ASROCK H170M Pro4S Benutzerhandbuch Seite 19

2.4 Expansion Slots (PCI Express Slots)
here are 4 PCI Express slots on the motherboard.
PCIe slots:
PCIE1 (PCIe 3.0 x16 slot) is used for PCI Express x16 lane width graphics cards.
PCIE2 (PCIe 3.0 x1 slot) is used for PCI Express x1 lane width cards.
PCIE3 (PCIe 3.0 x1 slot) is used for PCI Express x1 lane width cards.
PCIE4 (PCIe 3.0 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 PCIE4
x16 N/A
x16 x4
H170M Pro4S
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