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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 6142 2.6GHz 16-core 512GB DDR4 8× 400GB SSD H730P

SKU CH-NSZC-C4MR6

A 3U rack server with four 16-core Xeon Gold 6142 processors at 2.6GHz, 512GB DDR4, eight 400GB SATA SSDs on an H730P controller, dual 10Gb SFP+ networking and iDRAC9 Enterprise management

  • TypeRack
  • Rack Height3U
  • Redundant Hot-swap PowerYes
  • CPU TypeIntel Xeon
  • CPU Speed2.60 GHz
  • CPU SocketLGA 3647

Installed Memory Size 512GB

SSD (Installed) 8 x 400GB SATA SSD

Struck-through versions exist but are not stocked here.

CPU Model Gold 6142

  • Four Xeon Gold 6142 CPUs deliver 64 total cores for heavy workloads
  • 512 GB DDR4 2666 MHz ECC memory supports large datasets
  • H730P controller enables RAID 0/1/5/6/10/50/60 with 2 GB cache
  • Eight 400 GB SATA SSDs provide fast storage in eight 2.5-inch bays
  • Dual 1600 W platinum power supplies with iDRAC9 Enterprise remote management

Quad-socket 3U server for mission-critical workloads

The Dell PowerEdge R940 is a 3U rack server equipped with four Intel Xeon Gold 6142 processors running at 2.6 GHz with 16 cores each. It ships with 512 GB of DDR4 2666 MHz registered ECC memory across 16 modules and eight 400 GB SATA SSDs managed by a PERC H730P RAID controller with 2 GB cache. Dual 1600 W platinum power supplies, iDRAC9 Enterprise, quad-port networking and rails are included.

Suited for dense compute, not GPU-heavy builds

This platform suits organisations that need maximum core density and memory capacity in a 3U form factor with redundant 1600 W power supplies. Buyers who require GPU acceleration or more than eight drive bays should evaluate alternative chassis designs. The four-socket limit and 3U height define the expansion ceiling for this configuration.

6 TB DDR4 ceiling decides memory growth

The Intel C620 chipset supports up to 6 TB of DDR4 across 48 DIMM slots, so the installed 512 GB leaves substantial headroom for in-memory databases or virtualisation. Verify that your application licences and OS edition can address the full capacity before populating the remaining slots.

Highlights

  • Four Xeon Gold 6142 CPUs deliver 64 total cores for heavy workloads
  • 512 GB DDR4 2666 MHz ECC memory supports large datasets
  • H730P controller enables RAID 0/1/5/6/10/50/60 with 2 GB cache
  • Eight 400 GB SATA SSDs provide fast storage in eight 2.5-inch bays
  • Dual 1600 W platinum power supplies with iDRAC9 Enterprise remote management

Specifications

BrandDELL
SeriesPowerEdge R940
ModelR940
TypeRack
Rack Height3U
Redundant Hot-swap PowerYes
CPU TypeIntel Xeon
CPU Speed2.60 GHz
CPU SocketLGA 3647
Number of CPU Cores16-Core Processor
# of Processors Installed4
MAX Processors4
ChipsetIntel C620
Installed Memory Size512GB
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

How do I expand the memory beyond the installed 512GB DDR4?

The system has 48 DDR4 slots and supports up to 6TB total capacity, so additional registered ECC modules can be added to the open slots.

Which component reaches its limit first during sustained heavy workloads?

The four Xeon Gold 6142 processors are already at the maximum of four sockets, so CPU scaling cannot go further.

What is the power draw and heat output when the dual 1600W PSUs run continuously?

Redundant 1600W Platinum power supplies provide efficient delivery, and iDRAC9 Enterprise monitors thermal status in real time.

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