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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 6142 2.6GHz 16-core 768GB DDR4 8x 400GB SSD H730P

SKU CH-F7B9-PZMFS

1U rack server with dual 16-core Xeon Gold 6142 CPUs, 768GB DDR4 ECC memory, eight 400GB SATA SSDs on a PERC H730P RAID controller.

  • ProcessorIntel Xeon
  • Installed RAM768 GB
  • Video RAM8 MB
  • Installed SSD8 × 400 GB SATA SSD
  • ChipsetIntel C620
  • Processor core count16-Core Processor
  • 32 cores at 2.6 GHz with 3.7 GHz turbo for dense compute
  • 768 GB DDR4 ECC across 24 slots supports large in-memory workloads
  • H730P 2 GB controller enables RAID 0/1/5/6/10/50/60 on 8 bays
  • 8 × 400 GB SATA SSDs deliver fast read-heavy storage density
  • iDRAC 9 Enterprise plus redundant 750 W PSUs simplify remote management and uptime

Purpose-built 1U density

This Dell PowerEdge R640 is a 1U rack server designed for dense scale-out data centre computing. It ships with two Intel Xeon Gold 6142 processors, each running at 2.6 GHz with 16 cores. The system includes 768 GB of DDR4 registered ECC memory and eight 400 GB SATA SSDs managed by a PERC H730P controller with 2 GB cache.

Fit and alternatives

The configuration suits workloads that need high core counts and fast local storage in a single rack unit. Buyers who need more than 24 memory slots, more than eight 2.5-inch drive bays, or a different storage interface should look at other platforms. The server is not for environments that require GPU acceleration or larger form-factor expansion cards.

Deciding specification

The installed memory capacity of 768 GB across 24 populated DDR4 slots is the key figure for capacity planning. With all slots filled, further memory upgrades require replacing existing 32 GB modules. Verify that your application can operate within this limit before purchase.

How it compares

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

Price $4,272.99
Pricier than about 73% of the 17,641 comparable items (median $1,910.99).
Installed RAM 768 GB
Higher than about 90% 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 count16-Core Processor
Processor socketLGA 3647
ChipsetIntel C620
Processor speed2.6 GHz
Installed CPUs2
Max supported CPUs2
Memory
Installed RAM768 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

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