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

DELL

DELL PowerEdge R650xs 1U rack server 2x Xeon Silver 4316 2.3GHz 20C 512GB DDR4 H745 10x 1.8TB SAS 57412

SKU CH-BTZP-VYY7T

A 1U rack server with two 20-core Xeon Silver 4316 processors, 512GB DDR4, a PERC H745 controller, and ten 1.8TB SAS drives

  • TypeRack
  • Rack Height1U
  • Redundant Hot-swap PowerYes
  • AI FeaturesNone
  • CPU TypeIntel Xeon
  • CPU Speed16
  • Dual 20-core Xeon Silver 4316 CPUs at 2.3 GHz deliver high compute density
  • 512 GB DDR4 2666 MHz ECC memory supports large virtualised workloads
  • PERC H745 RAID controller with 4 GB NV cache enables RAID 0/1/5/6/10/50/60
  • Ten 1.8 TB 10K SAS drives provide fast redundant storage
  • iDRAC9 Enterprise plus dual 1400 W PSUs ensure resilient remote management

Purpose-built 1U density

The Dell PowerEdge R650xs is a 1U rack server configured with dual 20-core Intel Xeon Silver 4316 processors and 512GB of DDR4 registered ECC memory. It targets virtualisation hosts, cloud nodes and dense analytics clusters that need maximum compute per rack unit. The server ships new with iDRAC9 Enterprise, dual 1400W platinum power supplies, rails and bezel included.

H745 RAID with 10 x 1.8TB SAS

The defining spec is the PERC H745 controller driving ten 1.8TB 10K SAS drives at 12Gb/s with 4GB NV cache and battery backup. This hardware RAID engine supports RAID 0, 1, 5, 6, 10, 50 and 60, delivering the throughput and redundancy a primary storage tier requires. No other drive count or interface is present in this build.

Dual 10GbE SFP+ OCP 3.0 uplink

A Broadcom 57412 dual-port 10GbE SFP+ OCP 3.0 card provides the high-speed fabric connection, freeing the remaining PCIe slots for additional accelerators or storage controllers. The 1U chassis uses redundant hot-swap power and front-access 2.5-inch bays, so service does not require rack removal. Buyers needing GPU acceleration or NVMe-only storage should look elsewhere.

Highlights

  • Dual 20-core Xeon Silver 4316 CPUs at 2.3 GHz deliver high compute density
  • 512 GB DDR4 2666 MHz ECC memory supports large virtualised workloads
  • PERC H745 RAID controller with 4 GB NV cache enables RAID 0/1/5/6/10/50/60
  • Ten 1.8 TB 10K SAS drives provide fast redundant storage
  • iDRAC9 Enterprise plus dual 1400 W PSUs ensure resilient remote management

Specifications

BrandDELL
SeriesPowerEdge R650xs
ModelR650xs
Part Number2.30 GHz
TypeRack
Rack Height1U
Redundant Hot-swap PowerYes
AI FeaturesNone
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 InterfaceSAS
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 many physical cores will the operating system see from the two Xeon Silver 4316 processors?

Each processor has 20 cores, so the OS will see 40 physical cores in total.

What is the maximum throughput the PERC H745 controller can sustain across the 10 SAS drives?

The drives run at 12Gb/s SAS, and the H745 supports RAID 0/1/5/6/10/50/60 with 4GB NV cache, so aggregate throughput is limited by the 12Gb/s per-drive link and the PCIe bus feeding the controller.

How much clearance does the 1U chassis need above and below for the included rails?

The server occupies exactly one rack unit of vertical space, and the supplied rails are designed for standard 1U server mounting.

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