User guide

AppendixA.Systemmemoryspeed
TheIntelXeon
®
microprocessorfamiliescompatiblewiththisThinkStationcomputerfeatureanintegrated
memorycontroller,whichprovidesthemicroprocessorwithdirectaccesstothesystemmemory.Because
ofthisdesign,thesystemmemoryspeedwillbedeterminedbyanumberoffactors,includingthe
microprocessormodelandthetype,speed,size(capacity),andnumberofDIMMsinstalled.Refertothe
followingtablefortheinformationonthesupportedsystemmemoryspeedforyourowncomputermodel.
Table3.DIMMtypeandspeed:PC3-12800
DIMMoperatingvoltageMicroprocessormodelMemoryfrequency
IntelXeonE3-1280V3,E3-1270V3
IntelXeonE3-1240V3,E3-1230V3
IntelXeonE3-1220V3
IntelXeonE3-1275V3,E3-1245V3
IntelXeonE3-1225V3
1.5V
Inteli7-4770,i5-4670,i5-4570
1600MHz
Table4.DIMMtypeandspeed:PC3-12800E
DIMMoperatingvoltageMicroprocessormodelMemoryfrequency
IntelXeonE3-1280V3,E3-1270V3
IntelXeonE3-1240V3,E3-1230V3
IntelXeonE3-1220V3
IntelXeonE3-1275V3,E3-1245V3
IntelXeonE3-1225V3
1.5V
Inteli7-4770,i5-4670,i5-4570
1600MHz
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