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Dell PowerEdge R660

The Dell PowerEdge R660 delivers dense 1U performance in a compact rack-optimized chassis built for modern data centers. It supports dual 4th or 5th Gen Intel Xeon Scalable processors (including Xeon Max options) with up to 64 cores, paired with 32 DDR5 DIMM slots reaching 8 TB of memory at speeds up to 5600 MT/s. Flexible storage configurations include traditional 2.5-inch SAS/SATA/NVMe drives plus high-density EDSFF E3.S Gen5 options, while PCIe Gen5 lanes and optional Direct Liquid Cooling expand its capabilities. Ideal for high-density virtualization, dense database analytics, VDI, and mixed enterprise workloads, this server balances compute density with efficient power and thermal design. Fully configurable.

Looking to compare generations? See the previous Dell PowerEdge R650 or move up to the Dell PowerEdge R670

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  • Form Factor: 1U rack
  • Processors: Up to two 4th Gen Intel Xeon Scalable or Xeon Max (up to 56 cores) or 5th Gen Intel Xeon Scalable (up to 64 cores)
  • Memory: Up to 32 DDR5 RDIMM slots, 8 TB max
  • Memory Speed: Up to 5600 MT/s (1 DPC) / 4400 MT/s (2 DPC)
  • Storage: Up to 10× 2.5-inch SAS/SATA/NVMe, 8× 2.5-inch NVMe, or 14/16× EDSFF E3.S NVMe Gen5; rear drive options available; PERC H965i/H755/H355, BOSS-N1, S160
  • Expansion: Up to 3 PCIe slots (Gen5 and Gen4 configurations)
  • GPU Support: Up to 3× 75 W single-width GPUs
  • Networking: Optional 2× 1GbE LOM + 1× OCP 3.0 (up to 100 GbE)
  • Management: iDRAC9 with Direct, Redfish API, Quick Sync 2; OpenManage Enterprise
  • Cooling: Air cooling with STD/VHP fans (N+1 redundant); optional Direct Liquid Cooling
  • Power: Up to 2× redundant hot-swap PSUs (700 W–1800 W Titanium/Platinum AC/DC options)

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Dell PowerEdge R660 vs R650: Specs & Key Differences

Feature PowerEdge R660 PowerEdge R650
Processors Dual 4th/5th Gen Intel Xeon Scalable (up to 64 cores) or Xeon Max Dual 3rd Gen Intel Xeon Scalable
Memory 32× DDR5, up to 8 TB, 5600 MT/s 32× DDR4, up to 2 TB RDIMM / 8 TB LRDIMM + PMem, 3200 MT/s
PCIe Up to 3 slots with Gen5 support Up to 3 Gen4 slots
GPU Up to 3× 75 W single-width Up to 3× 75 W single-width
Storage 2.5-inch + EDSFF E3.S Gen5 NVMe (higher density options) 2.5-inch / 3.5-inch SAS/SATA/NVMe
Management iDRAC9 with enhanced Redfish & OpenManage features iDRAC9

Frequently Asked Questions

High-density virtualization, dense database analytics, VDI, and mixed enterprise workloads benefit most from its 1U density, high core counts, and fast DDR5 memory.

It offers up to 32 DDR5 DIMM slots supporting a maximum of 8 TB, with speeds reaching 5600 MT/s depending on configuration and processor generation.

Yes—PCIe Gen5 lanes are available along with support for up to three 75 W single-width GPUs, making it suitable for acceleration in dense environments.

Configurations range from 8 or 10× 2.5-inch SAS/SATA/NVMe drives to high-density 14 or 16× EDSFF E3.S Gen5 NVMe, plus optional rear drives and advanced PERC controllers.

Compared with the R650, the R660 brings newer Intel Xeon processors, DDR5 memory at higher speeds, PCIe Gen5 support, and denser EDSFF storage options while retaining the efficient 1U form factor.

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