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DELL

DELL PowerEdge R640 4LFF 1x Xeon Gold 6226 128GB DDR4

SKU CH-DT9W-ZTNHF

A 1U rack server with four 3.5-inch drive bays, a 12-core Xeon Gold 6226 at 2.7 GHz, 128 GB DDR4 ECC memory and a PERC H740P RAID controller

  • ProcessorIntel Xeon
  • Installed RAM128 GB
  • Type of memoryDDR4
  • Processor speed2.7 GHz
  • Installed CPUs1
  • Max supported CPUs2
  • 12-core Xeon Gold 6226 at 2.7 GHz for strong compute density
  • 128 GB DDR4 ECC memory supports large virtualisation workloads
  • Four 3.5-inch drive bays with PERC H740P RAID controller
  • Dual 750 W power supplies and iDRAC9 Enterprise remote management
  • 10 GbE 2-port 562T adapter enables high-throughput networking

4LFF Rack Server for Dense Storage

The Dell PowerEdge R640 in a 4-bay 3.5-inch chassis delivers a 1U rack footprint with room for four large-form-factor drives. One Intel Xeon Gold 6226 processor runs at 2.7GHz with twelve cores and 19.25 MB cache. 128GB of DDR4 ECC registered memory is installed, and the PERC H740P RAID controller manages SATA storage. Dual 750W supplies and iDRAC9 Enterprise remote management complete the platform.

Suits Storage-Heavy Workloads, Not GPU Compute

This configuration targets buyers who need high drive density in a single rack unit — virtualisation hosts, backup targets, or database nodes that benefit from 3.5-inch SATA capacity. The integrated graphics and lack of installed GPUs make it unsuitable for workloads requiring dedicated accelerator cards. Organisations needing more than one processor should note the second socket is empty but supported.

Single-Processor Xeon Gold 6226 Decides Fit

The installed Xeon Gold 6226 provides twelve cores at 2.7GHz; the second CPU socket remains vacant for future expansion. If the core count or clock speed does not match the licensing or performance profile of the intended application, the platform will not meet requirements. Memory scales to 7.68TB DDR4 across the full system, but the starting 128GB and single processor define the baseline capability.

How it compares

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

Price $1,275.99
Cheaper than about 65% of the 17,641 comparable items (median $1,910.99).
Installed RAM 128 GB
Typical for this category: the median of 15,103 items is 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 CPUs1
Max supported CPUs2
Memory
Installed RAM128 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

How much power do the dual 750W supplies draw when the R640 runs a 2.7GHz Xeon Gold 6226 at full load all day?

The system ships with two 750W power supplies; actual draw depends on the drives and add-in cards you install, so plan for the full 750W capacity per supply.

What drive caddies and SATA cables must I already own to populate the four 3.5-inch bays?

The 4LFF chassis accepts standard Dell 3.5-inch hot-plug caddies; SATA data and power cables are pre-routed to the PERC H740P backplane, so only the caddies are required.

Will my existing DDR4 ECC RDIMMs work alongside the installed 128GB in the remaining slots?

Yes, the R640 supports DDR4 ECC Registered memory up to 7.68TB; match speed and rank population rules when adding modules to the open DIMM slots.

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