Dell EMC PowerEdge T640 - Page 5

Installing a 3.5 inch drive adapter into the 3.5 inch drive carrier.......................................................................... 77
Removing a 2.5 inch drive from a 3.5 inch drive adapter......................................................................................78
Installing a 2.5 inch drive into a 3.5 inch drive adapter..........................................................................................79
Power supply units...........................................................................................................................................................80
PSU specications.....................................................................................................................................................80
Hot spare feature........................................................................................................................................................81
Removing a power supply unit blank........................................................................................................................81
Installing a power supply unit blank..........................................................................................................................82
Removing a AC power supply unit...........................................................................................................................82
Installing a AC power supply unit............................................................................................................................. 83
Removing a DC power supply unit...........................................................................................................................84
Installing DC power supply unit................................................................................................................................ 85
Wiring instructions for a DC power supply unit..................................................................................................... 85
System cover....................................................................................................................................................................86
Removing the system cover.....................................................................................................................................86
Installing the system cover........................................................................................................................................87
Inside the system............................................................................................................................................................. 88
Air shroud..........................................................................................................................................................................89
Removing the optional GPU air shrouds.................................................................................................................89
Installing the optional GPU air shrouds................................................................................................................... 90
Removing the air shroud............................................................................................................................................91
Installing the air shroud............................................................................................................................................. 92
Cooling fans......................................................................................................................................................................93
Cooling fan specications......................................................................................................................................... 93
Cooling fan matrix......................................................................................................................................................94
Removing a middle or rear cooling fan....................................................................................................................94
Installing a middle or rear cooling fan...................................................................................................................... 95
Removing the right external fan.............................................................................................................................. 96
Installing the right external fan................................................................................................................................. 97
Cooling fan (middle fan) assembly.................................................................................................................................98
Removing the middle cooling fan assembly ...........................................................................................................98
Installing the middle cooling fan assembly.............................................................................................................. 98
Flex bays........................................................................................................................................................................... 99
Removing a NVMe drive bay or ex bay.................................................................................................................99
Installing a NVMe drive bay or ex bay................................................................................................................. 100
Optical drives and tape drives....................................................................................................................................... 101
Optical drives and tape drives specications.........................................................................................................101
Removing the optical or tape drive blank..............................................................................................................102
Installing the optical or tape drive blank................................................................................................................ 102
Removing the optical drive cage or tape drive.....................................................................................................103
Installing the optical drive cage or tape drive....................................................................................................... 104
Removing the slim optical drive..............................................................................................................................105
Installing the slim optical drive................................................................................................................................ 106
NVDIMM-N battery........................................................................................................................................................107
Removing the NVDIMM-N battery........................................................................................................................ 107
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