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Silver 3U rack server with front bezel and drive bays

DELL

DELL PowerEdge R940 3U rack server 4× Xeon Gold 5120 2.2GHz 14-core 768GB DDR4 H730P 2× 400GB SSD

SKU CH-H5ZK-9DKYZ

3U rack server with four 14-core Xeon Gold 5120 CPUs, 768GB DDR4 ECC memory, PERC H730P RAID controller and dual 400GB SSDs

  • TypeRack
  • Rack Height3U
  • Redundant Hot-swap PowerYes
  • CPU TypeIntel Xeon
  • CPU Speed2.20 GHz
  • CPU SocketLGA 3647

Installed Memory Size 768GB

HDD None

  • 2 x 300GB 10K SAS
  • 8 x 1.2TB 10K SAS
  • 8 x 2.4TB 10K SAS
  • 8 x 300GB 10K SAS
  • 8 x 600GB 10K SAS
  • None

CPU Model Gold 5120

Struck-through versions exist but are not stocked here.

  • Four Xeon Gold 5120 processors provide 14 cores each at 2.2 GHz with 3.2 GHz turbo
  • 768 GB DDR4 2400 MHz ECC memory across 24 slots supports heavy workloads
  • PERC H730P 2 GB controller enables RAID 0 1 5 6 10 50 60 and pass-through
  • Two 400 GB SATA SSDs deliver fast read performance for boot and cache
  • Dual 1600 W platinum power supplies with iDRAC9 Enterprise ensure uptime and remote control

Mission-Critical 4-Socket Server

The Dell PowerEdge R940 is a 3U rack server built for heavy database and virtualization workloads. It ships with four Intel Xeon Gold 5120 processors running at 2.2 GHz with 14 cores each and 768 GB of DDR4 registered ECC memory across 24 modules. Dual 400 GB SATA SSDs sit behind a PERC H730P controller with battery-backed cache supporting RAID 0, 1, 5, 6, 10, 50 and 60.

Scale-Up Buyers vs Scale-Out Needs

This system suits teams that need maximum cores and memory in a single 3U chassis with redundant 1600 W power supplies and iDRAC9 Enterprise management. Buyers who want more storage bays than the eight 2.5-inch slots provided or who prefer a scale-out cluster of smaller nodes should look at a different platform.

Four-Socket Ceiling Decides Fit

The R940 supports a maximum of four processors, and this unit already populates every LGA 3647 socket. If your workload demands room to add CPUs later, this configuration cannot grow further.

Highlights

  • Four Xeon Gold 5120 processors provide 14 cores each at 2.2 GHz with 3.2 GHz turbo
  • 768 GB DDR4 2400 MHz ECC memory across 24 slots supports heavy workloads
  • PERC H730P 2 GB controller enables RAID 0 1 5 6 10 50 60 and pass-through
  • Two 400 GB SATA SSDs deliver fast read performance for boot and cache
  • Dual 1600 W platinum power supplies with iDRAC9 Enterprise ensure uptime and remote control

Specifications

BrandDELL
SeriesPowerEdge R940
ModelR940
TypeRack
Rack Height3U
Redundant Hot-swap PowerYes
CPU TypeIntel Xeon
CPU Speed2.20 GHz
CPU SocketLGA 3647
Number of CPU Cores14-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

How do I install the 24 DDR4 memory modules into the 48 slots, and which population rule do builders often miss?

Fill all 24 modules across the 48 slots following the per-processor channel sequence shown in the system service manual; the common error is leaving a channel unbalanced within a single CPU.

Which components will need replacement first during the server's service life?

The two 400 GB SATA SSDs and the PERC H730P controller battery are the primary field-replaceable items with defined wear-out cycles.

What thermal limit appears first when all four Xeon Gold 5120 processors run at 3.2 GHz turbo continuously?

The 1600 W redundant power supplies reach their sustained output ceiling before the chassis cooling hits its maximum capacity.

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