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

DELL

DELL PowerEdge R940 3U Rack Server 4x Xeon Gold 6148 2.4GHz 20-Core 768GB DDR4 2x 800GB SSD

SKU CH-V1HF-RAR37

Four-socket 3U rack server with four 20-core Xeon Gold 6148 CPUs, 768 GB DDR4 ECC memory, PERC H730P RAID controller, two 800 GB SATA SSDs, quad-port 1 GbE and 10 Gb SFP+ networking.

  • 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 threads at 2.4 GHz base
  • 768 GB DDR4 ECC memory across 24 slots supports large datasets
  • PERC H730P RAID controller enables arrays up to RAID 60
  • Dual 10 Gb SFP+ plus dual 1 GbE ports handle heavy network loads
  • Twin 1600 W platinum PSUs with hot-swap keep the server running

Mission-critical 4-socket server

The Dell PowerEdge R940 is a 3U rack server built for heavy multi-threaded workloads. Four Xeon Gold 6148 processors deliver 80 cores at 2.4 GHz with 3.7 GHz turbo, supported by 768 GB of DDR4 registered ECC memory across 24 modules. A PERC H730P controller and dual 800 GB SATA SSDs handle storage, while an X520/I350 daughter card provides two 1 GbE and two 10 Gb SFP+ ports. iDRAC 9 Enterprise and redundant 1600 W platinum supplies complete the package.

Check your rack and power infrastructure

Verify that your rack can accommodate a 3U chassis with the included ready rails and front bezel. Ensure the facility supplies enough power for dual 1600 W platinum units and that PDU connectors match. Confirm the LGA 3647 socket platform and Intel C620 chipset align with your operating system and virtualisation licensing. The system ships with 24 of 48 DIMM slots populated, leaving room for expansion up to 6 TB. Eight 2.5-inch drive bays accept SATA or SAS media behind the PERC H730P.

Thermals and acoustics in a 3U form factor

Four 20-core CPUs and 768 GB of memory generate substantial heat; the 3U chassis uses high-airflow fans to keep temperatures in check, so expect noticeable fan noise under load. Redundant 1600 W platinum power supplies share the load efficiently, drawing only what the components require at any moment. Typical idle power will be far below the supply maximum, while sustained compute tasks will push consumption higher within the platinum efficiency curve. Plan rack airflow and aisle containment accordingly.

Highlights

  • Four 20-core Xeon Gold 6148 CPUs deliver 80 threads at 2.4 GHz base
  • 768 GB DDR4 ECC memory across 24 slots supports large datasets
  • PERC H730P RAID controller enables arrays up to RAID 60
  • Dual 10 Gb SFP+ plus dual 1 GbE ports handle heavy network loads
  • Twin 1600 W platinum PSUs with hot-swap keep the server running

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 Size768GB
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

Does the server include the 24 DDR4 memory modules and the two 800 GB SATA SSDs, or must they be purchased separately?

The system ships with 768 GB of DDR4 2666 MHz registered ECC memory installed as 24 modules of 32 GB each and two Dell Enterprise 800 GB SATA 6 Gb/s 2.5-inch solid-state drives already fitted.

Should I choose the 768 GB DDR4 configuration or plan to expand toward the 6 TB maximum?

The server arrives with 768 GB across 24 slots, leaving 24 additional DDR4 slots free; you can add registered ECC modules later to reach the 6 TB limit if workloads demand more capacity.

What real-world throughput can I expect from the PERC H730P controller with the two installed 800 GB SATA SSDs?

The H730P provides 12 Gb/s SAS/SATA connectivity with 2 GB cache and battery backup, so the dual 800 GB SATA SSDs will deliver sustained read/write speeds at the SATA 6 Gb/s interface limit in RAID 0, 1, 5, 6, 10, 50 or 60.

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