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DELL

DELL PowerEdge R640 4x3.5" 1x Xeon Silver 4208 2.1GHz 256GB DDR4 No Drive

SKU CH-49PA-FY67P

A 1U rack server with four 3.5" drive bays, one Xeon Silver 4208 at 2.1GHz and 256GB DDR4 ECC memory, ready for storage configuration

  • ProcessorIntel Xeon
  • Installed RAM256 GB
  • Type of memoryDDR4
  • Processor speed2.1 GHz
  • Installed CPUs1
  • Max supported CPUs2
  • Scalable compute with 1× Xeon Silver 4208 at 2.1 GHz
  • Massive memory headroom up to 7.68 TB DDR4
  • Four 3.5″ SATA drive bays for flexible storage
  • Hardware RAID via PERC H740P controller
  • Remote management with iDRAC9 Enterprise licence

Dell PowerEdge R640 4-bay server

The Dell PowerEdge R640 is a 1U rack-mount server built for dense compute workloads. It ships with one Intel Xeon Silver 4208 processor running at 2.1 GHz and 256 GB of DDR4 ECC registered memory across sixteen slots. The chassis provides four 3.5-inch drive bays backed by a PERC H740P RAID controller. Remote management is handled by iDRAC9 with an Enterprise licence.

Suits single-socket density needs.

This configuration suits environments that need maximum memory per socket in a compact form factor. Virtualisation hosts, database nodes and high-performance computing clusters benefit from the 256 GB DDR4 capacity and 10 GbE connectivity. Buyers who require a second processor from day one, or who need more than four drive bays, should evaluate larger chassis options.

PERC H740P RAID controller defines storage

The installed PERC H740P controller manages the four SATA drive bays and provides hardware RAID acceleration with on-board cache. It determines which RAID levels are available and whether the array can survive a drive failure without performance loss. Confirm that the controller feature set matches your redundancy and throughput requirements before deployment.

How it compares

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

Price $2,187.99
Pricier than about 55% of the 17,641 comparable items (median $1,910.99).
Installed RAM 256 GB
Higher than about 60% of the 15,103 comparable items (median 128 GB).
Processor speed 2.1 GHz
Lower than about 70% of the 9,950 comparable items (median 2.3 GHz).

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Specifications

Product
Brand nameDELL
Product linePowerEdge
Model nameRack Mount
Product typeRack
Processor
ProcessorIntel Xeon
Processor speed2.1 GHz
Installed CPUs1
Max supported CPUs2
Memory
Installed RAM256 GB
Type of memoryDDR4
Maximum RAM capacity7.68 TB
Storage
Installed storage4,00
Disk controllerDell PERC H740P Controller
Drive interfaceSATA
Graphics
Graphics chipIntegrated Graphics
Size & build
Product dimensions36 × 24 × 10 in
More details
Management controlleriDRAC9 - Enterprise License

Questions about this item

Will the PERC H740P RAID controller need a battery or capacitor replacement over time?

The PERC H740P controller includes a cache backup module that may require replacement after several years of continuous operation.

What limits sustained CPU performance in this single-processor configuration?

The single Xeon Silver 4208 at 2.1GHz with 8 cores and 11MB cache sets the processing ceiling under prolonged workloads.

How much power do the dual 750W supplies draw when the server runs all day?

Two 750W power supplies provide redundancy; actual draw depends on installed drives and workload but stays within the 750W per supply rating.

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