Enterprise remote management

PowerEdge R640 dual-socket 1U server

The Dell PowerEdge R640 is a 1U rack server built for dense scale-out data centre workloads. Two Intel Xeon Silver 4116 processors deliver 24 cores at 2.1 GHz with 3.0 GHz turbo. 256 GB of DDR4-2400 registered ECC memory occupies eight of 24 DIMM slots. Eight 2.4 TB 10K SAS drives sit behind a PERC H730P controller with 2 GB cache and battery-backed write-back.

Compatibility checklist before ordering

Verify the rack provides 1U spacing and supports the included Ready Rails kit. Confirm the facility can supply redundant power to the two 750 W platinum-efficiency hot-swap PSUs. Ensure network uplinks match the X520/I350 daughter card with two 1 GbE and two 10 Gb SFP+ ports. Plan operating-system licences for 24 logical cores and storage layout across eight 2.5-inch bays.

Bundled accessories and their impact

Ready Rails simplify installation in standard four-post racks without tools. The front bezel adds physical security and consistent airflow alignment. iDRAC 9 Enterprise enables full out-of-band remote management, virtual console and automated lifecycle updates. The H730P battery protects cached writes during power loss, preserving array integrity across RAID 0, 1, 5, 6, 10, 50 and 60 configurations.

Highlights

  • Two Xeon Silver 4116 CPUs deliver 24 cores at 2.1 GHz base with 3.0 GHz turbo
  • 256 GB DDR4 2400 MHz ECC memory across 8 modules leaves 16 slots open for expansion to 3 TB
  • PERC H730P 2 GB controller supports RAID 0, 1, 5, 6, 10, 50, 60 with battery-backed cache
  • Eight 2.4 TB 10K SAS drives provide high-capacity 12 Gb/s storage in 2.5 inch bays
  • X520/I350 quad-port card adds two 1 GbE and two 10 Gb SFP+ links with iDRAC9 Enterprise 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 Size256GB
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

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

Questions about this item

What comes in the box and what do I need to buy separately?

The server ships with two Xeon Silver 4116 processors, 256 GB of DDR4 ECC memory, eight 2.4 TB SAS drives, a PERC H730P controller with battery, a quad-port X520/I350 network card, iDRAC9 Enterprise, dual 750 W power supplies, rails and a bezel; no additional components are required for basic operation.

Which memory configuration should I choose for this R640?

The system includes eight 32 GB DDR4-2400 registered ECC modules installed across the 24 DIMM slots, providing 256 GB total; the platform supports up to 3 TB maximum capacity.

What does the 2.1 GHz base clock mean for real-world performance?

Each Xeon Silver 4116 runs at 2.1 GHz base with a 3.0 GHz turbo frequency across 12 cores per processor, giving 24 total cores for multi-threaded workloads in a 1U form factor.

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