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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.

  • ProcessorIntel Xeon
  • Installed RAM512 GB
  • Video RAM8 MB
  • Installed SSDNo
  • ChipsetIntel C620
  • Processor core count12-Core Processor
  • 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.

How it compares

Measured against everything we stock in Rack & Tower Servers, at today’s prices. Recalculated every night.

Price $3,414.99
Pricier than about 69% of the 17,641 comparable items (median $1,910.99).
Installed RAM 512 GB
Higher than about 80% of the 15,103 comparable items (median 128 GB).
Video RAM 8 MB
Typical for this category: the median of 8,309 items is 0.01 GB.

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Specifications

Product
Brand nameDELL
Product linePowerEdge R940
Model nameR940
Product typeRack
Processor
ProcessorIntel Xeon
Processor core count12-Core Processor
Processor socketLGA 3647
ChipsetIntel C620
Processor speed2.3 GHz
Installed CPUs4
Max supported CPUs4
Memory
Installed RAM512 GB
Type of memoryDDR4
Maximum RAM capacity6 TB
Memory slot count48
Storage
Installed SSDNo
Disk controllerDell Perc H730P 2 GB Controller
Drive interfaceSAS
Supported RAID levelsRAID 0/1/5/6/10/50/60
Graphics
Video RAM8 MB
Graphics chipMatrox G200
Connectivity
Network controllerDell Intel X520/I350 Quad Port 2x 1GbE 2x 10Gb SFP+ Network Daughter Card
Ports & slots
Network ports4 x Ports
Expansion card slotsUp to 13 PCIe Gen 3 Slots, 3x PCIe x8, and 10 x PCIe 3.0 x16 slots
Management interfaceRJ 45
Power
Hot-swap redundant PSUYes
Size & build
Rack height3U
Software
Operating systemNo

Other versions of this model

5 more in the same range

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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