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Silver rack-mount server chassis with four 3.5-inch drive bays

DELL

DELL PowerEdge R640 4LFF 2x Xeon Gold 6226 768GB DDR4

SKU CH-G1C5-DBT8W

A 1U rack server with dual 12-core Xeon Gold 6226 CPUs at 2.7 GHz, 768 GB DDR4 ECC memory, a PERC H740P RAID controller and four 3.5-inch drive bays, sold without drives

  • ProcessorIntel Xeon
  • Installed RAM768 GB
  • Type of memoryDDR4
  • Processor speed2.7 GHz
  • Installed CPUs2
  • Max supported CPUs2
  • Dual 12-core Xeon 6226 CPUs deliver high multi-threaded throughput
  • 768 GB DDR4 ECC memory supports large virtualised workloads
  • PERC H740P RAID controller enables flexible storage arrays
  • Four 3.5-inch drive bays ready for SATA capacity expansion
  • iDRAC9 Enterprise remote management simplifies server administration

Dual-socket Xeon Gold 6226 server

The Dell PowerEdge R640 delivers two Intel Xeon Gold 6226 processors at 2.7 GHz with twelve cores each and 19.25 MB cache. It ships with 768 GB of DDR4 ECC registered memory and a PERC H740P RAID controller in a 4 LFF chassis that accepts four 3.5-inch SATA drives. The integrated iDRAC9 Enterprise remote management and a dual-port 10 GbE 562T adapter support data-centre deployment.

Before ordering check chassis depth and power

The unit measures 36 by 24 by 10 inches and weighs 40 pounds, so verify rack depth and weight capacity before installation. Two 750 W power supplies are included; confirm your PDU connectors and available U-space for the 1U form factor. No drives are installed, so plan the number and capacity of 3.5-inch SATA drives you will add. Ensure the operating system and hypervisor support the installed PERC H740P controller and iDRAC9 Enterprise licence.

Sustained load behaviour

Dual 750 W supplies and updated firmware maintain stable operation during extended compute tasks. The 768 GB DDR4 ECC memory supports long-running virtualisation and database workloads without correctable-error interruption. PERC H740P write-back cache with flash-backed protection preserves data integrity during prolonged I/O streams. iDRAC9 Enterprise provides continuous thermal and power telemetry for proactive capacity management.

How it compares

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

Price $4,024.99
Pricier than about 72% 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).
Processor speed 2.7 GHz
Higher than about 83% 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 speed2.7 GHz
Installed CPUs2
Max supported CPUs2
Memory
Installed RAM768 GB
Type of memoryDDR4
Maximum RAM capacity7.68 TB
Storage
Installed storage20,00
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

What comes inside the chassis and which parts must I source separately?

The R640 ships with two Xeon Gold 6226 processors, 768 GB of DDR4 ECC registered memory, a PERC H740P RAID controller, a dual-port 10 GbE 562T adapter and two 750 W power supplies; drives and rail kit are not included and must be ordered separately.

Should I choose the 4 LFF 3.5-inch bay version or a different drive-count model?

This specific build is the 4 LFF 3.5-inch bay configuration; it accepts up to four SATA hard drives, so select it when you need maximum 3.5-inch capacity in a 1U rack form factor.

What does the 768 GB DDR4 figure mean for actual workload capacity?

With 768 GB installed and a 7.68 TB maximum, the system can hold large in-memory databases or dense virtualisation workloads today while leaving headroom for future memory expansion.

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