ASRock Z170 Pro4 User Manual - Page 22

Expansion Slots (PCI Express Slots), PCIe Slot Configurations

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Z170 Pro4 2.4 Expansion Slots (PCI Express Slots) There are 5 PCI Express slots on the motherboard. Before installing an expansion card, please make sure that the power supply is switched off 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. PCIe slots: PCIE1 (PCIe 3.0 x1 slot) is used for PCI Express x1 lane width cards. PCIE2 (PCIe 3.0 x16 slot) is used for PCI Express x16 lane width graphics 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. PCIE5 (PCIe 3.0 x1 slot) is used for PCI Express x1 lane width cards. PCIe Slot Configurations Single Graphics Card PCIE2 x16 PCIE4 N/A Two Graphics Cards in CrossFireXTM Mode x16 x4 For a better thermal environment, please connect a chassis fan to the motherboard's chassis fan connector (CHA_FAN1, CHA_FAN2 or CHA_FAN3) when using multiple graphics cards. English 17

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17
English
Z170 Pro4
2.4
Expansion Slots (PCI Express Slots)
°ere are 5 PCI Express slots on the motherboard.
PCIe slots:
PCIE1 (PCIe 3.0 x1 slot) is used for PCI Express x1 lane width cards.
PCIE2 (PCIe 3.0 x16 slot) is used for PCI Express x16 lane width graphics 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.
PCIE5 (PCIe 3.0 x1 slot) is used for PCI Express x1 lane width cards.
PCIe Slot Configurations
For a better thermal environment, please connect a chassis fan to the motherboard’s
chassis fan connector (CHA_FAN1, CHA_FAN2 or CHA_FAN3) when using mul-
tiple graphics cards.
Before installing an expansion card, please make sure that the power supply is
switched off 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.
PCIE2
PCIE4
Single Graphics Card
x16
N/A
Two Graphics Cards in
CrossFireX
TM
Mode
x16
x4