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Dell PowerEdge R940 3U rack server front view with bezel and drive bays

DELL

DELL PowerEdge R940 3U rack server 4x Xeon Gold 5118 2.3GHz 12-core 128GB DDR4 2x 400GB SSD H730P

SKU CH-B3C5-E8663

3U rack server with four 12-core Xeon Gold 5118 processors at 2.3 GHz, 128 GB DDR4 ECC memory, PERC H730P RAID controller, and two 400 GB SATA SSDs

  • TypeRack
  • Rack Height3U
  • Redundant Hot-swap PowerYes
  • CPU TypeIntel Xeon
  • CPU Speed2.30 GHz
  • CPU SocketLGA 3647

Installed Memory Size 128GB

HDD None

  • 2 x 300GB 10K SAS
  • 8 x 1.2TB 10K SAS
  • 8 x 2.4TB 10K SAS
  • 8 x 300GB 10K SAS
  • 8 x 600GB 10K SAS
  • None

CPU Model Gold 5118

Struck-through versions exist but are not stocked here.

  • 48 DIMM slots support up to 6 TB DDR4 for memory-intensive workloads
  • Four Xeon Gold 5118 CPUs deliver 48 cores at 2.3 GHz base clock
  • PERC H730P controller enables RAID 0/1/5/6/10/50/60 with 2 GB cache
  • Dual 1600 W platinum power supplies provide hot-swap redundancy
  • iDRAC 9 Enterprise gives full remote management with dedicated network port

Four-socket Xeon Gold 5118 server

The Dell PowerEdge R940 is a 3U rack server equipped with four Intel Xeon Gold 5118 processors. Each CPU runs at 2.3 GHz with 12 cores and reaches 3.2 GHz turbo. The system ships with 128 GB of DDR4 2400 MHz registered ECC memory across 48 slots.

Upgrade from dual-socket or lower-core platforms

Moving to four sockets adds 48 cores total and supports up to 6 TB of memory. The jump is worthwhile when workloads demand high thread counts, large in-memory datasets or licensing models that favour dense sockets. Single- or dual-socket systems cannot match this core density.

Fits standard 3U racks

The chassis includes hot-swap power supplies, ready rails and a front bezel. Storage uses a PERC H730P controller with two 400 GB SATA SSDs installed in eight 2.5-inch bays. Networking provides two 1 GbE and two 10 Gb SFP+ ports via an X520/I350 daughter card. iDRAC 9 Enterprise enables remote management.

Highlights

  • 48 DIMM slots support up to 6 TB DDR4 for memory-intensive workloads
  • Four Xeon Gold 5118 CPUs deliver 48 cores at 2.3 GHz base clock
  • PERC H730P controller enables RAID 0/1/5/6/10/50/60 with 2 GB cache
  • Dual 1600 W platinum power supplies provide hot-swap redundancy
  • iDRAC 9 Enterprise gives full remote management with dedicated network port

Specifications

BrandDELL
SeriesPowerEdge R940
ModelR940
TypeRack
Rack Height3U
Redundant Hot-swap PowerYes
CPU TypeIntel Xeon
CPU Speed2.30 GHz
CPU SocketLGA 3647
Number of CPU Cores12-Core Processor
# of Processors Installed4
MAX Processors4
ChipsetIntel C620
Installed Memory Size128GB
Memory TypeDDR4
Max Memory Capacity6TB
Number of Memory Slots48
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 13 PCIe Gen 3 Slots, 3x PCIe x8, and 10 x PCIe 3.0 x16 slots
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

What rail kit is included for mounting the 3U R940 in a standard rack?

Ready Rails are included with the server for direct rack mounting.

How are the four Xeon Gold 5118 processors and 128GB DDR4 memory installed, and what step is often missed?

All four processors and eight 16GB DDR4 modules come factory-installed; the step often missed is ensuring the iDRAC9 Enterprise licence is activated for remote management.

What drive replacement will be needed for the two installed 400GB SSDs and the H730P controller?

The two 400GB SATA SSDs are hot-swappable 2.5-inch drives; the PERC H730P controller uses a replaceable battery-backed cache module that will need replacement over time.

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