Dell PowerEdge R650xs
The Dell PowerEdge R650xs is an enterprise 1U rack server powered by 2 Intel Xeon Scalable 3rd Gen (up to 32 cores, 220W TDP) and 16 memory slots supporting up to 1024GB DDR4-3200 RDIMM. Configured with Up to 10x 2.5-inch SAS/SATA/NVMe or 4x 3.5-inch SAS/SATA drives and Up to 3 PCIe Gen4 slots, the R650xs delivers balanced compute and I/O density for enterprise database, hypervisor, and application workloads.
Also written as: PowerEdge R650xs, Dell R650xs
Specifications
| Brand | Dell |
|---|---|
| Family | PowerEdge R |
| Form factor | 1U rack |
| Released | Jun 2021 |
| Cpu sockets | 2 |
| Cpu platform | Intel Xeon Scalable 3rd Gen (up to 32 cores, 220W TDP) |
| Memory slots | 16 |
| Memory type | DDR4-3200 RDIMM |
| Memory max (GB) | 1,024 |
| Drive bays | Up to 10x 2.5-inch SAS/SATA/NVMe or 4x 3.5-inch SAS/SATA drives |
| Pcie slots | Up to 3 PCIe Gen4 slots |
| Gpu support | None supported |
| Network onboard | OCP 3.0 slot; 1x 1GbE iDRAC port |
| Power supply | Dual redundant hot-plug 600W, 800W, 1100W or 1400W |
Generations
- Next generation: Dell PowerEdge R660xs
About the R650xs
The Dell PowerEdge R650xs is an enterprise 1U rack server engineered for computing and virtualization workloads. Powered by 2 Intel Xeon Scalable 3rd Gen (up to 32 cores, 220W TDP) across 16 memory slots supporting up to 1024GB DDR4-3200 RDIMM, the R650xs balances throughput and memory capacity. In Dell's server catalog, the R650xs was followed by the POWEREDGE-R660XS, positioned alongside rival systems including PROLIANT-DL360-GEN10-PLUS.
Options and compatibility
Processor support on the R650xs utilizes 2 LGA4189 (Socket P+) sockets with thermal heatsinks matching CPU power envelopes. System memory slots on the R650xs require DDR4-3200 RDIMM modules, and mixing RDIMM with LRDIMM memory is not supported. Front backplanes on the R650xs accommodate either DXD9H (2.5-inch SFF) or X7K8W (3.5-inch LFF) trays based on chassis option. Networking on the R650xs uses OCP 3.0 mezzanine slot, and expansion cards install into Up to 3 PCIe Gen4 slots risers.
How to identify it
Physical identification of the R650xs is verified by the 15th-generation high-airflow front security bezel with the R650xs badge on the front chassis ear. The pull-out information tag on the R650xs control panel displays the 7-character Dell Service Tag and default login credentials. In iDRAC9 Gen15, the server identifies as R650xs with active firmware, slot mapping, and power telemetry.
Buying used
When evaluating a pre-owned R650xs, inspect the LGA4189 (Socket P+) CPU socket pins for damage and ensure retention clips are intact. Run Dell ePSA diagnostics across all 16 memory slots of the R650xs to verify zero uncorrectable ECC faults under load. Verify that redundant power supplies in the R650xs match in wattage and that iDRAC9 Gen15 Enterprise remote console is enabled. Ensure required R650xs drive caddies and bracket accessories are present.
Compatible parts
Bezels
325-BCHH Dell PowerEdge 1U Standard LCD Front Bezel with Key Lock
Fans
750-ACFR Dell PowerEdge R650 Very High Performance Fan Module
Rail kits
770-BBBQ Dell ReadyRails II Sliding Rails for 1U PowerEdge Servers (A7/A8)
Other parts
- PERC-H745
RAID controllers
PERC-H755 Dell PERC H755 Front SAS 12Gb/s 8GB NV Cache PCIe Gen4 RAID Controller
Boot devices
BOSS-S2 Dell Boot Optimized Storage Solution (BOSS-S2) Hot-Plug Rear Controller with Dual M.2 SSDs
Works together
How the Dell PowerEdge R650xs connects to servers, storage and the network: 4 ways, with the parts and products on each path.
Fibre Channel SAN
Match the speed: 16Gb and 32Gb FC HBAs, switches and array ports work together, and each generation also runs one or two speeds below its own (a 32Gb port runs at 16Gb and 8Gb).
