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Dell PowerEdge R820

The Dell PowerEdge R820 is a 2U four-socket rack server that packs large-system compute into a compact chassis. It runs up to four Intel Xeon E5-4600 or E5-4600 v2 processors, 48 DDR3 DIMM slots for up to 1.5TB of memory, and up to 16x 2.5" hot-plug drives, including Express Flash PCIe SSDs. Seven PCIe 3.0 slots, a choice of network daughter cards, internal GPU support, hot-plug fans and redundant power suit databases, virtualization and HPC. Fully configurable.

Looking to compare? See its Gen 13 successor, the Dell PowerEdge R830, or the Gen 12 Dell PowerEdge R920.

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  • Form Factor: 2U Rack
  • Processors: Up to 4x Intel Xeon E5-4600/E5-4600 v2
  • Memory: 48x DDR3 DIMM slots, up to 1.5TB
  • Memory Speed: Up to 1866 MT/s
  • Storage: Up to 16x 2.5" hot-plug (Express Flash option)
  • Expansion: 7x PCIe 3.0 slots (incl. RAID slot)
  • GPU Support: Internal GPU (selected configurations)
  • Networking: NDC: 4x 1GbE, 2x 10GbE + 2x 1GbE or 4x 10GbE
  • Management: iDRAC7 with Lifecycle Controller
  • Cooling: Air, hot-plug redundant fans
  • Power: Redundant 750W or 1100W PSUs

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Dell PowerEdge R820 vs R830: Specs & Key Differences

Feature PowerEdge R820 PowerEdge R830
Processors Up to 4x Intel Xeon E5-4600/E5-4600 v2 Up to 4x Intel Xeon E5-4600 v4 (up to 22 cores)
Memory 48x DDR3 DIMM slots, up to 1.5TB 48x DDR4 RDIMM/LRDIMM slots, up to 3TB
Memory Speed Up to 1866 MT/s Up to 2400 MT/s
Storage Up to 16x 2.5" (Express Flash option) Up to 16x 2.5" SAS/SATA
PCIe 7x PCIe 3.0 (incl. RAID slot) 7x PCIe 3.0
Networking NDC: 4x 1GbE, 2x 10GbE + 2x 1GbE or 4x 10GbE NDC: 4x 1GbE, or 2x 10GbE + 2x 1GbE
Management iDRAC7 with Lifecycle Controller iDRAC8 with Lifecycle Controller
Power 750W or 1100W AC, 1100W DC 750W, 1100W or 1600W
Form Factor 2U Rack 2U Rack

Frequently Asked Questions

Up to four Intel Xeon E5-4600 or E5-4600 v2 processors on the Intel C602 chipset. It can also run with two processors.

There are 48 DDR3 DIMM sockets, 12 per processor, for up to 1.5TB. E5-4600 processors run memory at up to 1600 MT/s and E5-4600 v2 processors at up to 1866 MT/s.

Up to sixteen 2.5-inch hot-plug SAS, SATA or SSD drives, with front-access Express Flash PCIe SSD options, using PERC H310, H710 or H710P. Please specify your capacity needs when you submit your quote configuration.

Yes. Dell supports an internal GPU in selected configurations. Those builds use an adapter-style PERC instead of the default mini PERC.

The Gen 13 R830 moves to Xeon E5-4600 v4 processors with up to 22 cores and DDR4-2400, doubles memory to 3TB, adds a 1600W PSU and uses iDRAC8. Both are 2U four-socket servers with 48 DIMM slots, 16 SFF bays and seven PCIe slots.

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