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Silver 3U rack server with front bezel, eight 2.5-inch drive bays and redundant power supplies

DELL

DELL PowerEdge R940 3U rack server 4× Xeon Gold 5118 2.3GHz 12-core 256GB DDR4 8×400GB SSD

SKU CH-NJVF-E321G

A 3U rack server with four 12-core Xeon Gold 5118 processors at 2.3 GHz, 256 GB DDR4 ECC memory, eight 400 GB SATA SSDs on a PERC H730P controller.

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

Installed Memory Size 256GB

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-socket Xeon Gold 5118 delivers 48 cores for heavy workloads
  • 256 GB DDR4 ECC memory supports large in-memory datasets
  • PERC H730P RAID controller enables multiple redundancy levels
  • Eight 400 GB SATA SSDs provide fast read-intensive storage
  • Dual 1600 W platinum PSUs with iDRAC9 Enterprise ensure uptime

Mission-critical compute density

The Dell PowerEdge R940 packs four Intel Xeon Gold 5118 processors into a 3U rack chassis, delivering 48 cores at 2.3 GHz with 3.2 GHz turbo for heavy database and virtualisation workloads. It ships with 256 GB of DDR4 registered ECC memory across 48 slots and includes iDRAC 9 Enterprise for remote management.

Maximum processor count is the gating factor

The system supports four sockets and arrives fully populated with four 12-core CPUs, so no further processor upgrades are possible; expansion is limited to memory and storage within the existing 48 DIMM slots and eight drive bays.

Dual 1600 W platinum supplies share load

Redundant hot-swap power supplies run at platinum efficiency, keeping thermals stable under full CPU utilisation while fan noise remains typical for a densely packed 3U server in a cooled rack environment.

Highlights

  • Four-socket Xeon Gold 5118 delivers 48 cores for heavy workloads
  • 256 GB DDR4 ECC memory supports large in-memory datasets
  • PERC H730P RAID controller enables multiple redundancy levels
  • Eight 400 GB SATA SSDs provide fast read-intensive storage
  • Dual 1600 W platinum PSUs with iDRAC9 Enterprise ensure uptime

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
SSD (Installed)8 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 does having four 12-core Xeon Gold 5118 processors at 2.3 GHz mean for real-world throughput?

The server delivers 48 physical cores at a 2.3 GHz base frequency with 3.2 GHz turbo, giving high parallel capacity for virtualisation, databases and compute-intensive workloads.

What does the PERC H730P controller's 12 Gb/s SAS/SATA interface cap in practice?

The H730P runs the eight 400 GB SATA SSDs at up to 6 Gb/s each and supports RAID 0, 1, 5, 6, 10, 50 and 60 with its 2 GB cache and battery backup.

What physical space and mounting hardware does the 3U chassis need?

The 3U rack-mount chassis includes ready rails and a front bezel for standard 4-post cabinet installation and uses two redundant 1600 W platinum power supplies.

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