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Black 1U rack server with eight 2.5 inch drive bays and front status LEDs

DELL

DELL PowerEdge R640 8B SFF 2x Xeon Gold 6154 3.0GHz 128GB DDR4 H730P X710 8x 1.2TB SAS rack server

SKU CH-KSSC-62E8W

1U rack server with dual 20-core Xeon Gold 6154 CPUs, 128GB DDR4, H730P controller and eight 1.2TB SAS drives

  • TypeRackmount
  • LEDsPower, Ethernet, USB
  • CPU TypeGold 6154
  • CPU Speed3.00GHz
  • CPU SocketLGA3647
  • Number of CPU Cores20
  • 36 cores from dual Xeon Gold 6154 CPUs power virtualization and database workloads
  • 128GB DDR4 memory supports multiple virtual machines and data-heavy applications
  • 8x 1.2TB 10K SAS drives deliver storage for OS, apps, VMs and backups
  • H730P controller simplifies array setup and day-to-day storage management
  • 8-bay 2.5" SFF chassis fits dense rack deployments with front-panel LEDs

Built for business workloads

The Dell PowerEdge R640 is a 1U rackmount server designed for file storage, virtualization, databases, backups and application hosting. Dual Intel Xeon Gold 6154 processors deliver 36 total cores at 3.00GHz to handle multi-threaded business applications. 128GB of DDR4 memory supports multiple concurrent services and virtual machines. Eight 2.5-inch drive bays come populated with 1.2TB 10K SAS drives managed by an H730P controller.

Thermals, noise and power in normal use

The system uses integrated GPU output and standard server cooling for its dual LGA3647 sockets. Front-panel LEDs show power, Ethernet and USB status for quick visual checks. The chassis weighs 60 units and fits standard rack environments. The H730P controller simplifies daily storage management without adding discrete graphics heat. Power supplies and fans are sized for the configured 36-core processor pair and eight spinning drives during typical business hours.

Behaviour under sustained load

The maximum processor count of two is already installed, so compute density is fixed at 36 cores. Memory can scale to 3TB DDR4 when workloads grow beyond the installed 128GB. Eight SAS bays are fully occupied, limiting further internal storage expansion without external enclosures. The X710 network adapter provides 10GbE connectivity for sustained data movement. The H730P RAID controller maintains array performance during continuous read and write cycles.

Highlights

  • 36 cores from dual Xeon Gold 6154 CPUs power virtualization and database workloads
  • 128GB DDR4 memory supports multiple virtual machines and data-heavy applications
  • 8x 1.2TB 10K SAS drives deliver storage for OS, apps, VMs and backups
  • H730P controller simplifies array setup and day-to-day storage management
  • 8-bay 2.5" SFF chassis fits dense rack deployments with front-panel LEDs

Specifications

BrandDELL
TypeRackmount
LEDsPower, Ethernet, USB
CPU TypeGold 6154
CPU Speed3.00GHz
CPU SocketLGA3647
Number of CPU Cores20
# of Processors Installed2
MAX Processors2
Installed Memory Size128GB
Memory TypeDDR4
Max Memory Capacity3TB
GPU TypeIntegrated
Expansion Bays8B - 8x 2.5"
Operating SystemNo
Weight60

Questions about this item

How do I install the 8 x 1.2 TB SAS drives into the 8-bay 2.5 inch chassis and what step is often missed?

Slide each drive into the hot-plug bays until the latch clicks, then use the H730P controller BIOS to create a RAID array before installing an operating system.

Which components will need replacement first during long-term operation?

The 10K SAS hard drives and the system fans are the primary wear items; the H730P battery-backed cache module may also require replacement after several years.

What thermal or power limit appears first when the dual Xeon Gold 6154 CPUs run sustained workloads?

The 20-core processors at 3.0 GHz can hit the chassis cooling capacity before reaching maximum turbo, causing clock throttling under continuous heavy load.

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