iv PowerEdge R420 Technical Guide
Appendix C. Additional resources ................................................................................................................................. 49
Appendix D. System board block diagram ................................................................................................................... 51
Tables
Table 1. New technologies ................................................................................................................................................ 6
Table 2. Comparing the PowerEdge R410 to PowerEdge R420 ................................................................................. 7
Table 3. Technical specifications ...................................................................................................................................... 8
Table 4. Chassis features ................................................................................................................................................... 12
Table 5. Security features ..................................................................................................................................................14
Table 6. Supported processors ........................................................................................................................................ 16
Table 7. Memory technologies supported ..................................................................................................................... 17
Table 8. DIMMs supported ................................................................................................................................................18
Table 9. Memory speed capabilities ................................................................................................................................ 19
Table 10. Memory RAS features ........................................................................................................................................ 20
Table 11. Supported hard drives ........................................................................................................................................ 21
Table 12. Supported RAID controllers.............................................................................................................................. 22
Table 13. Hard- drive backplane options ......................................................................................................................... 23
Table 14. PCIe slot configurations .................................................................................................................................... 24
Table 15. Supported NICs and HBAs ................................................................................................................................ 25
Table 16. Power tools and technologies ......................................................................................................................... 26
Table 17. Power supply efficiency .................................................................................................................................... 28
Table 18. Acoustical performance .................................................................................................................................... 30
Table 19. Supported rack types ......................................................................................................................................... 32
Table 20. Primary operating system support .................................................................................................................. 34
Table 21. Virtualization support ........................................................................................................................................ 35
Table 22. iDRAC7 with Lifecycle Controller functions and benefits ........................................................................... 37
Table 23. Feature comparison for basic management, iDRAC7 Express, and iDRAC7 Enterprise ........................ 38
Table 24. One- to- one and one- to- many operations .................................................................................................. 43
Table 25. Supported video modes .................................................................................................................................... 44
Table 26. Environmental specifications ........................................................................................................................... 45
Table 27. Power supply specifications ............................................................................................................................. 46
Table 28. Rail adjustability range ....................................................................................................................................... 46
Table 29. Industry standard documents .......................................................................................................................... 48
Table 30. Additional resources .......................................................................................................................................... 49
Figures
Figure 1. Front view without bezel ................................................................................................................................... 11
Figure 2. Front view with bezel.......................................................................................................................................... 11
Figure 3. Back view .............................................................................................................................................................. 11
Figure 4. Internal view ......................................................................................................................................................... 12
Figure 5. LCD control panel ............................................................................................................................................... 13
Figure 6. QRL location ........................................................................................................................................................ 13
Figure 7. 550W power supply unit ................................................................................................................................... 28
Figure 8. Sliding rails with optional CMA ......................................................................................................................... 31
Figure 9. Static rails ............................................................................................................................................................. 32
Figure 10. Dell systems management solutions .............................................................................................................. 36
Figure 11. Systems management server lifecycle ........................................................................................................... 42
Figure 12. System dimensions ............................................................................................................................................ 44
Figure 13. R420 system board block diagram .................................................................................................................. 51