Specifications
iv PowerEdge M420 Technical Guide
Tables
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 ............................................................................................................................ 22
Table 11. Supported drives................................................................................................................................................. 22
Table 12. RAID controller feature support ...................................................................................................................... 23
Table 13. Supported mezzanine cards............................................................................................................................. 25
Table 14. Power tools and technologies ......................................................................................................................... 28
Table 15. M420 acoustical performance ......................................................................................................................... 30
Table 16. Primary operating system support ................................................................................................................... 31
Table 17. Virtual guest operating system support .......................................................................................................... 31
Table 18. Virtualization support ........................................................................................................................................ 32
Table 19. iDRAC7 with Lifecycle Controller functions and benefits ........................................................................... 34
Table 20. Feature comparison for iDRAC7 Enterprise and iDRAC7 Express for Blades .......................................... 35
Table 21. One-to-one and one-to-many operations .................................................................................................. 39
Table 22. Supported video modes .....................................................................................................................................41
Table 23. Environmental specifications ........................................................................................................................... 42
Table 24. Industry standards documentation ................................................................................................................. 44
Table 25. Additional resources .......................................................................................................................................... 46
Figures
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 ..........................................................................................................................14
Figure 6. M420 connectivity matrix for 32 blades......................................................................................................... 26
Figure 7. Fabric interconnectivity examples................................................................................................................... 27
Figure 8. Dell systems management solutions .............................................................................................................. 33
Figure 9. Systems management server lifecycle ........................................................................................................... 39
Figure 10. Module dimensions .............................................................................................................................................41
Figure 11. M420 system board block diagram ................................................................................................................ 48










