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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 4× Xeon Gold 6148 2.4 GHz 20-core 128GB DDR4 2× 400GB SSD H730P

SKU CH-19QB-CXRHK

Four-socket 3U rack server with 4× 20-core Xeon Gold 6148 at 2.4 GHz, 128 GB DDR4, H730P RAID controller and 2× 400 GB SATA SSDs

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

CPU Model Gold 6148

  • Four Xeon Gold 6148 processors with 20 cores each for parallel workloads
  • 128 GB DDR4 2666 MHz ECC memory supports large datasets
  • PERC H730P 2 GB controller enables RAID 0 1 5 6 10 50 60
  • Dual 400 GB SATA SSDs provide fast boot and cache
  • iDRAC 9 Enterprise gives full remote server management

Four-socket Xeon Gold 6148 server

The Dell PowerEdge R940 packs four Intel Xeon Gold 6148 processors, each with 20 cores running at 2.4 GHz and a 3.7 GHz turbo frequency. A total of 128 GB of DDR4 registered ECC memory is installed across 48 slots, supporting up to 6 TB. The 3U rack chassis includes a PERC H730P controller with 2 GB cache, two 400 GB SATA SSDs, and a quad-port network daughter card providing two 1 GbE and two 10 Gb SFP+ connections.

Tool-less rails and hot-swap components simplify

Ready Rails and a front bezel ship with the unit, allowing rack mounting without tools. Both 1600 W platinum power supplies and the eight 2.5-inch drive bays are hot-swappable, so failed parts can be replaced while the system runs. The PERC H730P battery-backed cache protects in-flight writes during a power loss. iDRAC 9 Enterprise gives full remote console and lifecycle management over a dedicated network port.

Verify rack depth, power feeds

The 3U height fits standard racks, but overall chassis depth must match your cabinet clearance. Two separate high-voltage circuits are required for full power-supply redundancy. The X520/I350 card uses SFP+ transceivers for 10 Gb links; confirm you have compatible optics and patch cables. Memory expansion beyond 128 GB needs DDR4 registered ECC modules that match the installed 2666 MHz speed.

Highlights

  • Four Xeon Gold 6148 processors with 20 cores each for parallel workloads
  • 128 GB DDR4 2666 MHz ECC memory supports large datasets
  • PERC H730P 2 GB controller enables RAID 0 1 5 6 10 50 60
  • Dual 400 GB SATA SSDs provide fast boot and cache
  • iDRAC 9 Enterprise gives full remote server 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 Size128GB
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

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Same family, different memory, cooler or clock — compare before you commit.

Questions about this item

How do I confirm the four Xeon Gold 6148 processors are all recognised after installation?

The system BIOS and iDRAC9 Enterprise will display all four CPUs, each showing 20 cores at 2.4 GHz with 3.7 GHz turbo, confirming full processor population.

Which components are included and which must be sourced separately?

The server ships with 4× Xeon Gold 6148 CPUs, 128 GB DDR4 (8× 16 GB), PERC H730P 2 GB controller, 2× 400 GB SATA SSDs, X520/I350 quad-port NIC, iDRAC9 Enterprise, 2× 1600 W PSUs, rails and bezel; additional drives or memory must be purchased separately.

Should I choose the 128 GB DDR4 configuration or expand toward the 6 TB maximum?

The installed 128 GB uses 8 of 48 slots; workloads needing large in-memory datasets can add registered ECC DDR4 modules up to the 6 TB limit, while lighter tasks run well on the factory 128 GB.

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