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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 64GB DDR4 8x 400GB SSD H730P

SKU CH-RY7F-E33XP

A 1U dual-socket rack server with two 20-core Xeon Gold 6148 CPUs, 64GB DDR4, eight 400GB SATA SSDs on an H730P controller, quad-port 1GbE and 10Gb SFP+ networking, iDRAC9 Enterprise.

  • 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
  • 64 GB DDR4 registered ECC memory across four 16 GB modules
  • PERC H730P 2 GB controller supports RAID 0, 1, 5, 6, 10, 50, 60
  • Eight 400 GB SATA SSDs provide high-speed flash storage in 2.5-inch bays
  • iDRAC9 Enterprise enables full remote management with dedicated network connectivity

Dense 1U dual-socket server

The Dell PowerEdge R640 is a 1U rack server built for dense scale-out data centre computing. It ships with two Intel Xeon Gold 6148 processors, each running at 2.4 GHz with 20 cores. The system includes 64 GB of DDR4 registered ECC memory across 24 DIMM slots. Eight 400 GB SATA SSDs are installed behind the PERC H730P RAID controller.

Suits virtualisation and databases.

This configuration suits virtualisation clusters, database nodes and high-density compute farms that need dual-socket performance in a single rack unit. The quad-port 10GbE and 1GbE network daughter card supports heavy east-west traffic. Buyers who need GPU acceleration or more than 3 TB of memory should look at a different platform. The 750 W redundant power supplies support the installed components only.

PERC H730P RAID controller with 2 GB cache

The Dell PERC H730P storage controller provides 2 GB of battery-backed cache and supports RAID 0, 1, 5, 6, 10, 50 and 60 plus pass-through mode. It manages the eight 400 GB SATA SSDs over a 12 Gb/s SAS/SATA interface. This controller choice determines the RAID levels and drive throughput available to the operating system.

Highlights

  • Dual 20-core Xeon Gold 6148 CPUs deliver 40 threads at 2.4 GHz base
  • 64 GB DDR4 registered ECC memory across four 16 GB modules
  • PERC H730P 2 GB controller supports RAID 0, 1, 5, 6, 10, 50, 60
  • Eight 400 GB SATA SSDs provide high-speed flash storage in 2.5-inch bays
  • iDRAC9 Enterprise enables full remote management with dedicated network connectivity

Specifications

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 Size64GB
Memory TypeDDR4
Max Memory Capacity3TB
Number of Memory Slots24
Storage ControllerDell Perc H730P 2GB Controller
HDD InterfaceSATA
SSD (Installed)8 x 400GB SATA SSD
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

Other versions of this model

5 more in the same range

Same family, different memory, cooler or clock — compare before you commit.

Questions about this item

How do I install the 400 GB SATA SSDs into the 8-bay 2.5 inch front drive cage and what step is often missed?

Slide each SSD into a hot-swap tray until the latch clicks, then insert the tray into the bay until it locks; the step often missed is seating the tray firmly so the backplane connector fully engages.

What maintenance will the PERC H730P 2 GB cache battery need later?

The battery-backed write cache on the H730P controller will eventually require replacement when the battery health status reports degraded capacity.

What is the first limit reached under sustained full-load operation with the 750 W redundant power supplies?

The 750 W redundant PSUs set the power ceiling; sustained full CPU and drive load will hit that wattage limit before thermal throttling occurs.

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