Dell External R720 T Technical Manual page 4

Appendix B. Standards compliance ............................................................................................................................. 58
Appendix C. Additional resources ................................................................................................................................. 59
Appendix D. System board block diagram ................................................................................................................... 61
Table 1. New technologies ................................................................................................................................................. 7
Table 2. Comparison of PowerEdge R710, R720, and R720xd ................................................................................... 9
Table 3. Technical specifications .................................................................................................................................... 10
Table 4. Chassis features ................................................................................................................................................... 16
Table 5. Security features .................................................................................................................................................. 19
Table 6. Supported processors ........................................................................................................................................ 21
Table 7. Memory technologies supported .................................................................................................................... 23
Table 8. DIMMs supported ............................................................................................................................................... 24
Table 9. Memory speed capabilities ............................................................................................................................... 25
Table 10. Memory RAS features ........................................................................................................................................ 26
Table 11. Chassis options ................................................................................................................................................... 27
Table 12. Supported hard drives ....................................................................................................................................... 28
Table 13. Supported external storage device types....................................................................................................... 29
Table 14. RAID controllers ................................................................................................................................................. 30
Table 15. Supported Select Network Adapter options and features .......................................................................... 33
Table 16. PCIe expansion slots .......................................................................................................................................... 34
Table 17. Supported NICs and HBAs ................................................................................................................................ 34
Table 18. Additional supported PCIe expansion cards ................................................................................................. 35
Table 19. Power tools and technologies ......................................................................................................................... 36
Table 20. Power supply efficiency .................................................................................................................................... 38
Table 21. R720 acoustical performance (2.5-inch chassis) ......................................................................................... 40
Table 22. R720xd acoustical performance (2.5-inch chassis) ..................................................................................... 40
Table 23. Supported rack rail system ............................................................................................................................... 42
Table 24. Primary operating system support .................................................................................................................. 44
Table 25. Virtual guest operating system support ......................................................................................................... 45
Table 26. Virtualization support ........................................................................................................................................ 45
Table 27. iDRAC7 with Lifecycle Controller functions and benefits ........................................................................... 47
Table 28. Feature comparison for iDRAC7 Express and Enterprise ............................................................................ 48
Table 29. One-to-one and one-to-many operations .................................................................................................. 52
Table 30. Chassis weight .................................................................................................................................................... 54
Table 31. Environmental specifications ........................................................................................................................... 55
Table 32. Power supply specifications ............................................................................................................................. 56
Table 33. Supported video modes .................................................................................................................................... 56
Table 34. Rail adjustability ranges ..................................................................................................................................... 57
Table 35. Industry standard documents .......................................................................................................................... 58
Table 36. Additional resources .......................................................................................................................................... 59
Figure 1. R720 front view (2.5" chassis with bezel) ........................................................................................................ 13
Figure 2. R720 front view (2.5" chassis without bezel) .................................................................................................. 13
Figure 3. R720xd front view (with bezel) .........................................................................................................................14
Figure 4. R720xd front view (2.5-inch chassis without bezel) .....................................................................................14
Figure 5. R720 back view ....................................................................................................................................................14
Figure 6. R720xd back view ................................................................................................................................................ 15
Figure 7. R720 internal chassis view ................................................................................................................................. 15
Figure 8. R720xd internal chassis view ............................................................................................................................. 16
Figure 9. R720 LCD control panel ..................................................................................................................................... 17
Figure 10. R720xd LED panel ...............................................................................................................................................18
Figure 11. QRL code inside chassis.....................................................................................................................................18
PowerEdge R720 and R720xd Technical Guide
iv