ASRock Z97 Extreme4/3.1 Quick Installation Guide - Page 21

Expansion Slots PCI Express Slots

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Z97 Extreme4/3.1 2.4 Expansion Slots (PCI Express Slots) here are 6 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 2.0 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 2.0 x1 slot) is used for PCI Express x1 lane width cards. PCIE4 (PCIe 2.0 x1 slot) is used for PCI Express x1 lane width cards. PCIE5 (PCIe 3.0 x16 slot) is used for PCI Express x8 lane width graphics cards. PCIE6 (PCIe 3.0 x16 slot) is used for PCI Express x4 lane width graphics cards. PCIe Slot Conigurations Single Graphics Card Two Graphics Cards in CrossFireXTM or SLITM Mode hree Graphics Cards in 3-Way CrossFireXTM Mode PCIE2 x16 x8 x8 PCIE5 N/A x8 x4 PCIE6 N/A N/A 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 19

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19
Z97 Extreme4/3.1
English
2.4
Expansion Slots (PCI Express Slots)
Here are 6 PCI Express slots on the motherboard.
PCIe slots:
PCIE1 (PCIe 2.0 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 2.0 x1 slot) is used for PCI Express x1 lane width cards.
PCIE4 (PCIe 2.0 x1 slot) is used for PCI Express x1 lane width cards.
PCIE5 (PCIe 3.0 x16 slot) is used for PCI Express x8 lane width graphics cards.
PCIE6 (PCIe 3.0 x16 slot) is used for PCI Express x4 lane width graphics cards.
PCIe Slot Con±gurations
PCIE2
PCIE5
PCIE6
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
x4
x4
For a better tHermal environment, please connect a cHassis fan to tHe motHerboard’s cHas-
sis fan connector (C³A_FAN1, C³A_FAN2 or C³A_FAN3) wHen using multiple grapHics
cards.
Before installing an expansion card, please make sure tHat tHe power supply is switcHed o´
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.