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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 2.6 GHz 16-core 768 GB DDR4 2× 400 GB SSD

SKU CH-M1C3-PW58D

Four-socket 3U rack server with 64 total cores, 768 GB DDR4 ECC memory and dual 400 GB SSDs on a PERC H730P controller

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

CPU Model Gold 6142

  • Four-socket Xeon Gold 6142 CPUs deliver 64 cores at 2.6 GHz
  • 768 GB DDR4-2666 registered ECC memory in 24 slots supports 6 TB maximum
  • PERC H730P 2 GB controller enables RAID 0/1/5/6/10/50/60 and pass-through
  • Dual 400 GB SATA SSDs provide fast boot and application storage
  • iDRAC 9 Enterprise plus redundant 1600 W platinum PSUs ensure remote manageability and uptime

Dell PowerEdge R940 for mission-critical workloads

The Dell PowerEdge R940 is a 3U rack server built for mission-critical applications and real-time decisions. Four Intel Xeon Gold 6142 processors at 2.6 GHz with 16 cores each deliver 64 total cores. 768 GB of DDR4 2666 MHz registered ECC memory is installed across 24 modules. The system supports up to 6 TB maximum capacity across 48 slots.

Verify rack space power and network before ordering

Confirm your rack can accommodate a 3U form factor and that your facility provides redundant power circuits for the dual 1600 W platinum supplies. The storage controller is a Dell PERC H730P with 2 GB cache supporting SAS and SATA drives in RAID 0, 1, 5, 6, 10, 50, 60 and pass-through. Networking uses an Intel X520/I350 quad-port daughter card with two 1 GbE and two 10 Gb SFP+ connections. iDRAC 9 Enterprise provides remote management.

Dual 1600 W supplies handle peak load efficiently

Redundant 1600 watt platinum power supplies share the load and maintain operation if one unit fails. The 3U chassis uses multiple hot-swap fans that adjust speed based on inlet temperature and component demand. Acoustic output rises under full CPU utilisation but remains within typical data-centre limits. Power draw scales with the four-socket configuration and installed memory population.

Highlights

  • Four-socket Xeon Gold 6142 CPUs deliver 64 cores at 2.6 GHz
  • 768 GB DDR4-2666 registered ECC memory in 24 slots supports 6 TB maximum
  • PERC H730P 2 GB controller enables RAID 0/1/5/6/10/50/60 and pass-through
  • Dual 400 GB SATA SSDs provide fast boot and application storage
  • iDRAC 9 Enterprise plus redundant 1600 W platinum PSUs ensure remote manageability and uptime

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 Size768GB
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

What comes in the box and what must be purchased separately?

The server includes four Xeon Gold 6142 processors, 768 GB DDR4 ECC memory in 24 modules, a PERC H730P RAID controller with battery, two 400 GB SATA SSDs, an X520/I350 quad-port network card, iDRAC9 Enterprise, two 1600 W platinum power supplies, rails and a front bezel. Additional drives or memory must be purchased separately.

Which configuration should I choose for maximum processor and memory capacity?

This unit already has the maximum four processors installed and 768 GB of the 6 TB maximum memory, leaving 24 of the 48 DIMM slots free for future expansion.

What does the 2.6 GHz base clock mean for real-world performance?

Each of the 16-core Xeon Gold 6142 CPUs runs at 2.6 GHz base with a 3.7 GHz turbo, delivering 64 total cores for heavily threaded workloads such as virtualisation and databases.

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