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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 4x Xeon Gold 6142 2.6GHz 16-core 128GB DDR4 2x 400GB SSD

SKU CH-XFW5-T1JR3

3U rack server with four 16-core Xeon Gold 6142 processors, 128GB DDR4 ECC memory, H730P RAID controller, dual 400GB SSDs, quad-port networking and redundant 1600W power supplies

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

Installed Memory Size 128GB

SSD (Installed) 2 x 400GB SATA SSD

Struck-through versions exist but are not stocked here.

CPU Model Gold 6142

  • Four Xeon Gold 6142 processors deliver 64 cores at 2.6 GHz
  • 128 GB DDR4 registered ECC memory supports large in-memory workloads
  • PERC H730P controller enables RAID 0/1/5/6/10/50/60 with battery backup
  • Dual 10 Gb SFP+ and dual 1 GbE ports provide flexible network connectivity
  • iDRAC 9 Enterprise gives full remote management and monitoring

Rack server for high-density compute

The Dell PowerEdge R940 fits four Intel Xeon Gold 6142 processors in a 3U chassis, delivering 64 cores and 128GB of DDR4 memory. Dual 400GB SATA SSDs and a PERC H730P controller handle boot and caching duties. Redundant 1600 W platinum supplies and iDRAC9 Enterprise management complete the package. It targets databases, virtualization clusters and analytics workloads that demand maximum core count per rack unit.

Suited for multi-socket scaling.

Organizations consolidating many virtual machines or running memory-intensive databases benefit from the four-socket layout and 48 DIMM slots supporting up to 6TB. Workloads that rely on high single-thread frequency or need more than two internal solid-state drives should evaluate alternative platforms. The 2.6 GHz base clock and 3.7 GHz turbo serve throughput-oriented tasks rather than latency-sensitive ones.

Four-socket capacity is the deciding factor

With four LGA 3647 sockets populated and no room for additional CPUs, the R940 delivers its peak 64-core configuration immediately. Buyers who need room to grow beyond four processors must choose a different architecture, while those who need the density today receive a fully populated system ready for rack deployment.

Highlights

  • Four Xeon Gold 6142 processors deliver 64 cores at 2.6 GHz
  • 128 GB DDR4 registered ECC memory supports large in-memory workloads
  • PERC H730P controller enables RAID 0/1/5/6/10/50/60 with battery backup
  • Dual 10 Gb SFP+ and dual 1 GbE ports provide flexible network connectivity
  • iDRAC 9 Enterprise gives full remote management and monitoring

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 Size128GB
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 many memory slots remain free on the R940 after the 128 GB of DDR4 is installed?

Eight of the 48 slots are populated with 16 GB modules, leaving 40 empty slots for future DDR4 upgrades.

Can the PERC H730P controller manage the existing 400 GB SATA SSDs together with additional SAS drives in the same array?

Yes, the H730P supports mixed SAS and SATA drives and offers RAID 0, 1, 5, 6, 10, 50 and 60 across all eight 2.5 inch bays.

Which front-panel indicator confirms that both 1600 W power supplies are active and redundant?

The power-supply LEDs on the front bezel show green for each unit when both are delivering power and redundancy is healthy.

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