ASROCK Z87M Pro4 Handbuch Seite 23

2.4 Expansion Slots (PCI and PCI Express Slots)
here are 2 PCI slots and 2 PCI Express slots on the motherboard.
PCI slot:
he PCI1 and PCI2 slots are used to install expansion cards that have 32-bit PCI
interface.
PCIe slots:
PCIE1 (PCIe 3.0 x16 slot) is used for PCI Express x16 lane width graphics cards.
PCIE2 (PCIe 2.0 x16 slot) is used for PCI Express x4 lane width graphics cards.
PCIe Slot Conigurations
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Before installing an expansion card, please make sure that the power supply is
switched of or the power cord is unplugged. Please read the documentation of the
expansion card and make necessary hardware settings for the card before you start
the installation.
Single Graphics Card
Two Graphics Cards in
TM
CrossFireX Mode
For a better thermal environment, please connect a chassis fan to the motherboard's
chassis fan connector (CHA_FAN1 or CHA_FAN2) when using multiple graphics
cards.
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PCIE1 PCIE2
x16 N/A
x16 x4
Z87M Pro4
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