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Silver 1U rack server front with eight 2.5-inch drive bays and bezel

DELL

DELL PowerEdge R640 1U rack server 2x Xeon Gold 6148 2.4GHz 20-core 64GB DDR4 8x 400GB SSD H730P

SKU CH-RY7F-E33XP

A 1U dual-socket rack server with two 20-core Xeon Gold 6148 CPUs, 64GB DDR4, eight 400GB SATA SSDs on an H730P controller, quad-port 1GbE and 10Gb SFP+ networking, iDRAC9 Enterprise.

  • ProcessorIntel Xeon
  • Installed RAM64 GB
  • Video RAM8 MB
  • Installed SSD8 × 400 GB SATA SSD
  • ChipsetIntel C620
  • Processor core count20-Core Processor
  • Dual 20-core Xeon Gold 6148 CPUs deliver 40 threads at 2.4 GHz base
  • 64 GB DDR4 registered ECC memory across four 16 GB modules
  • PERC H730P 2 GB controller supports RAID 0, 1, 5, 6, 10, 50, 60
  • Eight 400 GB SATA SSDs provide high-speed flash storage in 2.5-inch bays
  • iDRAC9 Enterprise enables full remote management with dedicated network connectivity

Dense 1U dual-socket server

The Dell PowerEdge R640 is a 1U rack server built for dense scale-out data centre computing. It ships with two Intel Xeon Gold 6148 processors, each running at 2.4 GHz with 20 cores. The system includes 64 GB of DDR4 registered ECC memory across 24 DIMM slots. Eight 400 GB SATA SSDs are installed behind the PERC H730P RAID controller.

Suits virtualisation and databases.

This configuration suits virtualisation clusters, database nodes and high-density compute farms that need dual-socket performance in a single rack unit. The quad-port 10GbE and 1GbE network daughter card supports heavy east-west traffic. Buyers who need GPU acceleration or more than 3 TB of memory should look at a different platform. The 750 W redundant power supplies support the installed components only.

PERC H730P RAID controller with 2 GB cache

The Dell PERC H730P storage controller provides 2 GB of battery-backed cache and supports RAID 0, 1, 5, 6, 10, 50 and 60 plus pass-through mode. It manages the eight 400 GB SATA SSDs over a 12 Gb/s SAS/SATA interface. This controller choice determines the RAID levels and drive throughput available to the operating system.

How it compares

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

Price $1,120.99
Cheaper than about 70% of the 17,641 comparable items (median $1,910.99).
Installed RAM 64 GB
Lower than about 70% 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 R640
Model nameR640
Product typeRack
Processor
ProcessorIntel Xeon
Processor core count20-Core Processor
Processor socketLGA 3647
ChipsetIntel C620
Processor speed2.4 GHz
Installed CPUs2
Max supported CPUs2
Memory
Installed RAM64 GB
Type of memoryDDR4
Maximum RAM capacity3 TB
Memory slot count24
Storage
Installed SSD8 × 400 GB SATA SSD
Disk controllerDell Perc H730P 2 GB Controller
Drive interfaceSATA
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 3 PCIe Gen 3 slots all x16
Management interfaceRJ 45
Power
Hot-swap redundant PSUYes
Size & build
Rack height1U
Software
Operating systemNo

Other versions of this model

5 more in the same range

Questions about this item

How do I install the 400 GB SATA SSDs into the 8-bay 2.5 inch front drive cage and what step is often missed?

Slide each SSD into a hot-swap tray until the latch clicks, then insert the tray into the bay until it locks; the step often missed is seating the tray firmly so the backplane connector fully engages.

What maintenance will the PERC H730P 2 GB cache battery need later?

The battery-backed write cache on the H730P controller will eventually require replacement when the battery health status reports degraded capacity.

What is the first limit reached under sustained full-load operation with the 750 W redundant power supplies?

The 750 W redundant PSUs set the power ceiling; sustained full CPU and drive load will hit that wattage limit before thermal throttling occurs.

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