iii PowerEdge R420 Technical Guide
Table of contents
1 System overview ..................................................................................................................................................................5
Introduction .........................................................................................................................................................................5
New technologies ............................................................................................................................................................. 6
2 System features ................................................................................................................................................................... 7
Comparison of PowerEdge systems ............................................................................................................................... 7
Specifications ..................................................................................................................................................................... 8
3 Chassis views and features .............................................................................................................................................. 11
Chassis views ..................................................................................................................................................................... 11
Chassis features ................................................................................................................................................................ 12
4 Processor ............................................................................................................................................................................ 15
Processor features ............................................................................................................................................................ 15
Supported processors ...................................................................................................................................................... 15
Chipset ................................................................................................................................................................................ 16
5 Memory ............................................................................................................................................................................... 17
Supported memory .......................................................................................................................................................... 17
Memory configurations ...................................................................................................................................................18
Memory speed .................................................................................................................................................................. 19
Memory RAS features...................................................................................................................................................... 20
6 Storage ................................................................................................................................................................................ 21
Internal storage ................................................................................................................................................................. 21
External storage ............................................................................................................................................................... 22
Storage controllers .......................................................................................................................................................... 22
Optical drive ..................................................................................................................................................................... 23
Tape drive .......................................................................................................................................................................... 23
7 Networking and PCIe ...................................................................................................................................................... 24
Embedded NIC controller .............................................................................................................................................. 24
PCIe expansion ................................................................................................................................................................ 24
8 Power, thermal, and acoustics ...................................................................................................................................... 26
Power consumption and energy efficiency ................................................................................................................ 26
Power supply units .......................................................................................................................................................... 27
Thermal and acoustics.................................................................................................................................................... 28
9 Rack rails and cable management ................................................................................................................................. 31
Sliding and static rail systems ......................................................................................................................................... 31
Cable management arm................................................................................................................................................. 33
10 Operating systems and virtualization ........................................................................................................................... 34
Supported operating systems ........................................................................................................................................ 34
Supported virtualization ................................................................................................................................................. 35
11 Dell OpenManage systems management .................................................................................................................... 36
Systems management solutions ................................................................................................................................... 36
OpenManage systems management ........................................................................................................................... 37
Dell server management operations ............................................................................................................................ 42
Appendix A. Additional specifications .......................................................................................................................... 44
Chassis dimensions and weight .................................................................................................................................... 44
Video specifications ........................................................................................................................................................ 44
Environmental specifications ........................................................................................................................................ 45
Power supply specifications .......................................................................................................................................... 46
Rack rail specifications ................................................................................................................................................... 46
USB peripherals ................................................................................................................................................................ 47
Appendix B. Standards compliance ............................................................................................................................. 48
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