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Silver 1U rack server with ten 2.5-inch drive bays and front bezel

DELL

DELL PowerEdge R650 1U Rack Server 2x Xeon Silver 4316 2.3GHz 20C 768GB DDR4 10x 1.92TB SSD H755 2x 1400W

SKU CH-VF0A-2KMXF

1U rack server with dual 20-core Xeon Silver 4316 CPUs, 768GB DDR4, 10× 1.92TB SATA SSDs, H755 RAID, dual 1400W PSUs

  • TypeRack
  • Rack Height1U
  • Redundant Hot-swap PowerYes
  • AI Features10 x 1.92TB SATA SSD
  • CPU TypeIntel Xeon
  • CPU Speed32
  • Dual Xeon Silver 4316 20-core CPUs at 2.3 GHz with 3.4 GHz turbo for dense compute
  • 768 GB DDR4 2666 MHz ECC memory across 24 DIMM slots for large datasets
  • PERC H755 RAID controller with 8 GB NV cache and battery supporting RAID 0/1/5/6/10/50/60
  • Ten 1.92 TB SATA SSDs in 2.5" bays for high-capacity flash storage
  • Dual 1400 W platinum PSUs with iDRAC9 Enterprise and OCP 3.0 10 GbE networking

Dense compute in 1U

The PowerEdge R650 packs two Xeon Silver 4316 processors with 20 cores each and 768GB of DDR4 2666MHz ECC memory into a single rack unit. It targets virtualization clusters, database nodes and dense private-cloud deployments that need high core counts and large memory capacity without spreading across multiple chassis. Buyers needing GPU acceleration or more than two sockets should look elsewhere.

Platinum redundant power

Dual 1400W platinum-efficiency supplies share the load and keep the system running if one unit fails. The 1U form factor limits airflow space, so the server relies on high-speed internal fans to move heat from the CPUs, memory and ten SSDs through a shallow chassis. Expect noticeable fan noise under sustained load in a typical rack aisle.

Ten-bay hot-swap storage

The front panel holds ten 2.5-inch drive bays wired for SATA and SAS, currently populated with 1.92TB enterprise SSDs behind a PERC H755 controller with 8GB NV cache and battery backup. An OCP 3.0 mezzanine card adds dual 10GbE SFP+ ports for high-speed fabric connectivity. iDRAC9 Enterprise provides dedicated remote management. PCIe expansion is constrained by the 1U height.

Highlights

  • Dual Xeon Silver 4316 20-core CPUs at 2.3 GHz with 3.4 GHz turbo for dense compute
  • 768 GB DDR4 2666 MHz ECC memory across 24 DIMM slots for large datasets
  • PERC H755 RAID controller with 8 GB NV cache and battery supporting RAID 0/1/5/6/10/50/60
  • Ten 1.92 TB SATA SSDs in 2.5" bays for high-capacity flash storage
  • Dual 1400 W platinum PSUs with iDRAC9 Enterprise and OCP 3.0 10 GbE networking

Specifications

BrandDELL
SeriesPowerEdge R650
ModelR650
Part Number2.30 GHz
TypeRack
Rack Height1U
Redundant Hot-swap PowerYes
AI Features10 x 1.92TB SATA SSD
CPU TypeIntel Xeon
CPU Speed32
CPU SocketLGA 4189
Number of CPU Cores20-Core Processor
# of Processors InstalledGold 4316
MAX Processors2
Chipset0
Installed Memory Size768GB
Memory TypeDDR4
Max Memory Capacity2TB
Storage ControllerDell Perc H755 Controller
HDD InterfaceSATA
Raid LevelRAID 0/1/5/6/10/50/60
Media Drives0
GPU TypeMatrox G200
Video Memory8MB
Ethernet ControllerDell EMC 15G Broadcom 57412 Dual Port 10GbE SFP+ OCP 3.0 Network Card
LAN Ports2 x Ports
Expansion Slots0
Management PortRJ 45
Operating SystemNo
Features10 x 2.5" SATA/SAS Hot-Plug Drive Bays

Questions about this item

How do I install the Dell PERC H755 RAID controller and the 10 SATA SSDs in the R650 1U chassis?

The H755 plugs into a PCIe Gen4 slot inside the 1U chassis; connect its mini-SAS cables to the 2.5 inch drive backplane, then slide the ten 1.92TB SSDs into the front bays and configure RAID 0, 1, 5, 6, 10, 50 or 60 in the controller BIOS.

What maintenance will the two 1400 watt platinum power supplies and the H755 battery-backed cache need?

The hot-swap power supplies can be replaced one at a time without shutdown; the H755 8GB NV cache battery is a field-replaceable unit that should be swapped when iDRAC9 reports degraded health.

Which limit appears first when the dual Xeon Silver 4316 20 core processors run sustained workloads at 3.4GHz turbo?

The 1U form factor constrains airflow, so thermal throttling of the 2.3GHz base frequency typically occurs before the 768GB DDR4 2666MHz memory bandwidth or the SATA 6Gbps drive throughput are saturated.

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