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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 4x Xeon Gold 6148 2.4GHz 20-Core 512GB DDR4 H730P 2x300GB SAS

SKU CH-0S0V-70KGR

Four-socket 3U rack server with four 20-core Xeon Gold 6148 processors, 512GB DDR4, H730P RAID controller, dual 300GB SAS drives and redundant 1600W power supplies

  • ProcessorIntel Xeon
  • Installed RAM512 GB
  • Video RAM8 MB
  • Installed SSDNo
  • ChipsetIntel C620
  • Processor core count20-Core Processor

Installed Memory Size 512GB

HDD 2 x 300GB 10K SAS

CPU Model Gold 6148

  • Four Xeon Gold 6148 CPUs provide 20 cores each at 2.4 GHz with 3.7 GHz turbo
  • 512 GB DDR4 2666 MHz registered ECC memory across 48 slots supports up to 6 TB
  • PERC H730P 2 GB controller enables RAID 0, 1, 5, 6, 10, 50, 60 and pass-through
  • Dual 300 GB 10K SAS drives plus quad-port 1 GbE and 10 Gb SFP+ networking
  • iDRAC9 Enterprise remote management with redundant 1600 W platinum power supplies

Four-Socket Xeon Server

The Dell PowerEdge R940 is a 3U rack server built for compute-dense workloads. Four Intel Xeon Gold 6148 processors provide 20 cores each at 2.4 GHz with a 3.7 GHz turbo frequency. The system ships with 512 GB of DDR4 registered ECC memory across 16 modules. It is suited for organisations that need high core counts in a compact rack footprint.

Enterprise Buyers vs Small-Scale Users

This server targets IT departments running virtualisation clusters, in-memory databases or real-time analytics where four-socket scaling matters. The PERC H730P controller supports RAID 0, 1, 5, 6, 10, 50 and 60 with a 2 GB battery-backed cache. Buyers who need only a single or dual-socket platform should consider smaller form factors that cost less to power and cool.

512 GB DDR4 Memory Installed

The chassis holds 48 DIMM slots and supports up to 6 TB of DDR4 when fully populated. The current configuration uses 16 × 32 GB modules running at 2666 MHz. Storage is handled by two 300 GB 10 K SAS drives connected to the H730P controller. Network connectivity includes a quad-port daughter card with two 1 GbE and two 10 Gb SFP+ interfaces. iDRAC 9 Enterprise provides remote management.

How it compares

Measured against everything we stock in Rack & Tower Servers, at today’s prices. Recalculated every night.

Price $3,219.99
Pricier than about 67% of the 17,641 comparable items (median $1,910.99).
Installed RAM 512 GB
Higher than about 80% of the 15,103 comparable items (median 128 GB).
Video RAM 8 MB
Typical for this category: the median of 8,309 items is 0.01 GB.

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Specifications

Product
Brand nameDELL
Product linePowerEdge R940
Model nameR940
Product typeRack
Processor
ProcessorIntel Xeon
Processor core count20-Core Processor
Processor socketLGA 3647
ChipsetIntel C620
Processor speed2.4 GHz
Installed CPUs4
Max supported CPUs4
Memory
Installed RAM512 GB
Type of memoryDDR4
Maximum RAM capacity6 TB
Memory slot count48
Storage
Installed SSDNo
Disk controllerDell Perc H730P 2 GB Controller
Drive interfaceSAS
Supported RAID levelsRAID 0/1/5/6/10/50/60
Graphics
Video RAM8 MB
Graphics chipMatrox G200
Connectivity
Network controllerDell Intel X520/I350 Quad Port 2x 1GbE 2x 10Gb SFP+ Network Daughter Card
Ports & slots
Network ports4 x Ports
Expansion card slotsUp to 13 PCIe Gen 3 Slots, 3x PCIe x8, and 10 x PCIe 3.0 x16 slots
Management interfaceRJ 45
Power
Hot-swap redundant PSUYes
Size & build
Rack height3U
Software
Operating systemNo

Other versions of this model

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Questions about this item

Should I choose the four-processor configuration or a lower-count option?

The system ships with four Intel Xeon Gold 6148 processors, each 20 cores at 2.4 GHz with 3.7 GHz turbo, filling every socket the board supports.

What does 512 GB of DDR4 2666 MHz memory mean for actual workloads?

Sixteen 32 GB registered ECC modules occupy 16 of the 48 slots, leaving room to grow to the 6 TB maximum.

How does the PERC H730P 12 Gb/s SAS controller limit drive performance?

The controller caps each SAS lane at 12 Gb/s and supports RAID 0, 1, 5, 6, 10, 50, 60 plus pass-through for the installed 300 GB 10K drives.

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