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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 5120 2.2GHz 14-core 256GB DDR4 H730P 2x 400GB SSD

SKU CH-D6Z1-37WN0

A 3U rack server with four 14-core Xeon Gold 5120 CPUs, 256GB DDR4, H730P RAID, and two 400GB SSDs

  • TypeRack
  • Rack Height3U
  • Redundant Hot-swap PowerYes
  • CPU TypeIntel Xeon
  • CPU Speed2.20 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 5120

Struck-through versions exist but are not stocked here.

  • Four-socket Xeon Gold 5120 CPUs deliver 56 total cores for heavy workloads
  • 256GB DDR4 ECC memory across 48 slots supports large datasets
  • PERC H730P controller enables RAID 0/1/5/6/10/50/60 with 2GB cache
  • Dual 400GB SATA SSDs provide fast boot and application storage
  • Redundant 1600W platinum power supplies and iDRAC9 Enterprise ensure uptime

Dell PowerEdge R940 3U server

The Dell PowerEdge R940 is a 3U rack server built for compute-heavy workloads. Four Intel Xeon Gold 5120 processors deliver 56 total cores at 2.2 GHz with 3.2 GHz turbo. The system ships with 256 GB of DDR4 registered ECC memory across 48 slots and a PERC H730P RAID controller.

Suits four-socket density.

This server fits buyers who need maximum core count and memory capacity in a 3U form factor. It is not for buyers who want a single-socket platform, lower power draw, or a smaller 1U or 2U chassis for space-constrained racks.

48 DDR4 slots define memory ceiling

The 48 DIMM slots and 6 TB maximum capacity set the ceiling for memory expansion. Buyers planning large in-memory databases or virtualisation clusters must verify their module mix against this slot count and DDR4 requirement.

Highlights

  • Four-socket Xeon Gold 5120 CPUs deliver 56 total cores for heavy workloads
  • 256GB DDR4 ECC memory across 48 slots supports large datasets
  • PERC H730P controller enables RAID 0/1/5/6/10/50/60 with 2GB cache
  • Dual 400GB SATA SSDs provide fast boot and application storage
  • Redundant 1600W platinum power supplies and iDRAC9 Enterprise ensure uptime

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 Size256GB
Memory TypeDDR4
Max Memory Capacity6TB
Number of Memory Slots48
Storage ControllerDell Perc H730P 2GB Controller
HDD InterfaceSATA
SSD (Installed)2 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

How do I decide between the 256GB configuration and the 6TB maximum capacity?

The system ships with 256GB across eight 32GB DDR4 2400MHz modules. All 48 slots are available, so you can add registered ECC DDR4 up to the 6TB limit without removing the factory memory.

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

Four Xeon Gold 5120 processors each run at 2.2GHz base and can boost to 3.2GHz when thermal headroom allows, giving 56 total cores for parallel tasks while the H730P controller keeps storage latency low.

Which drive interfaces does the PERC H730P actually support in this server?

The H730P 2GB controller handles 12Gb/s SAS and 6Gb/s SATA. The two installed 400GB SSDs use SATA 6Gb/s, and the eight 2.5-inch bays accept either SAS or SATA drives.

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