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

DELL

DELL PowerEdge R640 1U Rack Server 2x Xeon Gold 6148 20-Core 2.4GHz 512GB DDR4 2x 300GB SAS H730P

SKU CH-0E3T-JA6FK

Dual 20-core Xeon Gold 6148 server with 512GB DDR4, PERC H730P RAID, dual 300GB SAS drives, quad-port 1GbE/10GbE and iDRAC9 Enterprise in 1U

  • 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 and 3.7 GHz turbo
  • 512 GB DDR4 ECC memory across 16 slots supports up to 3 TB total capacity
  • PERC H730P 2 GB cache controller enables RAID 0 1 5 6 10 50 60 for 2× 300 GB 10 K SAS drives
  • Quad-port X520/I350 network card provides two 1 GbE and two 10 Gb SFP+ links
  • iDRAC9 Enterprise plus dual 750 W platinum PSUs give remote management and redundant power

Dense 1U dual-socket platform

The Dell PowerEdge R640 is a 1U rack server built for dense scale-out data centre computing. It carries two Intel Xeon Gold 6148 20-core processors running at 2.4 GHz with 3.7 GHz turbo, plus 512 GB of DDR4 2666 MHz registered ECC memory across 16 DIMM slots. The PERC H730P controller manages SAS and SATA drives with RAID 0, 1, 5, 6, 10, 50 and 60 support.

Redundant 750 W platinum supplies

Twin hot-swap 750 W platinum-efficiency power supplies share the load and provide full redundancy in normal operation. The Intel X520/I350 quad-port daughter card delivers two 1 GbE and two 10 Gb SFP+ links without extra cards. iDRAC 9 Enterprise gives dedicated remote management access even when the host is powered down.

Sustained density workloads

The 1U chassis is designed for continuous density workloads rather than short bursts, with cooling tuned for dual 20-core CPUs at base frequency. Storage throughput relies on the two 300 GB 10 K SAS drives and the H730P 2 GB cache for sustained RAID performance. Memory capacity can scale to 3 TB across 24 slots when the application demands more than the installed 512 GB.

Points forts

  • Dual 20-core Xeon Gold 6148 CPUs deliver 40 threads at 2.4 GHz base and 3.7 GHz turbo
  • 512 GB DDR4 ECC memory across 16 slots supports up to 3 TB total capacity
  • PERC H730P 2 GB cache controller enables RAID 0 1 5 6 10 50 60 for 2× 300 GB 10 K SAS drives
  • Quad-port X520/I350 network card provides two 1 GbE and two 10 Gb SFP+ links
  • iDRAC9 Enterprise plus dual 750 W platinum PSUs give remote management and redundant power

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 Size512GB
Memory TypeDDR4
Max Memory Capacity3TB
Number of Memory Slots24
Storage ControllerDell Perc H730P 2GB Controller
HDD InterfaceSAS
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 Dell PERC H730P controller and the 300GB SAS drives in the 8-bay 2.5" chassis?

Mount each 300GB 10K SAS drive in a 2.5" hot-swap carrier, slide the carriers into the front 8 bays until they click, then seat the H730P 2GB controller in its dedicated internal slot and connect the SAS cables to the backplane; the step often missed is inserting the controller battery into its holder before closing the chassis.

What maintenance or replacement will the H730P controller battery and the 750W power supplies need later?

The PERC H730P 2GB controller uses a replaceable battery to protect cached writes; plan to swap it every 3–5 years. The redundant 750W Platinum hot-swap PSUs can be replaced individually without downtime if a unit fails or efficiency drops.

What thermal or power limit appears first when both Xeon Gold 6148 CPUs run sustained 20-core workloads?

With two 20-core Xeon Gold 6148 processors at 2.4GHz (3.7GHz Turbo) in a 1U chassis cooled by dual 750W PSUs, the 1U airflow envelope typically hits its thermal ceiling before the power budget, causing the CPUs to throttle from Turbo back toward base frequency.

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