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Silver 1U rack server front with eight drive bays and rail kit

DELL

DELL PowerEdge R640 1U rack server, dual Xeon 6148 2.40 GHz, 512GB DDR4, 15.36TB SSD

SKU CH-A77K-K77NM

1U rack server with dual 20-core Xeon Gold 6148 CPUs, 512GB DDR4 memory, 15.36TB enterprise SSD storage and redundant power

  • TypeRack
  • Dual 20-core Xeon 6148 CPUs deliver 40 threads for heavy workloads
  • 512 GB DDR4 3200 MHz memory supports large virtualisation environments
  • 36 TB enterprise SSD storage provides high-capacity fast data access
  • PERC H730 RAID controller with 2 GB cache protects data integrity
  • Redundant power supplies and iDRAC9 remote management maximise uptime

Dense 1U compute node

The Dell PowerEdge R640 is a 1U rack server built for virtualization, private cloud and high-performance computing workloads. Dual Xeon Gold 6148 processors provide 40 cores at 2.40 GHz with turbo up to 3.70 GHz, backed by 512 GB of DDR4 memory. Eight 1.92 TB SATA SSDs deliver 15.36 TB of enterprise storage behind a PERC H730 RAID controller.

Fits scale-out clusters, not GPU farms

This server suits teams that need dense CPU and memory capacity with redundant power and iDRAC9 remote management. Buyers who require GPU acceleration, more than eight drive bays or a different operating system should look elsewhere. The included Windows Server 2022 Standard licence covers 16 cores, so larger core-count deployments need additional licensing.

40 cores and 512 GB DDR4 decide the fit

The dual Xeon Gold 6148 configuration delivers 40 cores and 27.5 MB cache per processor, while the 16 DIMM slots are fully populated with 32 GB modules at 3200 MHz. If your workload demands that core count and memory footprint, this node matches; if it does not, a smaller configuration will cost less.

Points forts

  • Dual 20-core Xeon 6148 CPUs deliver 40 threads for heavy workloads
  • 512 GB DDR4 3200 MHz memory supports large virtualisation environments
  • 36 TB enterprise SSD storage provides high-capacity fast data access
  • PERC H730 RAID controller with 2 GB cache protects data integrity
  • Redundant power supplies and iDRAC9 remote management maximise uptime

Caractéristiques

TypeRack

Questions sur cet article

What rack space and rails does the 1U R640 need?

The server occupies one rack unit and ships with a rail kit for standard square-hole or threaded racks; verify rail depth matches your cabinet before mounting.

How are the processors and memory installed, and what step is often missed?

Two Xeon Gold 6148 CPUs and sixteen 32 GB DDR4 modules are supplied separately; install both processors first, then populate all sixteen DIMM slots in the correct channel order or the system will not post.

Which components will need replacement over the life of the server?

Hot-swap the redundant power supplies or any of the eight 1.92 TB SATA SSDs without downtime; the PERC H730 controller battery and CMOS cell are the only non-hot-swap parts that age out.

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