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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

  • ProcessorIntel Xeon
  • Installed RAM256 GB
  • Video RAM8 MB
  • Installed SSD2 × 400 GB SATA SSD
  • ChipsetIntel C620
  • Processor core count14-Core Processor

Installed Memory Size 256GB

HDD None

CPU Model Gold 5120

  • 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.

How it compares

Measured against everything we stock in Rack & Tower Servers, at today’s prices. Recalculated every night.

Price $2,162.99
Pricier than about 54% of the 17,641 comparable items (median $1,910.99).
Installed RAM 256 GB
Higher than about 60% of the 15,103 comparable items (median 128 GB).
Video RAM 8 MB
Typical for this category: the median of 8,309 items is 0.01 GB.

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Specifications

Product
Brand nameDELL
Product linePowerEdge R940
Model nameR940
Product typeRack
Processor
ProcessorIntel Xeon
Processor core count14-Core Processor
Processor socketLGA 3647
ChipsetIntel C620
Processor speed2.2 GHz
Installed CPUs4
Max supported CPUs4
Memory
Installed RAM256 GB
Type of memoryDDR4
Maximum RAM capacity6 TB
Memory slot count48
Storage
Installed SSD2 × 400 GB SATA SSD
Disk controllerDell Perc H730P 2 GB Controller
Drive interfaceSATA
Supported RAID levelsRAID 0/1/5/6/10/50/60
Graphics
Video RAM8 MB
Graphics chipMatrox G200
Connectivity
Network controllerDell Intel X520/I350 Quad Port 2x 1GbE 2x 10Gb SFP+ Network Daughter Card
Ports & slots
Network ports4 x Ports
Expansion card slotsUp to 13 PCIe Gen 3 Slots, 3x PCIe x8, and 10 x PCIe 3.0 x16 slots
Management interfaceRJ 45
Power
Hot-swap redundant PSUYes
Size & build
Rack height3U
Software
Operating systemNo

Other versions of this model

5 more in the same range

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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