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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 2× Xeon Gold 6148 2.4 GHz 20-core 64GB DDR4 2× 300GB SAS H730P

SKU CH-93SC-J2HEW

Dual 20-core Xeon 1U server with 64GB DDR4, PERC H730P RAID, dual 300GB SAS drives and quad-port 1GbE/10Gb SFP+ 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 total cores for dense compute
  • 64GB DDR4 2666MHz registered ECC memory supports up to 3TB capacity across 24 slots
  • PERC H730P 2GB controller enables RAID 0/1/5/6/10/50/60 with battery-backed cache
  • Dual 300GB 10K SAS drives plus quad-port 1GbE/10GbE SFP+ networking for fast I/O
  • iDRAC9 Enterprise remote management with redundant 750W platinum PSUs in 1U chassis

Dense 1U dual-socket compute platform

The Dell PowerEdge R640 is a 1U rack server built for scale-out data-center workloads. Two Intel Xeon Gold 6148 processors provide 40 total cores at 2.4 GHz with 3.7 GHz turbo. The system ships with 64 GB of DDR4-2666 registered ECC memory across four modules.

Suits dense virtualization and database clusters

This configuration targets environments that need high core density and fast storage I/O in a single rack unit. The PERC H730P controller with 2 GB cache supports RAID 0/1/5/6/10/50/60 for the two included 300 GB 10K SAS drives. Buyers who need more internal drive bays or larger installed capacity should look at a different chassis.

Dual Xeon Gold 6148 20-core CPUs define throughput

The pair of 20-core processors delivers 40 threads at 2.4 GHz base frequency, setting the performance ceiling for compute-heavy tasks. Memory can expand to 3 TB across 24 DDR4 slots when workloads grow. The quad-port X520/I350 network daughter card adds two 1 GbE and two 10 Gb SFP+ links.

Highlights

  • Dual 20-core Xeon Gold 6148 CPUs deliver 40 total cores for dense compute
  • 64GB DDR4 2666MHz registered ECC memory supports up to 3TB capacity across 24 slots
  • PERC H730P 2GB controller enables RAID 0/1/5/6/10/50/60 with battery-backed cache
  • Dual 300GB 10K SAS drives plus quad-port 1GbE/10GbE SFP+ networking for fast I/O
  • iDRAC9 Enterprise remote management with redundant 750W platinum PSUs in 1U chassis

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 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

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

Should I pick the 2.5-inch 300 GB 10 K SAS drives or add larger SAS or SATA drives later?

The server ships with two 300 GB 10 K SAS drives; the eight 2.5-inch bays and the H730P controller accept any mix of SAS or SATA drives up to the bay count.

What does the 3.7 GHz turbo speed mean when both 20-core Xeon Gold 6148 processors are under load?

Each 20-core CPU has a 2.4 GHz base clock and can reach 3.7 GHz turbo on active cores, giving up to 40 threads at elevated frequency when thermals allow.

How does the 12 Gb/s SAS H730P controller limit real-world drive throughput?

The PERC H730P runs at 12 Gb/s per SAS lane and supports RAID 0, 1, 5, 6, 10, 50 and 60, so sequential throughput is capped by the drive media and the 12 Gb/s link.

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