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Dell PowerEdge R660xs

The Dell PowerEdge R660xs is a cost-optimized 1U dual-socket rack server running up to two 4th Gen (up to 32 cores) or 5th Gen (up to 28 cores) Intel Xeon Scalable processors. It offers 16 DDR5 DIMM slots (up to 1.5TB at up to 5200 MT/s), up to three PCIe Gen4 or two Gen5 slots, 2x 1GbE LOM with an OCP 3.0 option, and up to 10x 2.5" or 4x 3.5" front drives plus two rear 2.5" bays. Managed by iDRAC9, it is built for virtualization, scale-out database and high performance compute workloads. Fully configurable.

Looking to compare generations? See the Gen 15 Dell PowerEdge R650 and its Gen 17 successor, the Dell PowerEdge R470, or compare Gen 16 models: Dell PowerEdge R660 and Dell PowerEdge R760xs.

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  • Form Factor: 1U Rack
  • Processors: Up to 2x 4th/5th Gen Intel Xeon Scalable
  • Memory: 16x DDR5 DIMM slots, up to 1.5TB
  • Memory Speed: Up to 5200 MT/s
  • Storage: Up to 10x 2.5" or 4x 3.5"
  • Expansion: Up to 3x PCIe Gen4 or 2x Gen5 slots
  • GPU Support: Not supported
  • Networking: 2x 1GbE LOM, 1x OCP 3.0
  • Management: iDRAC9
  • Cooling: Air, up to 7 hot-swap fans
  • Power: Redundant PSUs, 600W to 1800W

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Dell PowerEdge R660xs vs R650xs: Specs & Key Differences

Feature PowerEdge R660xs PowerEdge R650xs
Processors Up to 2x 4th/5th Gen Intel Xeon Scalable (up to 32 cores) Up to 2x 3rd Gen Intel Xeon Scalable
Memory 16x DDR5 DIMM slots, up to 1.5TB
Up to 5200 MT/s		 16x DDR4 DIMM slots
Up to 3200 MT/s
PCIe Up to 3x PCIe Gen4 or 2x Gen5 slots Up to 3x PCIe Gen4 slots
Boot Storage BOSS-N1 (2x M.2 NVMe) BOSS-S1 (2x M.2) or IDSDM
Storage Up to 10x 2.5" or 4x 3.5"
Rear 2x 2.5"		 Up to 10x 2.5" or 4x 3.5"
Rear 2x 2.5"
Networking 2x 1GbE LOM + 1x OCP 3.0 (x8) 2x 1GbE LOM + 1x OCP 3.0 (x16)
Management iDRAC9 iDRAC9
Cooling Air Air
Power 600W to 1800W 600W to 1800W
Form Factor 1U Rack 1U Rack

Frequently Asked Questions

Up to two 4th Gen Intel Xeon Scalable processors with up to 32 cores each, or two 5th Gen Intel Xeon Scalable processors with up to 28 cores each.

It has 16 DDR5 RDIMM slots and supports up to 1.5TB using 96GB RDIMMs. Memory runs at up to 5200 MT/s with 5th Gen processors and up to 4800 MT/s with 4th Gen processors. Only registered ECC DDR5 DIMMs are supported.

Front options include up to 4x 3.5-inch SAS/SATA, up to 8x 2.5-inch SAS/SATA/NVMe, or up to 10x 2.5-inch SAS/SATA/NVMe drives, with up to two rear 2.5-inch drives. BOSS-N1 provides mirrored M.2 NVMe boot. Please specify your capacity needs when you submit your quote configuration.

The R660xs is the cost-optimized version of the 1U R660. It uses 16 DIMM slots instead of 32, tops out at 1.5TB of memory and 32 cores per CPU, which makes it a lower-cost fit for virtualization, scale-out database and HPC workloads.

The R660xs moves from 3rd Gen to 4th/5th Gen Xeon Scalable processors and from DDR4-3200 to DDR5 at up to 5200 MT/s. It adds a PCIe Gen5 slot option and replaces BOSS-S1 and IDSDM with BOSS-N1 NVMe boot, while keeping the same 1U drive layout, OCP 3.0 slot and 600W to 1800W PSU range.

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