ASRock Z170M Extreme4 User Manual - Page 23

Expansion Slots PCI Express Slots

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Z170M Extreme4 2.4 Expansion Slots (PCI Express Slots) here are 4 PCI Express slots on the motherboard. 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. 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 x16 slot) is used for PCI Express x8 lane width graphics cards. PCIE4 (PCIe 3.0 x16 slot) is used for PCI Express x4 lane width graphics cards. PCIe Slot Conigurations Single Graphics Card PCIE1 x16 PCIE3 N/A PCIE4 N/A Two Graphics Cards in CrossFireXTM or SLITM x8 Mode x8 N/A hree Graphics Cards in 3-Way CrossFireXTM Mode x8 x8 x4 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. English 17

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17
English
Z170M Extreme4
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 x16 slot) is used for PCI Express x8 lane width graphics cards.
PCIE4 (PCIe 3.0 x16 slot) is used for PCI Express x4 lane width graphics cards.
PCIe Slot Con±gurations
³or a better thermal environment, please connect a chassis fan to the motherboard’s
chassis fan connector (C´A_³AN1 or C´A_³AN2) when using multiple graphics
cards.
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.
PCIE1
PCIE3
PCIE4
Single Graphics Card
x16
N/A
N/A
Two Graphics Cards in
CrossFireX
TM
or SLI
TM
Mode
x8
x8
N/A
Hree Graphics Cards in
3-Way CrossFireX
TM
Mode
x8
x8
x4