Lenovo ThinkServer RD650 - Page 24

Powersupply
•Oneortwo550-watthot-swapredundantpowersupplies(Universalinputandcompliantwith80PLUS
Platinum)
•Oneortwo750-watthot-swapredundantpowersupplies(Universalinputandcompliantwith80PLUS
Platinum)
•Oneortwo750-watthot-swapredundantpowersupplies(Highlineinputandcompliantwith80PLUS
Titanium)
•Oneortwo1100-watthot-swapredundantpowersupplies(Universalinputandcompliantwith80
PLUSPlatinum)
•Oneortwo1600-watthot-swapredundantpowersupplies(Highlineinputandcompliantwith80
PLUSPlatinum)
Notes:
–Whenthe1600-wattpowersupplyworkswithlowlineinput,theoutputpowerchangesto1100watts.
–Ifyouareusinguninterruptiblepowersupplies(UPS),ensurethatyouuseonlypure-sineUPSes
withyourThinkServerserver.
Systemfans
Yourserversupportsuptosixhot-swapsystemfans.Thisdesignhelpsyouavoidsignificantcooling
problemswhenasystemfanfails.Youcanreplaceasystemfanwithoutturningofftheserver.Tolocatethe
systemfans,see“Systemboardcomponents”onpage48.
•Ifyourserverisinstalledwithonemicroprocessor,foursystemfans(fan1tofan4)areadequateto
providepropercooling.However,youmustkeepthelocationsforfan5andfan6occupiedbydummy
fanstoensureproperairflow.
•Ifyourserverisinstalledwithtwomicroprocessors,ensurethatallthesixsystemfansareinstalledto
avoidcoolingproblems.
8ThinkServerRD650UserGuideandHardwareMaintenanceManual