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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 Gold 6148 2.4GHz 20-core 768GB DDR4 H730P

SKU CH-11C2-GCQHR

1U rack server with dual 20-core Xeon Gold 6148 processors, 768 GB DDR4 ECC memory, PERC H730P RAID controller, eight 2.5" drive bays, quad-port 1/10 GbE networking.

  • TypeRack
  • Rack Height1U
  • Redundant Hot-swap PowerYes
  • CPU TypeIntel Xeon
  • CPU Speed2.40 GHz
  • CPU SocketLGA 3647
  • Dual 20-core Xeon Gold 6148 CPUs deliver 40 threads at 2.4 GHz base with 3.7 GHz turbo
  • 768 GB DDR4 2666 MHz registered ECC memory across 24 slots supports up to 3 TB capacity
  • PERC H730P 2 GB controller enables RAID 0, 1, 5, 6, 10, 50, 60 and pass-through modes
  • Quad-port X520/I350 daughter card provides two 1 GbE and two 10 Gb SFP+ connections
  • iDRAC9 Enterprise plus dual 750 W platinum redundant supplies ensure remote management and power resilience

Dual-socket 1U compute density

The Dell PowerEdge R640 is a 1U rack server built for scale-out data centre workloads. It ships with two Intel Xeon Gold 6148 processors, each running at 2.4 GHz with 20 cores and a 3.7 GHz turbo frequency. The system includes 768 GB of DDR4 2666 MHz registered ECC memory across 24 DIMM slots. It is designed for organisations that need high core counts in a compact form factor.

Redundant platinum power and thermal design

Two hot-swap 750 W platinum-efficiency power supplies provide full redundancy for continuous operation. The 1U chassis uses Dell’s engineered airflow path to cool both CPUs, the PERC H730P controller and the X520/I350 network daughter card under sustained load. Fan speeds are managed by iDRAC 9 Enterprise to balance acoustic output with thermal headroom in dense rack rows.

Storage trays, networking and remote management

Eight 2.5-inch SAS/SATA drive trays are pre-installed without drives, allowing flexible capacity planning. The PERC H730P 2 GB controller supports RAID 0, 1, 5, 6, 10, 50 and 60 plus pass-through mode. A quad-port network daughter card delivers two 1 GbE and two 10 Gb SFP+ connections. iDRAC 9 Enterprise enables full out-of-band management, while ReadyRails and a front bezel are included for immediate rack mounting.

Points forts

  • Dual 20-core Xeon Gold 6148 CPUs deliver 40 threads at 2.4 GHz base with 3.7 GHz turbo
  • 768 GB DDR4 2666 MHz registered ECC memory across 24 slots supports up to 3 TB capacity
  • PERC H730P 2 GB controller enables RAID 0, 1, 5, 6, 10, 50, 60 and pass-through modes
  • Quad-port X520/I350 daughter card provides two 1 GbE and two 10 Gb SFP+ connections
  • iDRAC9 Enterprise plus dual 750 W platinum redundant supplies 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 Size768GB
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" drives into the 8 front bays, and what step is often missed?

Slide each drive into a tray until the latch clicks, then insert the tray until it locks; the step often missed is seating the tray fully so the backplane connector engages.

Which components will need replacement first under continuous operation?

The two 750 W platinum power supplies and the system fans are hot-swap parts designed for replacement without downtime.

What thermal or power limit appears first when both Xeon Gold 6148 CPUs run at 3.7 GHz turbo continuously?

The 750 W redundant power supplies set the ceiling; sustained all-core turbo on both 20-core processors can exceed their combined output before thermal throttling activates.

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