Dell PowerEdge R820 Technical Manual

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iii PowerEdge R820 Technical GuideTable of contents1 System overview ..................................................................................................................................................................5Introduction .........................................................................................................................................................................5New technologies ............................................................................................................................................................. 62 System features ................................................................................................................................................................... 7Comparison of PowerEdge systems ............................................................................................................................... 7Specifications ..................................................................................................................................................................... 83 Chassis views and features ............................................................................................................................................. 10Chassis views .................................................................................................................................................................... 10Chassis features ................................................................................................................................................................ 124 Processor ............................................................................................................................................................................ 15Processor features ............................................................................................................................................................ 15Supported processors ...................................................................................................................................................... 15GPU support ......................................................................................................................................................................16Chipset ................................................................................................................................................................................165 Memory ............................................................................................................................................................................... 17Supported memory .......................................................................................................................................................... 17Memory configurations ...................................................................................................................................................18Memory speed ..................................................................................................................................................................19Memory RAS features...................................................................................................................................................... 206 Storage ................................................................................................................................................................................ 21Internal storage ................................................................................................................................................................. 21External storage ............................................................................................................................................................... 22Storage controllers .......................................................................................................................................................... 22Optical drive ..................................................................................................................................................................... 23Tape drive .......................................................................................................................................................................... 237 Networking and PCIe ...................................................................................................................................................... 24Select Network Adapter.................................................................................................................................................. 24PCIe expansion ................................................................................................................................................................ 268 Power, thermal, and acoustics ...................................................................................................................................... 28Power consumption and energy efficiency ................................................................................................................ 28Power supply units .......................................................................................................................................................... 29Thermal and acoustics.................................................................................................................................................... 309 Rack rails and cable management ................................................................................................................................ 33Sliding and static rail systems ........................................................................................................................................ 33Cable management arm................................................................................................................................................. 3510 Operating systems and virtualization ........................................................................................................................... 36Supported operating systems........................................................................................................................................ 36Supported virtualization ................................................................................................................................................. 3711 Dell OpenManage systems management .................................................................................................................... 38Systems management solutions ................................................................................................................................... 38OpenManage systems management ........................................................................................................................... 39Dell server management operations ............................................................................................................................ 43Additional specifications .......................................................................................................................... 46Appendix A.Chassis dimensions ......................................................................................................................................................... 46Chassis weight.................................................................................................................................................................. 46Power supply specifications .......................................................................................................................................... 46Environmental specifications ........................................................................................................................................ 47Video specifications ........................................................................................................................................................ 48Rack rail specifications ................................................................................................................................................... 49USB peripherals ................................................................................................................................................................ 49