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Dell PowerEdge R640 1U rack server, black metal chassis, four 3.5 inch drive bays front

DELL

DELL PowerEdge R640 4x3.5" 1x Xeon Gold 5120 128GB DDR4

SKU CH-38JV-X2NMB

A 1U rack server holding four 3.5-inch drive bays with a 14-core Xeon Gold 5120 at 2.2GHz and 128GB DDR4 ECC memory

  • ProcessorIntel Xeon
  • Installed RAM128 GB
  • Type of memoryDDR4
  • Processor speed2.2 GHz
  • Installed CPUs1
  • Max supported CPUs2
  • 14-core Xeon Gold 5120 at 2.2 GHz for multi-threaded performance
  • 128 GB DDR4 ECC memory supports large virtualisation workloads
  • Four 3.5-inch drive bays with PERC H740P RAID controller for flexible storage
  • Dual 750 W power supplies provide redundancy for continuous uptime
  • iDRAC9 Enterprise remote management enables out-of-band server control

Dell PowerEdge R640 4x3.5" Server

The Dell PowerEdge R640 is a 1U rack-mount server designed for virtualisation, database and general compute workloads. It arrives with a single Intel Xeon Gold 5120 processor running at 2.2 GHz with 14 cores and 128 GB of DDR4 ECC registered memory installed. The chassis supports up to four 3.5-inch SATA drive bays and a second processor socket for future expansion.

PERC H740P RAID Controller and iDRAC9 Enterprise

The Dell PERC H740P hardware RAID controller manages the SATA drives with cache-backed redundancy options. The iDRAC9 Enterprise licence provides full remote management including virtual console, power control and hardware health monitoring over a dedicated network port. Two 750 W power supplies are fitted for redundant operation.

128 GB DDR4 ECC Registered Memory Installed

The system ships with 128 GB of DDR4 ECC registered memory populated across the available DIMM slots. The platform supports a maximum memory capacity of 7.68 TB when both processor sockets are occupied and all slots are filled with supported modules. No drives are installed; storage must be added separately.

How it compares

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

Price $1,344.99
Cheaper than about 63% 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 2.2 GHz
Lower than about 60% 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 speed2.2 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 many additional memory modules can be added to reach the 7.68 TB maximum?

The system has 128 GB installed and supports up to 7.68 TB total DDR4 ECC registered memory across all slots.

Will the PERC H740P controller or the four 3.5" SATA drive bays become the throughput bottleneck first?

The PERC H740P handles 12 Gb/s per port while each SATA bay is limited to 6 Gb/s, so the drive interfaces saturate before the controller.

How much acoustic output and heat do the two 750 W power supplies produce under continuous load?

Dual 750 W supplies with redundant design share the load; the iDRAC9 Enterprise remote management monitors real-time temperature and fan speed for thermal control.

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