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Silver 1U rack chassis with four front 3.5 inch drive bays

DELL

DELL PowerEdge R640 4LFF 1x Xeon Platinum 8268 16GB DDR4 rack server

SKU CH-KJ1D-FR4RZ

A 1U rack server with four 3.5-inch drive bays, a 2.9 GHz Xeon Platinum 8268, 16GB DDR4, and a PERC H740P controller

  • ProcessorIntel Xeon
  • Installed RAM16 GB
  • Type of memoryDDR4
  • Processor speed2.9 GHz
  • Installed CPUs1
  • Max supported CPUs2
  • 24-core Xeon Platinum 8268 at 2.9 GHz delivers high compute density
  • Four 3.5-inch drive bays with PERC H740P RAID controller enable flexible storage
  • 16 GB DDR4 ECC memory installed supports reliable virtualization workloads
  • Dual 750 W power supplies and iDRAC9 Enterprise provide resilient remote management
  • 10 GbE 562T dual-port adapter ensures fast network throughput

Dell PowerEdge R640 4LFF rack server

This 1U rack server ships with a single Intel Xeon Platinum 8268 processor running at 2.9 GHz and 16 GB of DDR4 ECC registered memory. It includes a PERC H740P RAID controller and a dual-port 10 GbE 562T network adapter for connectivity. The chassis provides four 3.5-inch drive bays ready for SATA hard drives.

Drive bays and memory ceiling

Four 3.5-inch bays limit internal storage to the number of SATA drives that physically fit, while the board supports up to 7.68 TB of DDR4 across all slots. The installed 16 GB uses a fraction of that capacity, leaving room for expansion if the workload demands it. A second processor socket is available but unpopulated in this configuration.

Single Platinum 8268 processor

The unit contains one 24-core Xeon Platinum 8268 CPU with 35.75 MB cache; maximum performance requires a second matching processor. Buyers needing dual-socket throughput or higher core counts out of the box should look elsewhere.

How it compares

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

Price $1,145.99
Cheaper than about 69% of the 17,641 comparable items (median $1,910.99).
Installed RAM 16 GB
Lower than about 90% of the 15,103 comparable items (median 128 GB).
Processor speed 2.9 GHz
Higher than about 88% 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 speed2.9 GHz
Installed CPUs1
Max supported CPUs2
Memory
Installed RAM16 GB
Type of memoryDDR4
Maximum RAM capacity7.68 TB
Storage
Installed storage24,00
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

Should I pick the 4LFF chassis or a different bay layout for this R640?

The 4LFF chassis fits four 3.5" drives, so choose it when you need high-capacity SATA storage in a 1U rack server.

What does the 2.9 GHz Xeon Platinum 8268 deliver in this server?

One 24-core processor at 2.9 GHz with 35.75 MB cache provides strong multi-threaded performance for virtualization and database workloads.

How does the PERC H740P controller limit the SATA drives I can use?

The H740P manages RAID across the four 3.5" bays using SATA, capping each drive at the SATA interface speed.

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