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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 512GB DDR4 8x 800GB SSD

SKU CH-9QYA-K84ZN

Four-socket rack server with 48 cores, 512 GB DDR4 ECC memory and eight 800 GB SATA SSDs on a PERC H730P RAID controller

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

Installed Memory Size 512GB

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.

  • Four Intel Xeon Gold 5118 processors deliver 48 cores for heavy compute workloads
  • 512GB DDR4 ECC memory supports large datasets and virtualisation density
  • Eight 800GB SATA SSDs provide fast, reliable storage for databases
  • PERC H730P controller enables RAID 0/1/5/6/10/50/60 with battery backup
  • iDRAC9 Enterprise gives full remote management with dedicated network access

Four-socket Xeon Gold server

The Dell PowerEdge R940 is a 3U rack server equipped with four Intel Xeon Gold 5118 processors running at 2.3 GHz with 12 cores each. It ships with 512 GB of DDR4 registered ECC memory across 16 modules and eight 800 GB SATA solid-state drives. The system is built for organisations running mission-critical workloads that demand high core counts and large memory capacity in a compact rack footprint.

Verify rack space and networking needs

Confirm that your rack can accommodate a 3U chassis and that power distribution can support two 1600 watt platinum redundant supplies. The onboard networking provides two 1 GbE and two 10 Gb SFP+ ports via an Intel X520/I350 daughter card, so check that your top-of-rack switches have compatible SFP+ transceivers and cabling. The PERC H730P controller supports SAS and SATA drives with RAID levels 0, 1, 5, 6, 10, 50 and 60.

Scales within the chassis

Eight 2.5-inch drive bays are populated with the included SSDs, leaving no empty bays for additional internal storage without removing drives. Forty-eight DIMM slots allow memory expansion up to 6 TB using DDR4 registered ECC modules. Remote management is handled by iDRAC 9 Enterprise, reducing the need for physical console access. Ready Rails and a front bezel are included for straightforward rack mounting.

Highlights

  • Four Intel Xeon Gold 5118 processors deliver 48 cores for heavy compute workloads
  • 512GB DDR4 ECC memory supports large datasets and virtualisation density
  • Eight 800GB SATA SSDs provide fast, reliable storage for databases
  • PERC H730P controller enables RAID 0/1/5/6/10/50/60 with battery backup
  • iDRAC9 Enterprise gives full remote management with dedicated network access

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 InterfaceSATA
SSD (Installed)8 x 800GB 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 comes in the box and what must be purchased separately?

The server ships with four Xeon Gold 5118 processors, 512 GB DDR4 memory, eight 800 GB SATA SSDs, PERC H730P controller, X520/I350 network card, iDRAC9 Enterprise, two 1600 W power supplies, rails and bezel. Operating system and application licences are not included.

Which memory configuration should I choose for this 48-slot system?

The unit already contains sixteen 32 GB DDR4 2400 MHz registered ECC modules filling 16 of 48 slots. Add matching 32 GB DDR4 RDIMMs to expand toward the 6 TB maximum.

What does the 2.3 GHz base clock mean when all four 12-core CPUs are under load?

Each Xeon Gold 5118 runs at 2.3 GHz base and can turbo to 3.2 GHz depending on thermal headroom, giving 48 total cores for parallel workloads.

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