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Silver 3U rack server with front drive bays, bezel and rails

DELL

DELL PowerEdge R940 3U Rack Server 4x Xeon Gold 5118 2.3GHz 12-Core 512GB DDR4

SKU CH-1Z3A-2KA9G

A 3U rack server with four 12-core Xeon Gold 5118 processors at 2.3 GHz, 512 GB DDR4 ECC memory, a PERC H730P RAID controller, dual 10 GbE and 1 GbE ports, iDRAC9 Enterprise.

  • TypeRack
  • Rack Height3U
  • Redundant Hot-swap PowerYes
  • CPU TypeIntel Xeon
  • CPU Speed2.30 GHz
  • CPU SocketLGA 3647
  • Four-socket Xeon Gold 5118 processors deliver 48 cores for heavy parallel workloads
  • 512 GB DDR4 2400 MHz ECC memory supports large in-memory databases
  • PERC H730P 2 GB controller enables RAID 0, 1, 5, 6, 10, 50, 60
  • Dual 1600 W platinum power supplies provide full redundancy
  • iDRAC 9 Enterprise gives remote console and lifecycle management

Dell PowerEdge R940 3U Server

The Dell PowerEdge R940 is a 3U rack server built for multi-socket workloads. It ships with four Intel Xeon Gold 5118 processors, each running at 2.3 GHz with 12 cores. The system includes 512 GB of DDR4 memory across 16 registered ECC modules. Dual 1600 W redundant power supplies and iDRAC9 Enterprise management come standard.

Suited for dense virtualisation

This server suits organisations running virtualisation hosts, in-memory databases or ERP systems that benefit from four sockets and 48 DIMM slots. The PERC H730P controller supports RAID 0, 1, 5, 6, 10, 50 and 60 with a 2 GB cache. Buyers who need GPU acceleration, all-flash arrays or single-thread performance beyond 3.2 GHz should evaluate other platforms.

48 DDR4 slots support up to 6 TB

The motherboard provides 48 DDR4 slots with a maximum capacity of 6 TB, using registered ECC modules. This ceiling determines whether the chassis can grow with your dataset or if a larger platform is required.

Highlights

  • Four-socket Xeon Gold 5118 processors deliver 48 cores for heavy parallel workloads
  • 512 GB DDR4 2400 MHz ECC memory supports large in-memory databases
  • PERC H730P 2 GB controller enables RAID 0, 1, 5, 6, 10, 50, 60
  • Dual 1600 W platinum power supplies provide full redundancy
  • iDRAC 9 Enterprise gives remote console and lifecycle 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 Size512GB
Memory TypeDDR4
Max Memory Capacity6TB
Number of Memory Slots48
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 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

What comes in the box and what must I buy separately?

The server ships with four Xeon Gold 5118 processors, 512 GB DDR4 ECC memory in 16 modules of 32 GB, a PERC H730P 2 GB RAID controller, two 300 GB 10 K SAS drives, a quad-port X520/I350 network card, iDRAC9 Enterprise, dual 1600 W platinum PSUs, rails and a front bezel. Additional drives or memory are optional.

Which memory configuration should I choose for this server?

The system has 48 DDR4 slots and currently uses 16 of them with 32 GB registered ECC DIMMs at 2400 MHz. You can expand up to 6 TB by populating the remaining 32 slots with matching registered ECC modules.

What does the 2.3 GHz base clock mean once the server is running workloads?

Each of the 48 cores runs at 2.3 GHz base frequency and can turbo up to 3.2 GHz depending on thermal headroom and the number of active cores, giving strong single-thread response while sustaining high throughput across all sockets.

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