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Dell PowerEdge R9815

The Dell PowerEdge R9815 is a 2U single-socket rack server with one 6th Gen AMD EPYC 9006 processor with up to 256 cores. It supports 16 DDR5 DIMM slots (up to 4TB RDIMM at 8000 MT/s, or MRDIMM up to 12800 MT/s), up to four PCIe Gen6 x16 slots, one OCP 3.0 NIC, up to two 450W double-width or four single-width GPUs, and up to 16 or 24 E3.S Gen6 NVMe drives, with air or Direct Liquid Cooling. Fully configurable.

Looking to compare? See its Gen 17 predecessor, the Dell PowerEdge R7715, or the Gen 18 Dell PowerEdge R9825.

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  • Form Factor: 2U Rack
  • Processors: 1x 6th Gen AMD EPYC 9006
  • Memory: 16x DDR5 DIMM slots, up to 4TB
  • Memory Speed: Up to 8000 MT/s RDIMM or 12800 MT/s MRDIMM
  • Storage: Up to 16x or 24x E3.S Gen6 NVMe
  • Expansion: Up to 4x PCIe Gen6 x16 slots
  • GPU Support: Up to 2x 450W double-width or 4x single-width
  • Networking: 1x OCP 3.0
  • Management: iDRAC
  • Cooling: Air or Direct Liquid Cooling
  • Power: Redundant PSUs, 800W to 3200W

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Dell PowerEdge R9815 vs R7715: Specs & Key Differences

Feature PowerEdge R9815 PowerEdge R7715
Processors 1x AMD EPYC 9006 (up to 256 cores) 1x AMD EPYC 9005 (up to 160 cores)
Memory 16x DDR5 DIMM slots, up to 4TB
Up to 8000 MT/s RDIMM or 12800 MT/s MRDIMM		 24x DDR5 DIMM slots, up to 6TB
Up to 5200 MT/s
PCIe Up to 4x PCIe Gen6 x16 slots
or 3x16 + 2x8 Gen6		 Up to 8x PCIe Gen5 slots
GPU Support Up to 2x 450W DW or 4x SW Up to 3x DW or 6x 75W SW
Storage Up to 16x or 24x E3.S Gen6 NVMe Up to 40x E3.S, 24x 2.5" or 12x 3.5"
Networking 1x OCP 3.0 Up to 2x OCP 3.0
Management iDRAC iDRAC10
Cooling Air or DLC Air or DLC
Power 800W to 3200W 800W to 3200W
Form Factor 2U Rack 2U Rack

Frequently Asked Questions

The R9815 is a single-socket 2U server that takes one 6th Gen AMD EPYC 9006 SP7 processor with up to 256 cores.

It has 16 DDR5 DIMM slots. With RDIMMs, capacity is up to 4TB at speeds up to 8000 MT/s. With MRDIMMs, capacity is up to 2TB at speeds up to 12800 MT/s.

The R9815 supports up to two 450W double-width full-height full-length GPUs, up to two 150W single-width full-height full-length GPUs, or up to four single-width full-height half-length GPUs. It is air cooled with up to four hot-swappable fans, and Direct Liquid Cooling is available as an option.

Front bays support up to 16 EDSFF E3.S Gen6 NVMe drives (up to 983.04 TB) or up to 24 E3.S Gen6 NVMe drives. Boot is handled by BOSS-N1 or BOSS-N2 with two M.2 NVMe SSDs in HWRAID 1. Please specify your capacity needs when you request a quote.

The R9815 moves from a 5th Gen AMD EPYC 9005 processor with up to 160 cores to a 6th Gen AMD EPYC 9006 SP7 processor with up to 256 cores. It uses 16 DDR5 DIMM slots (up to 4TB at up to 8000 MT/s RDIMM or 12800 MT/s MRDIMM) rather than 24 slots / 6TB, steps up to PCIe Gen6 (up to four x16 slots, or three x16 plus two x8), and focuses on E3.S Gen6 NVMe storage (16 or 24 bays) instead of the R7715's mix of E3.S, 2.5-inch and 3.5-inch bays. GPU support is up to two 450W double-width cards, versus up to three double-width cards on the R7715, and the R9815 has one OCP 3.0 slot rather than two.

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