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

DELL

Dell PowerEdge R650xs 1U Rack Server 2x Xeon Silver 4316 2.3GHz 20-Core 512GB DDR4 H745 8x 1.92TB SSD

SKU CH-QHQA-XBVEG

1U rack server with dual 20-core Xeon Silver 4316 CPUs, 512 GB DDR4, H745 RAID and eight 1.92 TB SATA SSDs

  • TypeRack
  • Rack Height1U
  • Redundant Hot-swap PowerYes
  • AI Features8 x 1.92TB SATA SSD
  • CPU TypeIntel Xeon
  • CPU Speed16
  • Dual Xeon Silver 4316 CPUs deliver 40 cores at 2.3 GHz with 3.4 GHz turbo
  • 512 GB DDR4 2666 MHz ECC memory supports large virtualisation workloads
  • PERC H745 RAID controller with 4 GB NV cache enables RAID 0/1/5/6/10/50/60
  • Eight 1.92 TB SATA SSDs provide high-capacity solid-state storage
  • iDRAC9 Enterprise plus dual 1400 W platinum PSUs ensure remote management and power redundancy

Dense 1U Compute Platform

The Dell PowerEdge R650xs is a 1U rack server built for high-density environments. It ships with two Intel Xeon Silver 4316 processors running at 2.3 GHz with 20 cores each. 512 GB of DDR4 2666 MHz registered ECC memory is installed across 16 DIMM slots. A PERC H745 controller manages eight 1.92 TB SATA SSDs with support for RAID 0, 1, 5, 6, 10, 50 and 60.

Compatibility Verification

Confirm the rack provides 1U of vertical space and compatible mounting rails. The system uses an LGA 4189 socket and supports a second processor if expansion is planned. Memory upgrades must use DDR4 registered ECC modules up to the 1 TB maximum. Network connectivity requires SFP+ transceivers for the dual-port 10 GbE OCP 3.0 adapter. Power infrastructure must accept two 1400 W hot-swap power supplies.

Thermal and Power Profile

Dual 1400 W platinum-efficiency power supplies operate in redundant hot-swap mode. The 1U chassis uses high-speed internal fans to cool both CPUs, memory and storage under load. Fan speed ramps with inlet temperature and workload intensity. Acoustic output is typical for a density-optimised 1U server in a data centre aisle. Power draw scales with CPU utilisation and drive activity.

Highlights

  • Dual Xeon Silver 4316 CPUs deliver 40 cores at 2.3 GHz with 3.4 GHz turbo
  • 512 GB DDR4 2666 MHz ECC memory supports large virtualisation workloads
  • PERC H745 RAID controller with 4 GB NV cache enables RAID 0/1/5/6/10/50/60
  • Eight 1.92 TB SATA SSDs provide high-capacity solid-state storage
  • iDRAC9 Enterprise plus dual 1400 W platinum PSUs ensure remote management and power redundancy

Specifications

BrandDELL
SeriesPowerEdge R650xs
ModelR650xs
Part Number2.30 GHz
TypeRack
Rack Height1U
Redundant Hot-swap PowerYes
AI Features8 x 1.92TB SATA SSD
CPU TypeIntel Xeon
CPU Speed16
CPU SocketLGA 4189
Number of CPU Cores20-Core Processor
# of Processors InstalledGold 4316
MAX Processors2
Chipset0
Installed Memory Size512GB
Memory TypeDDR4
Max Memory Capacity1TB
Storage ControllerDell Perc H745 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
Features8 x 2.5" SATA/SAS Hot-Plug Drive Bays

Questions about this item

What comes inside the box and what must I add?

The server ships with two Silver 4316 processors, 512 GB DDR4 in sixteen 32 GB modules, eight 1.92 TB SATA SSDs, a PERC H745 RAID controller, a dual-port 10 GbE SFP+ OCP card, iDRAC9 Enterprise, two 1400 W platinum PSUs, rails and bezel. No extra parts are required for basic operation.

Which memory configuration should I choose if I need more capacity?

The board has sixteen DDR4 slots running up to 3200 MT/s. All slots are filled with 32 GB RDIMMs today. To grow, replace modules with larger RDIMMs — up to the 1 TB platform limit — keeping matched pairs per processor.

How does the 3.4 GHz turbo frequency behave under full load?

Both 20-core Silver 4316 CPUs can reach 3.4 GHz turbo when thermal and power headroom allows. Sustained all-core speed will settle lower depending on workload and the 1400 W PSU budget.

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