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Dell PowerEdge R9825

The Dell PowerEdge R9825 is a 3U dual-socket rack server with two 6th Gen AMD EPYC 9006 processors with up to 512 cores. It supports 32 DDR5 DIMM slots (up to 8TB RDIMM at 8000 MT/s, or MRDIMM up to 12800 MT/s), up to eight PCIe Gen6 slots, one OCP 3.0 NIC, up to two 675W double-width GPUs in a one-CPU configuration, and up to 16 or 32 E3.S Gen6 NVMe drives, with air or Direct Liquid Cooling. Fully configurable.

Looking to compare? See the Gen 18 Dell PowerEdge R9815, or its Gen 17 predecessor, the Dell PowerEdge R7725.

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  • Form Factor: 3U Rack
  • Processors: 2x 6th Gen AMD EPYC 9006
  • Memory: 32x DDR5 DIMM slots, up to 8TB
  • Memory Speed: Up to 8000 MT/s RDIMM or 12800 MT/s MRDIMM
  • Storage: Up to 16x or 32x E3.S Gen6 NVMe
  • Expansion: Up to 8x PCIe Gen6 x16 slots
  • GPU Support: Up to 2x 675W DW (1-CPU config) or 8x 75W SW
  • Networking: 1x OCP 3.0, optional 2x Gen6 OCP
  • Management: iDRAC
  • Cooling: Air or Direct Liquid Cooling
  • Power: Redundant PSUs, 1500W to 3200W

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Dell PowerEdge R9825 vs R9815: Specs & Key Differences

Feature PowerEdge R9825 PowerEdge R9815
Form Factor 3U Rack 2U Rack
Processors 2x AMD EPYC 9006 (up to 512 cores) 1x AMD EPYC 9006 (up to 256 cores)
Memory 32x DDR5 DIMM slots, up to 8TB
Up to 8000 MT/s RDIMM or 12800 MT/s MRDIMM		 16x DDR5 DIMM slots, up to 4TB
Up to 8000 MT/s RDIMM or 12800 MT/s MRDIMM
PCIe Up to 8x PCIe Gen6 x16 slots Up to 4x PCIe Gen6 x16 slots
or 3x16 + 2x8 Gen6
GPU Support Up to 2x 675W DW (1-CPU config) or 8x 75W SW Up to 2x 450W DW or 4x SW
Storage Up to 16x or 32x E3.S Gen6 NVMe Up to 16x or 24x E3.S Gen6 NVMe
Networking 1x OCP 3.0, optional 2x Gen6 OCP 1x OCP 3.0
Management iDRAC iDRAC
Cooling Air or DLC Air or DLC
Power 1500W to 3200W 800W to 3200W

Frequently Asked Questions

The R9825 is a dual-socket 3U server that takes two 6th Gen AMD EPYC 9006 SP7 processors, with up to 256 cores per processor and up to 512 cores in the system.

It has 32 DDR5 DIMM slots. With RDIMMs, capacity is up to 8TB at speeds up to 8000 MT/s. With MRDIMMs, capacity is up to 4TB at speeds up to 12800 MT/s.

The R9825 supports up to two 675W double-width full-height full-length GPUs in a single-CPU configuration, or up to eight 75W single-width full-height half-length GPUs. It is air cooled with up to five 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 32 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 R9825 is a 3U dual-socket server with two 6th Gen AMD EPYC 9006 processors (up to 512 cores), while the R9815 is a 2U single-socket server with one of the same processors (up to 256 cores). The R9825 doubles the DIMM count to 32 (up to 8TB RDIMM versus 4TB), offers up to eight PCIe Gen6 x16 slots versus up to four x16, and lists up to 16 or 32 E3.S Gen6 NVMe front bays versus 16 or 24. GPU support on the R9825 is up to two 675W double-width cards in a single-CPU configuration or eight 75W single-width cards, versus up to two 450W double-width or four single-width cards on the R9815.

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