Dell PowerEdge SDS 100 Dell PowerEdge R720 and R720xd Owner's Manual - Page 5

Cooling Fans...58 Removing A Cooling Fan...58 Installing A Cooling Fan...59 Removing The Cooling-Fan Assembly...59 Installing The Cooling-Fan Assembly...60 Internal USB Memory Key (Optional)...61 Replacing The Internal USB Key...61 PCIe Card Holder...61 Removing The PCIe Card Holder...62 Installing The PCIe Card Holder...63 Opening And Closing The PCIe Card Holder Latch 63 Cable Retention Bracket...64 Removing The Cable Retention Bracket...64 Installing The Cable Retention Bracket...65 Expansion Cards And Expansion-Card Risers...65 Expansion Card Installation Guidelines...65 Removing An Expansion Card From The Expansion-Card Riser 2 Or 3 67 Installing An Expansion Card Into The Expansion-Card Riser 2 Or 3 68 Removing An Expansion Card From The Expansion-Card Riser 1 69 Installing An Expansion Card Into The Expansion-Card Riser 1 70 Removing Expansion-Card Risers...71 Installing Expansion-Card Risers...74 GPU Card Installation Guidelines...74 Installing A GPU Card...75 Removing A GPU Card...76 SD vFlash Card...77 Replacing An SD vFlash Card...77 Removing The vFlash Media Unit...78 Installing The vFlash Media Unit...79 Internal Dual SD Module...80 Removing The Internal Dual SD Module...80 Installing The Internal Dual SD Module...81 Internal SD Card...82 Removing An Internal SD Card...82 Installing An Internal SD Card...82 Integrated Storage Controller Card...82 Removing The Integrated Storage Controller Card 83 Installing The Integrated Storage Controller Card 84 Network Daughter Card...84 Removing The Network Daughter Card...84 Installing The Network Daughter Card...85 Processors...85