iii PowerEdge T420 Technical Guide
Table of contents
1 System overview ..................................................................................................................................................................5
Introduction .........................................................................................................................................................................5
Key technologies ............................................................................................................................................................... 6
2 System features ................................................................................................................................................................... 7
Comparison of PowerEdge systems ............................................................................................................................... 7
Specifications ...................................................................................................................................................................... 7
3 Chassis views and features .............................................................................................................................................. 11
Chassis views ..................................................................................................................................................................... 11
Chassis features ................................................................................................................................................................14
4 Processor ............................................................................................................................................................................ 17
Processor features ............................................................................................................................................................ 17
Supported processors ...................................................................................................................................................... 17
GPU support ......................................................................................................................................................................18
Chipset ................................................................................................................................................................................ 19
5 Memory .............................................................................................................................................................................. 20
Supported memory ......................................................................................................................................................... 20
Memory configurations ................................................................................................................................................... 21
Memory speed .................................................................................................................................................................. 21
Memory RAS features...................................................................................................................................................... 22
6 Storage ............................................................................................................................................................................... 24
Internal storage ................................................................................................................................................................ 24
External storage ............................................................................................................................................................... 24
Storage controllers .......................................................................................................................................................... 25
Optical drive ..................................................................................................................................................................... 26
Tape drive .......................................................................................................................................................................... 26
7 Networking and PCIe ...................................................................................................................................................... 27
Embedded NIC controller .............................................................................................................................................. 27
PCIe expansion ................................................................................................................................................................ 27
8 Power, thermal, and acoustics ...................................................................................................................................... 29
Power consumption and energy efficiency ................................................................................................................ 29
Power supply units .......................................................................................................................................................... 30
Thermal and acoustics..................................................................................................................................................... 31
9 Rack rails and cable management ................................................................................................................................ 34
Sliding rails ........................................................................................................................................................................ 34
Cable management arm................................................................................................................................................. 35
10 Operating systems and virtualization ........................................................................................................................... 36
Supported operating systems ........................................................................................................................................ 36
Supported virtualization ................................................................................................................................................. 37
11 Dell OpenManage systems management .................................................................................................................... 38
Systems management solutions ................................................................................................................................... 38
OpenManage systems management ........................................................................................................................... 39
Dell server management operations ............................................................................................................................ 44
Appendix A. Additional specifications .......................................................................................................................... 46
Chassis dimensions ......................................................................................................................................................... 46
Chassis weight.................................................................................................................................................................. 46
Power supply specifications .......................................................................................................................................... 46
Environmental specifications ........................................................................................................................................ 47
Video specifications ........................................................................................................................................................ 48
Rack rail specifications ................................................................................................................................................... 49
USB peripherals ................................................................................................................................................................ 49