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Dell PowerEdge R940 3U rack server front view with bezel and eight drive bays

DELL

DELL PowerEdge R940 3U rack server 4× Xeon Gold 5118 2.3GHz 12-core 128GB DDR4 8× 2.4TB SAS H730P

SKU CH-F045-PFFN2

Four-socket 3U rack server with 48 cores, 128 GB DDR4, eight 2.4 TB SAS drives and dual 10 GbE ports

  • TypeRack
  • Rack Height3U
  • Redundant Hot-swap PowerYes
  • CPU TypeIntel Xeon
  • CPU Speed2.30 GHz
  • CPU SocketLGA 3647
  • Four Xeon Gold 5118 processors deliver 48 cores for heavy workloads
  • 128 GB DDR4 ECC memory supports large datasets and virtualization
  • PERC H730P controller enables RAID 0, 1, 5, 6, 10, 50, 60
  • Eight 2.4 TB 10 K SAS drives provide high-capacity fast storage
  • Dual 1600 W platinum power supplies and iDRAC9 Enterprise ensure uptime

3U four-socket Xeon rack server

The Dell PowerEdge R940 is a 3U rack server populated with four Intel Xeon Gold 5118 processors running at 2.3 GHz with twelve cores each. It ships with 128 GB of DDR4 registered ECC memory across forty-eight slots and a PERC H730P controller managing eight 2.4 TB 10K SAS drives. Dual 1600 W platinum power supplies and iDRAC9 Enterprise remote management are included.

Suited for dense multi-threaded workloads.

This configuration suits environments that need high core counts and large memory capacity in a compact 3U form factor, such as database clusters or virtualisation hosts. Buyers who require GPU acceleration, single-thread frequencies above 3.2 GHz, or more than eight internal drive bays should look at alternative platforms.

PERC H730P RAID controller with 2 GB cache

The storage subsystem centres on the Dell PERC H730P 12 Gb/s SAS/SATA controller with 2 GB battery-backed cache. It supports RAID 0, 1, 5, 6, 10, 50, 60 and pass-through modes, determining how the eight 2.4 TB SAS drives can be configured for performance or redundancy.

Highlights

  • Four Xeon Gold 5118 processors deliver 48 cores for heavy workloads
  • 128 GB DDR4 ECC memory supports large datasets and virtualization
  • PERC H730P controller enables RAID 0, 1, 5, 6, 10, 50, 60
  • Eight 2.4 TB 10 K SAS drives provide high-capacity fast storage
  • Dual 1600 W platinum power supplies and iDRAC9 Enterprise ensure uptime

Specifications

BrandDELL
SeriesPowerEdge R940
ModelR940
TypeRack
Rack Height3U
Redundant Hot-swap PowerYes
CPU TypeIntel Xeon
CPU Speed2.30 GHz
CPU SocketLGA 3647
Number of CPU Cores12-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 InterfaceSAS
SSD (Installed)No
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 rack height and rail kit are required to mount the PowerEdge R940?

The server occupies 3U of rack space and ships with Dell Ready Rails for standard four-post racks.

How are the four Xeon Gold 5118 processors installed, and what step is often missed?

Each CPU seats in an LGA 3647 socket; the common error is forgetting to apply thermal paste before locking the heatsink.

Which memory modules will be needed when expanding beyond the installed 128 GB?

The system has 48 DDR4 slots and supports registered ECC modules up to a total of 6 TB.

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