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Dell PowerEdge R940 3U rack server front view with bezel and eight drive bays

DELL

DELL PowerEdge R940 3U Rack Server 4x Xeon Gold 5118 2.3GHz 12-Core 64GB DDR4 8x 600GB SAS H730P

SKU CH-Q2ZW-CNJA3

Four-socket 3U rack server with four 12-core Xeon Gold 5118 processors, 64 GB DDR4, eight 600 GB 10K SAS drives and H730P RAID controller

  • TypeRack
  • Rack Height3U
  • Redundant Hot-swap PowerYes
  • CPU TypeIntel Xeon
  • CPU Speed2.30 GHz
  • CPU SocketLGA 3647
  • Four Xeon Gold 5118 CPUs deliver 48 cores for heavy compute workloads
  • 64 GB DDR4 ECC memory protects data integrity in mission-critical tasks
  • PERC H730P controller supports RAID 0/1/5/6/10/50/60 for flexible storage protection
  • Eight 600 GB 10K SAS drives provide fast, reliable capacity out of the box
  • Dual 1600 W platinum PSUs plus iDRAC 9 Enterprise ensure uptime and remote control

Four-socket Xeon server for dense compute

The PowerEdge R940 packs four Intel Xeon Gold 5118 processors at 2.3 GHz with 12 cores each into a 3U rack chassis. Sixty-four gigabytes of DDR4 registered ECC memory and eight 600 GB 10K SAS drives on a PERC H730P controller give a balanced platform for virtualisation, databases and analytics. Quad-port networking with two 1 GbE and two 10 Gb SFP+ links plus iDRAC 9 Enterprise management complete the package.

Check power, rack depth and memory growth

Dual 1600 W platinum power supplies need matching PDU capacity and appropriate inlet voltage. Verify the rack can accept a 3U unit with included Ready Rails and measure usable depth for cable clearance. Forty-eight DIMM slots support up to 6 TB of DDR4, so plan future memory upgrades against the 48-slot limit and registered ECC requirement. The LGA 3647 sockets are fully populated, so no further CPU expansion is possible.

Sustained load on four CPUs and eight drives

Redundant 1600 W supplies and hot-swap design keep the system running during a module failure. The PERC H730P battery-backed cache protects write throughput during extended RAID rebuilds or heavy transaction logs. Eight 10K SAS spindles deliver consistent random I/O without the thermal throttling seen on smaller drive counts. iDRAC 9 Enterprise provides continuous sensor telemetry so thermal trends are visible before they affect stability.

Highlights

  • Four Xeon Gold 5118 CPUs deliver 48 cores for heavy compute workloads
  • 64 GB DDR4 ECC memory protects data integrity in mission-critical tasks
  • PERC H730P controller supports RAID 0/1/5/6/10/50/60 for flexible storage protection
  • Eight 600 GB 10K SAS drives provide fast, reliable capacity out of the box
  • Dual 1600 W platinum PSUs plus iDRAC 9 Enterprise ensure uptime and remote control

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 Size64GB
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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Questions about this item

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

The server ships with four Xeon Gold 5118 processors, 64 GB DDR4 memory, a PERC H730P controller with 2 GB cache, eight 600 GB 10 K SAS drives, a quad-port X520/I350 network card, iDRAC9 Enterprise, two 1600 W power supplies, rails and a bezel. Additional drives, memory modules or expansion cards are not included.

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

The unit arrives with 64 GB across four 16 GB DIMMs, leaving 44 slots free. DDR4 registered ECC modules can be added up to the 6 TB maximum supported by the platform.

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

Each Xeon Gold 5118 runs at 2.3 GHz base with a 3.2 GHz turbo, providing 48 physical cores total for multi-threaded workloads such as virtualization and database processing.

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