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Silver rack-mount server chassis with four 3.5-inch drive bays visible at the front

DELL

DELL PowerEdge R640 4LFF Xeon Gold 6126 128GB DDR4

SKU CH-MCE5-C6HGC

A 1U rack server holding four 3.5-inch drives with one Xeon Gold 6126 at 2.6GHz, 128GB DDR4 and a PERC H740P controller

  • ProcessorIntel Xeon
  • Installed RAM128 GB
  • Type of memoryDDR4
  • Processor speed2.6 GHz
  • Installed CPUs1
  • Max supported CPUs2
  • 12-core Xeon Gold 6126 at 2.6 GHz for demanding workloads
  • 128 GB DDR4 ECC registered memory supports large datasets
  • PERC H740P RAID controller enables flexible storage arrays
  • Four 3.5" drive bays ready for SATA capacity expansion
  • iDRAC9 Enterprise remote management simplifies server administration

Dell PowerEdge R640 4LFF Server

This Dell PowerEdge R640 server ships in a 4LFF chassis with a single Intel Xeon Gold 6126 processor running at 2.6GHz and 128GB of DDR4 ECC registered memory. A PERC H740P RAID controller and a 10Gb dual-port 562T network adapter are installed. The unit includes two 750W power supplies and iDRAC9 Enterprise remote management.

Suited for memory-intensive workloads

This configuration fits buyers who need large DDR4 capacity and 10Gb networking in a 1U rack form factor with four 3.5-inch drive bays. It is not for buyers who require a second processor installed, pre-populated storage drives, GPU acceleration, or a different drive bay count or form factor.

Deciding spec: four 3.5-inch drive bays

The chassis provides exactly four 3.5-inch bays wired for SATA drives through the PERC H740P controller. If your deployment needs more bays, a 2.5-inch bay layout, or a different drive interface, this server will not match the requirement.

How it compares

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

Price $1,253.99
Cheaper than about 66% 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 2.6 GHz
Higher than about 80% 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 speed2.6 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

Will the 128GB DDR4 memory need expansion beyond the 24 slots to reach the 7.68TB maximum?

The R640 supports up to 7.68TB across 24 DDR4 slots; 128GB uses only a fraction of that capacity.

Does the single Xeon Gold 6126 at 2.6GHz become the bottleneck before the second CPU socket is filled?

With one 12-core 6126 installed, the second socket remains empty, so compute limits appear before the dual-socket ceiling.

How loud and hot do the dual 750W supplies and 10GbE adapter run during 24/7 operation?

Dual 750W units and the 562T 10GbE adapter are cooled by the chassis fans; noise and heat scale with total load.

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