Download Dell PowerEdge R820 Specifications

Appendix C.
System board block diagram .................................................................................................................. 54
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Key technologies .................................................................................................................................................. 6
Comparing the PowerEdge R810 to PowerEdge R820 ................................................................................. 7
Technical specifications ...................................................................................................................................... 8
Chassis features ................................................................................................................................................... 12
Security features ..................................................................................................................................................14
Supported processors ........................................................................................................................................16
Memory technologies supported ..................................................................................................................... 17
DIMMs supported ................................................................................................................................................18
Memory RAS features .........................................................................................................................................19
Supported hard drives ....................................................................................................................................... 20
Supported RAID controllers............................................................................................................................... 21
Supported Select Network Adapter options and features .......................................................................... 24
Select Network Adapter selection for racks .................................................................................................. 25
Supported NICs and HBAs ................................................................................................................................ 26
Additional supported PCIe expansion cards ................................................................................................. 27
Power tools and technologies ......................................................................................................................... 28
Power supply efficiency .................................................................................................................................... 30
Acoustical performance .................................................................................................................................... 32
Supported rack types ......................................................................................................................................... 34
Primary operating system support .................................................................................................................. 36
Virtual guest operating system support ......................................................................................................... 37
Virtualization support ........................................................................................................................................ 37
iDRAC7 with Lifecycle Controller functions and benefits ........................................................................... 39
Feature comparison for iDRAC7 Express and Enterprise ............................................................................ 40
One-to-one and one-to-many operations .................................................................................................. 44
Supported video modes .................................................................................................................................... 47
Environmental specifications ........................................................................................................................... 48
Power supply specifications ............................................................................................................................. 49
Rail adjustability range ....................................................................................................................................... 50
Industry standard documents ........................................................................................................................... 51
Additional resources .......................................................................................................................................... 52
Figures
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Front view without bezel .................................................................................................................................. 10
Front view with bezel......................................................................................................................................... 10
Back view .............................................................................................................................................................. 11
Internal view ......................................................................................................................................................... 11
LCD control panel ............................................................................................................................................... 13
QRL location ........................................................................................................................................................ 13
Rack network daughter card ............................................................................................................................ 23
750W power supply unit ................................................................................................................................... 30
Sliding rails with optional CMA ........................................................................................................................ 33
Static rails ............................................................................................................................................................. 34
Dell systems management solutions .............................................................................................................. 38
Systems management server lifecycle ........................................................................................................... 44
System dimensions ............................................................................................................................................ 47
R820 system board block diagram ................................................................................................................. 54
PowerEdge R820 Technical Guide