Apple Mac Pro - Adding PCI Express Cards

68 Chapter 3 Making a Good Thing Better
Adding PCI Express Cards
YoucanexpandthecapabilitiesofyourMacProbyinstallingcardsinthePeripheral
ComponentInterconnect(PCI)Expressslots.YourMacProhasonedouble-widePCI
ExpressgraphicsslotandthreePCIExpressexpansionslots,foratotaloffourslots.
TheseslotsaccommodatePCIExpressgraphicscardsandexpansioncards.
About PCI Express Cards
YourMacProcomeswithahigh-performancePCIExpressgraphicscard,which
containsthegraphicsprocessingunit(GPU)andprovidesthecomputer’sdisplayports.
Thegraphicscardisinstalledinslot1.
YoucaninstalladditionalPCIExpressgraphicsandexpansioncards.Beforeinstallinga
card,checkitsspecicationstomakesureitcanoperateinyourMacPro:
Â Slots1and2arex16,PCIExpress2.0slots
Â Slots3and4arex4,PCIExpress2.0slots
Allfourslotssupport16-lanecards.
NOTICE: CombinedmaximumpowerconsumptionforallfourPCIExpressslotsmust
notexceed300watts(W).