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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 2× Xeon Gold 6148 2.4 GHz 20-core 768 GB DDR4 8× 400 GB SSD H730P

SKU CH-9JA1-RJPMT

A 1U rack server with two 20-core Xeon Gold 6148 processors at 2.4 GHz, 768 GB DDR4, eight 400 GB SATA SSDs on a H730P controller and redundant 750 W power supplies

  • TypeRack
  • Rack Height1U
  • Redundant Hot-swap PowerYes
  • CPU TypeIntel Xeon
  • CPU Speed2.40 GHz
  • CPU SocketLGA 3647
  • Dual Xeon Gold 6148 CPUs deliver 40 cores at 2.4 GHz base and 3.7 GHz turbo
  • 768 GB DDR4 2666 MHz registered ECC memory across 24 slots supports heavy workloads
  • PERC H730P 2 GB controller enables RAID 0, 1, 5, 6, 10, 50, 60 with battery-backed cache
  • Eight 400 GB SATA SSDs give fast solid-state capacity in the 8-bay 2.5 inch chassis
  • iDRAC9 Enterprise plus quad-port 1 GbE and 10 GbE SFP+ networking provide full remote management

Dense scale-out platform

The Dell PowerEdge R640 is a 1U rack server built for dense scale-out data center computing. Two Intel Xeon Gold 6148 processors deliver 20 cores each at 2.40 GHz with 3.7 GHz turbo. The system ships with 768 GB of DDR4 2666 MHz registered ECC memory across 24 slots. It targets workloads that need high core counts and large memory in a single rack unit.

Storage and networking limits

The PERC H730P controller supports RAID 0, 1, 5, 6, 10, 50, 60 and pass-through with a 2 GB cache. Eight 400 GB SATA 6 Gb/s 2.5-inch SSDs occupy all front drive bays. Network connectivity uses an Intel X520/I350 daughter card providing two 1 GbE and two 10 Gb SFP+ ports. No additional internal drive bays or PCIe slots are available in this 1U chassis.

Pre-order checks

Verify that your rack accepts 1U depth and the included ready rails. Confirm the two 750 W platinum power supplies match your PDU connectors and voltage. Ensure iDRAC 9 Enterprise remote management integrates with your existing monitoring tools. The system supports a maximum of 3 TB DDR4 across 24 slots if future expansion is planned.

Points forts

  • Dual Xeon Gold 6148 CPUs deliver 40 cores at 2.4 GHz base and 3.7 GHz turbo
  • 768 GB DDR4 2666 MHz registered ECC memory across 24 slots supports heavy workloads
  • PERC H730P 2 GB controller enables RAID 0, 1, 5, 6, 10, 50, 60 with battery-backed cache
  • Eight 400 GB SATA SSDs give fast solid-state capacity in the 8-bay 2.5 inch chassis
  • iDRAC9 Enterprise plus quad-port 1 GbE and 10 GbE SFP+ networking provide full remote management

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
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

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Questions sur cet article

Should I choose the eight 400 GB SSDs or add larger drives later?

Eight 400 GB SATA SSDs are factory installed; the PERC H730P controller supports SAS and SATA drives for future expansion.

What does the 2.4 GHz base clock with 3.7 GHz turbo mean for sustained workloads?

Each Xeon Gold 6148 runs at 2.4 GHz base and can reach 3.7 GHz turbo across its 20 cores, giving 40 threads total for compute-intensive tasks.

How does the 12 Gb/s SAS controller cap real-world SSD throughput?

The H730P 12 Gb/s SAS/SATA controller connects the eight SATA 6 Gb/s SSDs, so each drive is limited to the SATA 6 Gb/s link speed.

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