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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 5120 2.2GHz 14-core 64GB DDR4

SKU CH-8S8C-J99HT

A 3U rack server with four 14-core Xeon Gold 5120 processors at 2.2GHz, 64GB DDR4, H730P RAID, dual 300GB SAS drives, quad-port networking and redundant 1600W power supplies

  • TypeRack
  • Rack Height3U
  • Redundant Hot-swap PowerYes
  • CPU TypeIntel Xeon
  • CPU Speed2.20 GHz
  • CPU SocketLGA 3647
  • Four Xeon Gold 5120 CPUs deliver 2.2 GHz base speed with 3.2 GHz turbo for heavy workloads
  • 64 GB DDR4 registered ECC memory across 48 slots scales to 6 TB for large datasets
  • PERC H730P controller supports RAID 0, 1, 5, 6, 10, 50, 60 with 2 GB cache
  • Two 300 GB 10 K SAS drives and X520/I350 quad-port card provide 1 GbE and 10 Gb SFP+ connectivity
  • Dual 1600 W platinum PSUs and iDRAC 9 Enterprise ensure uptime and remote management

Four-socket Xeon Gold 5120 server

The Dell PowerEdge R940 is a 3U rack server built for organisations that need high core counts and large memory capacity in a compact form factor. It ships with four Intel Xeon Gold 5120 processors, each running at 2.2 GHz with 14 cores, and 64 GB of DDR4 registered ECC memory installed across 48 DIMM slots.

SAS storage controller and drive limits

The PERC H730P controller supports SAS and SATA drives with RAID levels 0, 1, 5, 6, 10, 50 and 60 plus pass-through mode. Only two 300 GB 10K SAS drives are included in the eight 2.5-inch bays, so additional drives are required to reach usable capacity or redundancy.

Memory expansion and power requirements

The system accepts up to 6 TB of DDR4 memory, but the 48 slots are populated with four 16 GB modules leaving most slots empty for future upgrades. Dual 1600 W platinum power supplies provide redundancy, so the rack must supply adequate power distribution for both units.

Highlights

  • Four Xeon Gold 5120 CPUs deliver 2.2 GHz base speed with 3.2 GHz turbo for heavy workloads
  • 64 GB DDR4 registered ECC memory across 48 slots scales to 6 TB for large datasets
  • PERC H730P controller supports RAID 0, 1, 5, 6, 10, 50, 60 with 2 GB cache
  • Two 300 GB 10 K SAS drives and X520/I350 quad-port card provide 1 GbE and 10 Gb SFP+ connectivity
  • Dual 1600 W platinum PSUs and iDRAC 9 Enterprise ensure uptime and remote management

Specifications

BrandDELL
SeriesPowerEdge R940
ModelR940
TypeRack
Rack Height3U
Redundant Hot-swap PowerYes
CPU TypeIntel Xeon
CPU Speed2.20 GHz
CPU SocketLGA 3647
Number of CPU Cores14-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

5 more in the same range

Same family, different memory, cooler or clock — compare before you commit.

Questions about this item

Should I choose the 64 GB configuration or add more DDR4 later?

The server ships with 64 GB (4× 16 GB) DDR4-2400 registered ECC and has 48 DIMM slots supporting up to 6 TB, so you can start small and expand as workloads grow.

What does the 2.2 GHz base clock with 3.2 GHz turbo mean for real workloads?

Four Xeon Gold 5120 processors each run 14 cores at 2.2 GHz base and can boost to 3.2 GHz, delivering high multi-thread throughput for databases and virtualization.

How does the 12 Gb/s SAS controller and 10 GbE SFP+ affect storage and network limits?

The PERC H730P handles SAS/SATA at 12 Gb/s with RAID 0/1/5/6/10/50/60, while the X520/I350 card provides two 1 GbE and two 10 GbE SFP+ ports for fast network connectivity.

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