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Silver 3U rack server front with bezel, eight 2.5-inch drive bays, Dell badge

DELL

DELL PowerEdge R940 3U 4x Xeon Gold 5118 2.3GHz 12C 256GB DDR4 H730P X520/I350 iDRAC9 2x 1600W Bezel Rails

SKU CH-0475-AEJS1

A 3U rack server with four 12-core Xeon Gold 5118 CPUs, 256 GB DDR4, PERC H730P storage controller and dual 10 Gb SFP+ networking, ready for mission-critical workloads

  • TypeRack
  • Rack Height3U
  • Redundant Hot-swap PowerYes
  • CPU TypeIntel Xeon
  • CPU Speed2.30 GHz
  • CPU SocketLGA 3647
  • Four 12-core Xeon Gold 5118 CPUs at 2.3 GHz deliver high multi-threaded throughput
  • 256 GB DDR4 registered ECC memory across 48 slots supports large in-memory workloads
  • PERC H730P 2 GB controller enables RAID 0/1/5/6/10/50/60 with battery-backed cache
  • Quad-port X520/I350 daughter card provides two 1 GbE and two 10 Gb SFP+ links
  • Dual 1600 W platinum hot-swap power supplies and iDRAC9 Enterprise ensure resilient remote management

Four-socket Xeon Gold server

The Dell PowerEdge R940 is a 3U rack server built for heavy enterprise workloads. It ships with four Intel Xeon Gold 5118 processors, each running at 2.30 GHz with 12 cores. The system includes 256 GB of DDR4 registered ECC memory across eight 32 GB modules. Dual 1600 W platinum power supplies and iDRAC 9 Enterprise remote management complete the package.

Suits virtualisation and database clusters

This configuration targets organisations that run large virtual machine farms, in-memory databases or high-transaction ERP systems. The quad-socket design and 48 DIMM slots support up to 6 TB of memory for scale-up scenarios. Buyers who need GPU acceleration, single-threaded performance above 3.2 GHz turbo or a chassis smaller than 3U should evaluate other platforms.

48 DDR4 DIMM slots define maximum memory

The server provides 48 memory slots populated with eight 32 GB DDR4 2400 MHz modules today. Expansion is limited by this slot count and the 6 TB architectural ceiling. Confirm that your memory roadmap fits within these constraints before purchase.

Highlights

  • Four 12-core Xeon Gold 5118 CPUs at 2.3 GHz deliver high multi-threaded throughput
  • 256 GB DDR4 registered ECC memory across 48 slots supports large in-memory workloads
  • PERC H730P 2 GB controller enables RAID 0/1/5/6/10/50/60 with battery-backed cache
  • Quad-port X520/I350 daughter card provides two 1 GbE and two 10 Gb SFP+ links
  • Dual 1600 W platinum hot-swap power supplies and iDRAC9 Enterprise ensure resilient remote management

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 Size256GB
Memory TypeDDR4
Max Memory Capacity6TB
Number of Memory Slots48
Storage ControllerDell Perc H730P 2GB Controller
HDD InterfaceSATA/SAS
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 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

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

Questions about this item

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

The four processors drop into the four LGA 3647 sockets on the system board; the step often missed is applying the correct torque sequence on each retention bracket before closing the load plate.

Which components will need replacement first during the server's life?

The PERC H730P controller battery and the two 1600 watt power supply fans are the first parts that typically require replacement.

What limit appears first when the R940 runs sustained heavy workloads?

The 1600 watt redundant power supplies set the first sustained ceiling; total draw above their combined rating triggers throttling or shutdown.

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