Lenovo ThinkServer RD450 - Page 22

Powersupply
•Oneortwo450-watthot-swapredundantpowersupplies(Universalinputandcompliantwith80PLUS
Gold)
The450-watthot-swapredundantpowersuppliesarenotEnergyStar2.0compliant.Forinformation
aboutEnergyStar,see“ENERGYSTARmodelinformation”onpage202
.
•Oneortwo550-watthot-swapredundantpowersupplies(Universalinputandcompliantwith80PLUS
Platinum)
•Oneortwo750-watthot-swapredundantpowersupplies(Universalinputandcompliantwith80PLUS
Platinum)
•Oneortwo750-watthot-swapredundantpowersupplies(Highlineinputandcompliantwith80PLUS
Titanium)
•Oneortwo1100-watthot-swapredundantpowersupplies(Universalinputandcompliantwith80
PLUSPlatinum)
Note:Ifyouareusinguninterruptiblepowersupplies(UPS),ensurethatyouuseonlypure-sineUPSes
withyourThinkServerserver.
Systemfans
Yourserversupportsuptofournon-hot-swapsystemfanswithredundancy.Thisdesignhelpsyouavoid
significantcoolingproblemswhenasystemfanfails.Tolocatethesystemfans,see“Systemboard
components”onpage41.
•Ifyourserverisinstalledwithonemicroprocessor,threesystemfans(fan1tofan3)areadequateto
providepropercooling.However,youmustkeepthelocationforfan4occupiedbyadummyfanto
ensureproperairflow.
•Ifyourserverisinstalledwithtwomicroprocessors,ensurethatallthefoursystemfansareinstalledto
avoidcoolingproblems.
Internaldrives
Internaldrivesaredevicesthatyourserverusestoreadandstoredata.Theinternaldrivessupported
byyourservervarybymodel.
•Internalstoragedrive
Yourserversupportsoneofthefollowingstoragedriveconfigurations:
DrivebaysizeDrivebayquantityDrivetype
3.5-inch8
Hot-swap,SATAorSAS
3.5-inchharddiskdriveor2.5-inchsolid-state
drive
3.5-inch8
Easy-swap,SATAorSAS
3.5-inchharddiskdriveor2.5-inchsolid-state
drive
2.5-inch24
Hot-swap,SATAorSAS
Harddiskdriveorsolid-statedrive
Note:Youcaninstalla2.5-inchdriveintoa3.5-inch-drivebay.Formoreinformation,see“Installinga
2.5-inchdriveintoa3.5-inch-drivebay”onpage143.
8ThinkServerRD450UserGuideandHardwareMaintenanceManual