Adapters for the server (check the fit list)
540-BBUU Dell Emulex LPe31002 Dual Port 16Gb Fibre Channel Host Bus Adapter
540-BBUV Dell QLogic 2692 Dual Port 16Gb Fibre Channel Host Bus Adapter
540-BCMS Dell QLogic 2770 Single Port 32Gb Fibre Channel PCIe Adapter
540-BCMT Dell QLogic 2772 Dual Port 32Gb Fibre Channel PCIe Adapter
Switches
Lenovo ThinkSystem DB730S 2U rack
Lenovo ThinkSystem DB630S 2U rack
Lenovo ThinkSystem DB610S 1U rack
Storage
Dell PowerStore 500T 2U rack
Dell PowerStore 1000T 2U rack
Dell PowerStore 1000X 2U rack
Dell PowerStore 1200T 2U rack
Dell PowerStore 3000T 2U rack
Dell PowerStore 3200T 2U rack
Optics
iSCSI and NVMe/TCP over Ethernet
Keep the speed the same at all three points: a 25GbE server, a 25GbE switch port and a 25GbE array port. Mixed speeds work but the slowest link sets the pace.
Adapters for the server (check the fit list)
540-BBHG Dell Intel X520/I350 2x10GbE SFP+ + 2x1GbE BASE-T Network Daughter Card (rNDC)
540-BBHH Dell Intel X540/I350 2x10GBASE-T + 2x1GbE BASE-T Network Daughter Card (rNDC)
540-BBIU Dell Broadcom 57416/5720 2x10GBASE-T + 2x1GbE Network Daughter Card (rNDC)
540-BBIV Dell Broadcom 57412/5720 2x10GbE SFP+ + 2x1GbE Network Daughter Card (rNDC)
Direct-attached SAS
12Gb SAS uses Mini-SAS HD (SFF-8644) connectors; older 6Gb gear uses Mini-SAS (SFF-8088). Adapter cables exist, but the link runs at the slower speed.
Adapters for the server (check the fit list)
405-AANT Dell 12Gbps SAS HBA Dual Port External PCIe Controller
405-AASU Dell HBA355e External SAS 12Gb/s Host Bus Adapter
Storage
Dell PowerVault ME5012 2U rack
Dell PowerVault ME5024 2U rack
Dell PowerVault ME5084 5U rack
Dell PowerVault ME4012 2U rack
Dell PowerVault ME4024 2U rack
Dell PowerVault ME4084 5U rack
File storage (NFS and SMB)
Front-end ports face the clients; back-end ports (on scale-out systems) connect the nodes to each other and need their own switch pair.
Adapters for the server (check the fit list)
540-BBHG Dell Intel X520/I350 2x10GbE SFP+ + 2x1GbE BASE-T Network Daughter Card (rNDC)
540-BBHH Dell Intel X540/I350 2x10GBASE-T + 2x1GbE BASE-T Network Daughter Card (rNDC)
540-BBIU Dell Broadcom 57416/5720 2x10GBASE-T + 2x1GbE Network Daughter Card (rNDC)
540-BBIV Dell Broadcom 57412/5720 2x10GbE SFP+ + 2x1GbE Network Daughter Card (rNDC)
Storage
Lenovo ThinkSystem DM5100F 2U rack
Lenovo ThinkSystem DM3010H 2U rack
Lenovo ThinkSystem DG5000 2U rack
Lenovo ThinkSystem DM3200F 2U rack
Lenovo ThinkSystem DM3000H 2U rack
Plan and size it
- Draw this setup in the topology planner mrplanb.com
- Add up rack power and space rack-density.com
- Virtualization storage Ledger: scored storage platforms mrplanb.com
- SAN transport and NVMe over FC for backup mrplanb.com
- Dell E-Lab Navigator (Dell interoperability) dell.com
Equivalent models from other brands
FAQ
What processors are compatible with the R650xs?
3rd Gen Intel Xeon Scalable processors (Ice Lake) with up to 32 cores and a TDP limit of 220W.
What is the maximum RAM on the R650xs?
Up to 1TB of DDR4-3200 memory using 16x 64GB RDIMM modules.
Buying or selling R650xs?
New, refurbished or used. Tell us the quantity and condition and we connect you with a vetted reseller in your region, usually within one working day.
Sources
- Dell PowerEdge R650xs Spec Sheet, checked 2026-10-27