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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 5118 2.3GHz 12-Core 512GB DDR4 2x 800GB SSD

SKU CH-66NB-DN1BQ

Four-socket 3U rack server with 48 cores at 2.3 GHz, 512 GB DDR4 ECC, dual 800 GB SSDs on a PERC H730P controller, quad-port 1/10 GbE networking.

  • TypeRack
  • Rack Height3U
  • Redundant Hot-swap PowerYes
  • CPU TypeIntel Xeon
  • CPU Speed2.30 GHz
  • CPU SocketLGA 3647

Installed Memory Size 512GB

SSD (Installed) 2 x 800GB SATA SSD

Struck-through versions exist but are not stocked here.

CPU Model Gold 5118

  • Four-socket Xeon Gold 5118 CPUs deliver 48 cores for heavy workloads
  • 512 GB DDR4-2400 ECC memory supports large in-memory datasets
  • PERC H730P RAID controller with 2 GB cache protects data
  • Dual 800 GB SATA SSDs provide fast boot and application storage
  • Redundant 1600 W platinum power supplies keep the server running

Four-Socket Xeon Gold 5118 Server

The Dell PowerEdge R940 is a 3U rack server equipped with four Intel Xeon Gold 5118 processors running at 2.30 GHz with 12 cores each. It includes 512 GB of DDR4 registered ECC memory across 16 modules and two 800 GB SATA solid-state drives managed by a PERC H730P RAID controller. Dual 1600 W redundant power supplies and iDRAC9 Enterprise remote management complete the configuration.

Suited for dense compute workloads

This system targets organisations that need high core counts and large memory capacity in a compact rack footprint for virtualisation, database or analytics workloads. Buyers who require more than two internal drives, additional PCIe expansion slots or a non-rack mounting option should evaluate alternative platforms because the chassis prioritises CPU density and redundant power in a 3U form factor.

48 DDR4 slots support up to 6 TB

The server provides 48 DDR4 memory slots with a maximum supported capacity of 6 TB, allowing substantial future memory expansion beyond the 512 GB installed. This headroom determines whether the platform can grow with increasing dataset sizes or virtual machine density over its service life.

Highlights

  • Four-socket Xeon Gold 5118 CPUs deliver 48 cores for heavy workloads
  • 512 GB DDR4-2400 ECC memory supports large in-memory datasets
  • PERC H730P RAID controller with 2 GB cache protects data
  • Dual 800 GB SATA SSDs provide fast boot and application storage
  • Redundant 1600 W platinum power supplies keep the server running

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 Size512GB
Memory TypeDDR4
Max Memory Capacity6TB
Number of Memory Slots48
Storage ControllerDell Perc H730P 2GB Controller
HDD InterfaceSATA
SSD (Installed)2 x 800GB 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

Should I pick the 800 GB SATA SSDs or add more drives to the eight 2.5-inch bays?

The server ships with two 800 GB SATA SSDs and six empty 2.5-inch bays; the PERC H730P supports SATA and SAS so you can add matching SSDs or larger capacity drives as needed.

What does the 2.3 GHz base clock with 3.2 GHz turbo mean for a four-socket Xeon Gold 5118 configuration?

Forty-eight cores run at 2.3 GHz base and can boost to 3.2 GHz under load, giving high multi-thread throughput for virtualisation or database workloads.

How does the 12 Gb/s SAS controller limit the installed SATA SSDs?

The PERC H730P runs at 12 Gb/s SAS but the fitted drives are SATA 6 Gb/s, so each SSD is capped at the SATA link speed.

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