Table 1.
New technologies ................................................................................................................................................ 6
Table 2.
Comparison of PowerEdge M420, M520, and M620 ..................................................................................... 7
Table 3.
Technical specifications ...................................................................................................................................... 8
Table 4.
Module features ...................................................................................................................................................14
Table 5.
Supported processors ........................................................................................................................................ 17
Table 6.
Memory technologies supported .....................................................................................................................18
Table 7.
DIMMs supported ................................................................................................................................................ 19
Table 8.
Memory speed capabilities ............................................................................................................................... 20
Table 9.
Memory RAS features ........................................................................................................................................ 20
Table 10. Hard-drive backplane option ............................................................................................................................ 21
Table 11. Supported drives.................................................................................................................................................. 21
Table 12. RAID controller feature support ...................................................................................................................... 22
Table 13. Supported mezzanine cards............................................................................................................................. 24
Table 14. Power tools and technologies ......................................................................................................................... 27
Table 15. M420 acoustical performance ......................................................................................................................... 29
Table 16. Primary operating system support .................................................................................................................. 30
Table 17. Virtual guest operating system support ......................................................................................................... 30
Table 18. Virtualization support ......................................................................................................................................... 31
Table 19. iDRAC7 with Lifecycle Controller functions and benefits ........................................................................... 33
Table 20. Feature comparison for iDRAC7 Enterprise and iDRAC7 Express for Blades .......................................... 34
Table 21. One-to-one and one-to-many operations .................................................................................................. 38
Table 22. Supported video modes .................................................................................................................................... 40
Table 23. Environmental specifications ............................................................................................................................41
Table 24. Industry standard documents .......................................................................................................................... 43
Table 25. Additional resources ......................................................................................................................................... 44
Figure 1. M420 front view .................................................................................................................................................. 11
Figure 2. M420 sleeve containing four blades ................................................................................................................ 12
Figure 3. M1000e chassis enclosure with 32 M420 blades .......................................................................................... 13
Figure 4. M420 internal module view ............................................................................................................................... 13
Figure 5. QRL code located on module .......................................................................................................................... 15
Figure 6. M420 connectivity matrix for 32 blades......................................................................................................... 25
Figure 7. Fabric interconnectivity examples................................................................................................................... 26
Figure 8. Dell systems management solutions .............................................................................................................. 32
Figure 9. Systems management server lifecycle ........................................................................................................... 38
Figure 10. Module dimensions ............................................................................................................................................ 40
Figure 11. M420 system board block diagram ................................................................................................................ 46
PowerEdge M420 Technical Guide
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