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Silver 3U rack server front with eight 2.5 inch drive bays and bezel

DELL

DELL PowerEdge R940 3U rack server 4× Xeon Gold 6148 2.4 GHz 20-core 64GB DDR4 2× 800GB SSD

SKU CH-GQB8-H3WW7

A 3U rack server with four 20-core Xeon Gold 6148 processors, 64GB DDR4 ECC memory, PERC H730P RAID controller and dual 800GB SATA SSDs

  • TypeRack
  • Rack Height3U
  • Redundant Hot-swap PowerYes
  • CPU TypeIntel Xeon
  • CPU Speed2.40 GHz
  • CPU SocketLGA 3647

CPU Model Gold 6148

  • Four 20-core Xeon Gold 6148 CPUs deliver 80 cores for heavy workloads
  • 64GB DDR4 ECC memory supports up to 6TB across 48 slots
  • H730P RAID controller enables RAID 0/1/5/6/10/50/60 with battery backup
  • Two 800GB SATA SSDs provide fast read access for OS and apps
  • Dual 10Gb SFP+ and dual 1GbE ports plus iDRAC9 Enterprise for remote management

Built for mission-critical workloads

The Dell PowerEdge R940 is a 3U rack server populated with four Intel Xeon Gold 6148 processors, each running at 2.4 GHz with 20 cores. It ships with 64 GB of DDR4 registered ECC memory across 48 available slots and includes a PERC H730P storage controller supporting RAID 0, 1, 5, 6, 10, 50 and 60. Two 800 GB SATA SSDs are installed in the eight-bay 2.5-inch chassis, and iDRAC 9 Enterprise provides out-of-band remote management.

Redundant power and flexible networking

Dual 1600 W platinum-efficiency power supplies are hot-swappable for continuous uptime. A quad-port network daughter card delivers two 1 GbE and two 10 Gb SFP+ connections for varied link speeds. The system includes ready rails and a front bezel for straightforward rack integration, while the PERC H730P controller offers 2 GB cache with battery backup to protect data during unexpected power loss.

Verify memory expansion and drive plans

The platform supports up to 6 TB of DDR4 across 48 slots, so confirm your target capacity matches the registered ECC requirement before adding modules. Eight 2.5-inch bays are available, but only two SSDs are included; plan additional SATA or SAS drives for the remaining slots. Ensure your rack provides 3U of space and that the SFP+ ports align with your existing switch transceivers.

Highlights

  • Four 20-core Xeon Gold 6148 CPUs deliver 80 cores for heavy workloads
  • 64GB DDR4 ECC memory supports up to 6TB across 48 slots
  • H730P RAID controller enables RAID 0/1/5/6/10/50/60 with battery backup
  • Two 800GB SATA SSDs provide fast read access for OS and apps
  • Dual 10Gb SFP+ and dual 1GbE ports plus iDRAC9 Enterprise for remote management

Specifications

BrandDELL
SeriesPowerEdge R940
ModelR940
TypeRack
Rack Height3U
Redundant Hot-swap PowerYes
CPU TypeIntel Xeon
CPU Speed2.40 GHz
CPU SocketLGA 3647
Number of CPU Cores20-Core Processor
# of Processors Installed4
MAX Processors4
ChipsetIntel C620
Installed Memory Size64GB
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

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Questions about this item

What throughput does the 12 Gb/s SAS/SATA PERC H730P controller cap in practice?

The Dell PERC H730P 2GB controller runs at 12 Gb/s SAS and 6 Gb/s SATA, supporting RAID 0, 1, 5, 6, 10, 50 and 60 with a battery-backed cache.

What rack depth and rail type does the 3U R940 need to mount?

The server is a 3U rack unit and ships with Dell Ready Rails for tool-less mounting in standard four-post racks; a front bezel is also included.

How are the four Xeon Gold 6148 processors and 64 GB DDR4 installed, and what step is often missed?

All four LGA 3647 sockets are populated with Xeon Gold 6148 CPUs and 64 GB (4×16 GB) DDR4-2666 ECC RDIMMs are pre-installed; the step often missed is verifying the memory configuration matches the 48-slot balanced layout for optimal performance.

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