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Silver 1U rack server with front bezel, eight 2.5-inch drive bays and redundant power supplies

DELL

DELL PowerEdge R640 1U rack server 2× Xeon Gold 6148 2.4 GHz 20-core 128GB DDR4 H730P

SKU CH-A1GC-D2VMA

1U dual-socket rack server with 20-core Xeon Gold 6148 CPUs, 128GB DDR4, H730P RAID and quad-port 1/10Gb networking

  • TypeRack
  • Rack Height1U
  • Redundant Hot-swap PowerYes
  • CPU TypeIntel Xeon
  • CPU Speed2.40 GHz
  • CPU SocketLGA 3647
  • Dual Xeon Gold 6148 20-core CPUs deliver 40 total cores for heavy workloads
  • 128 GB DDR4 2666 MHz registered ECC memory supports large datasets with error correction
  • PERC H730P 2 GB controller enables RAID 0/1/5/6/10/50/60 for flexible storage protection
  • Quad-port X520/I350 provides 2× 1 GbE and 2× 10 Gb SFP+ connectivity
  • iDRAC9 Enterprise and redundant 750 W platinum PSUs ensure remote management and power resilience

Dual-socket 1U rack server

The Dell PowerEdge R640 fits two Intel Xeon Gold 6148 processors in a single rack unit, providing 20 cores per CPU at 2.4 GHz with 3.7 GHz turbo. It ships with 128 GB of DDR4 2666 MHz registered ECC memory across 24 slots, supporting up to 3 TB total. The system targets dense scale-out workloads such as virtualization clusters, database nodes and high-performance compute farms.

Redundant 750 W platinum power supplies

Dual hot-swap 750 watt platinum-efficiency units share the load, keeping each supply in its high-efficiency band during typical operation. The 1U chassis uses front-to-rear airflow calibrated for data-centre cold-aisle temperatures, so fan speeds stay moderate under normal utilisation. The PERC H730P controller and X520/I350 quad-port network daughter card add minimal incremental heat.

Sustained turbo across all 40 cores

With both Xeon Gold 6148 CPUs active, the 3.7 GHz all-core turbo can be maintained as long as the workload keeps the package within its thermal envelope. The H730P’s 2 GB cache and battery-backed write-back accelerate sustained write streams without throttling. iDRAC 9 Enterprise provides continuous telemetry so operators can correlate power draw, temperature and performance during extended runs.

Points forts

  • Dual Xeon Gold 6148 20-core CPUs deliver 40 total cores for heavy workloads
  • 128 GB DDR4 2666 MHz registered ECC memory supports large datasets with error correction
  • PERC H730P 2 GB controller enables RAID 0/1/5/6/10/50/60 for flexible storage protection
  • Quad-port X520/I350 provides 2× 1 GbE and 2× 10 Gb SFP+ connectivity
  • iDRAC9 Enterprise and redundant 750 W platinum PSUs ensure remote management and power resilience

Caractéristiques

BrandDELL
SeriesPowerEdge R640
ModelR640
TypeRack
Rack Height1U
Redundant Hot-swap PowerYes
CPU TypeIntel Xeon
CPU Speed2.40 GHz
CPU SocketLGA 3647
Number of CPU Cores20-Core Processor
# of Processors Installed2
MAX Processors2
ChipsetIntel C620
Installed Memory Size128GB
Memory TypeDDR4
Max Memory Capacity3TB
Number of Memory Slots24
Storage ControllerDell Perc H730P 2GB Controller
HDD InterfaceSATA/SAS
SSD (Installed)No
Raid LevelRAID 0/1/5/6/10/50/60
GPU TypeMatrox G200
Video Memory8MB
Ethernet ControllerDell Intel X520/I350 Quad Port 2x 1GbE 2x 10Gb SFP+ Network Daughter Card
LAN Ports4 x Ports
Expansion SlotsUp to 3 PCIe Gen 3 slots all x16
Management PortRJ 45
Operating SystemNo
Features8 x 2.5" SATA/SAS Hot-Plug Drive Bays

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Questions sur cet article

How do I install the 2.5-inch drive trays and which step is often missed?

Slide each tray into the front bays until the latch clicks; the step often missed is seating the latch fully so the drive connects to the SAS/SATA backplane.

What maintenance will the PERC H730P controller need later?

The controller uses a battery-backed cache; plan to replace the battery module when the iDRAC 9 Enterprise console reports a degraded or failed battery status.

What limit appears first under sustained full-load operation?

Thermal headroom in the 1U chassis is the first limit; dual 750 W Platinum PSUs and system fans must keep both 20-core Xeon Gold 6148 CPUs within their temperature envelope.

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