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Silver 1U rack server front with eight 2.5-inch drive bays and bezel

DELL

DELL PowerEdge R640 1U Rack Server 2x Xeon Silver 4110 2.1GHz 8-Core 64GB DDR4 H730P 8x 1.2TB SAS

SKU CH-XR0T-AZMBK

A 1U rack server with dual Xeon Silver 4110 2.1 GHz 8-core CPUs, 64 GB DDR4, PERC H730P RAID and eight 1.2 TB SAS drives

  • ProcessorIntel Xeon
  • Installed RAM64 GB
  • Video RAM8 MB
  • Installed SSDNo
  • ChipsetIntel C620
  • Processor core count8-Core Processor
  • Dual Xeon Silver 4110 processors deliver 16 cores at 2.1 GHz
  • 64 GB DDR4 registered ECC memory supports up to 3 TB capacity
  • PERC H730P controller enables RAID 0 1 5 6 10 50 60 with 2 GB cache
  • Eight 1.2 TB 10 K SAS drives provide high-speed 2.5 inch storage
  • Quad-port X520 I350 card adds two 1 GbE and two 10 Gb SFP+ links

Dense 1U Dual-Socket Platform

The PowerEdge R640 is a 1U rack server built for dense scale-out data center computing. It ships with two Intel Xeon Silver 4110 processors, each running at 2.1 GHz with 8 cores. The system includes 64 GB of DDR4 registered ECC memory across four 16 GB modules. This configuration targets workloads that need high compute density in a single rack unit.

H730P Controller and Network Daughter Card

The Dell PERC H730P 2 GB storage controller supports RAID 0, 1, 5, 6, 10, 50 and 60 plus pass-through mode. It manages eight 1.2 TB 10K SAS drives installed in the 2.5-inch bays. The Intel X520/I350 daughter card adds two 1 GbE ports and two 10 Gb SFP+ ports for flexible network connectivity. iDRAC 9 Enterprise provides dedicated remote management.

SAS 12 Gb/s Interface and Dual-CPU Ceiling

The SAS backplane operates at 12 Gb/s, limiting drive throughput to that bus speed. Only two processor sockets exist, so the system cannot scale beyond the installed pair of Xeon Silver 4110 CPUs. Memory capacity tops out at 3 TB across 24 slots, but the current 64 GB uses just four slots. The 1U form factor restricts expansion to low-profile cards only.

How it compares

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

Price $867.99
Cheaper than about 78% of the 17,641 comparable items (median $1,910.99).
Installed RAM 64 GB
Lower than about 70% of the 15,103 comparable items (median 128 GB).
Video RAM 8 MB
Typical for this category: the median of 8,309 items is 0.01 GB.

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Specifications

Product
Brand nameDELL
Product linePowerEdge R640
Model nameR640
Product typeRack
Processor
ProcessorIntel Xeon
Processor core count8-Core Processor
Processor socketLGA 3647
ChipsetIntel C620
Processor speed2.1 GHz
Installed CPUs2
Max supported CPUs2
Memory
Installed RAM64 GB
Type of memoryDDR4
Maximum RAM capacity3 TB
Memory slot count24
Storage
Installed SSDNo
Disk controllerDell Perc H730P 2 GB Controller
Drive interfaceSAS
Supported RAID levelsRAID 0/1/5/6/10/50/60
Graphics
Video RAM8 MB
Graphics chipMatrox G200
Connectivity
Network controllerDell Intel X520/I350 Quad Port 2x 1GbE 2x 10Gb SFP+ Network Daughter Card
Ports & slots
Network ports4 x Ports
Expansion card slotsUp to 3 PCIe Gen 3 slots all x16
Management interfaceRJ 45
Power
Hot-swap redundant PSUYes
Size & build
Rack height1U
Software
Operating systemNo

Other versions of this model

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Questions about this item

How often should the PERC H730P controller battery be checked or replaced?

The PERC H730P includes a 2 GB cache battery; plan to test it annually and replace it every three to five years to keep write-back caching protected.

Which component reaches its limit first when all eight 1.2 TB 10 K SAS drives run sustained write workloads?

The 12 Gb/s SAS backplane and H730P controller set the sustained throughput ceiling before the dual 2.1 GHz Xeon Silver 4110 CPUs or 64 GB DDR4 memory become bottlenecks.

What noise and heat levels should I expect from the dual 750 W platinum PSUs and fans during 24/7 operation?

Redundant 750 W platinum supplies and 1U high-speed fans keep the chassis within spec, but the rack will emit noticeable airflow noise and exhaust heat under continuous load.

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