7 PowerEdge R820 Technical Guide
Compared to the previous generation of Dell PowerEdge servers, the R820 has more drive bay
options, more PCIe slots, PCIe 3.0 support, more memory, a dual RAID controller option, optional
Express Flash PCIe solid-state drives, internal graphics processing unit (GPU) support, advanced
system management, and hot-plug redundant cooling.
The PowerEdge R820 is a direct replacement for the R810. Table 2 compares some of the features
of the R820 to the R810. For the latest information on supported features, visit Dell.com.
Intel Xeon processors 6500, 7500,
E7-2800, E7-4800 and E7-8800 series
Intel Xeon processor E5-4600 product
family
Intel QuickPath Interconnect
Intel QuickPath Interconnect
32 x DDR3 RDIMM and UDIMM
Up to 1TB
48 x DDR3 RDIMM, UDIMM, and LRDIMM
Up to 1.5TB
Hard drive bays
(hot-plug)
PERC H310, H710, H710P, H810
Dual PERC option
Up to 4 Flash Express drives
4 x 1GbE with optional TOE
Select Network Adapter: minimum
configuration of 4 x 1GbE, 10GbE
(optional)
Hot-plug, redundant 1100W AC
Hot-plug, redundant 750W AC, 1100W AC,
1100W DC
2
Dell OpenManage
Dell Management Console
Lifecycle Controller 1.x
Dell OpenManage Essentials
Dell Management Console
Lifecycle Controller 2.x
iDRAC6 (Express or Enterprise) with
Lifecycle Controller 1.x
iDRAC7 (Express or Enterprise) with
Lifecycle Controller 2.x
Hot-plug drives
Hot-plug redundant cooling
Hot-plug redundant power supply units
Internal dual SD modules
Hot-plug drives
Hot-plug redundant cooling
Hot-plug redundant power supply units
Internal dual SD modules
1
GB means 1 billion bytes and TB equals 1 trillion bytes; actual capacity varies with preloaded material and operating
environment and will be less.
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