ASRock X99M Extreme4 User Manual - Page 23

Expansion Slots (PCI Express Slots), PCIe slots, Single Graphics Card, Two Graphics Cards

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X99M Extreme4 2.4 Expansion Slots (PCI Express Slots) here are 3 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 x16 slot) is used for PCI Express x16 lane width graphics cards. PCIE3 (PCIe 2.0 x16 slot) is used for PCI Express x4 lane width cards. PCIe Slot Conigurations (For CPU with 40 PCIe lanes) Single Graphics Card PCIE1 x16 PCIE2 N/A PCIE3 N/A Two Graphics Cards in CrossFireXTM or SLITM Mode x16 x16 N/A PCIe Slot Conigurations (For CPU with 28 PCIe lanes) PCIE1 PCIE2 PCIE3 Single Graphics Card x16 N/A N/A Two Graphics Cards in CrossFireXTM or SLITM Mode x16 x8 N/A 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
X99M Extreme4
2.4
Expansion Slots (PCI Express Slots)
Here are 3 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 x16 slot) is used for PCI Express x16 lane width graphics cards.
PCIE3 (PCIe 2.0 x16 slot) is used for PCI Express x4 lane width cards.
PCIe Slot Con±gurations (For CPU with 40 PCIe lanes)
PCIE1
PCIE2
PCIE3
Single Graphics Card
x16
N/A
N/A
Two Graphics Cards in
CrossFireX
TM
or SLI
TM
Mode
x16
x16
N/A
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 Slot Con±gurations (For CPU with 28 PCIe lanes)
PCIE1
PCIE2
PCIE3
Single Graphics Card
x16
N/A
N/A
Two Graphics Cards in
CrossFireX
TM
or SLI
TM
Mode
x16
x8
N/A
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.