ASROCK Z77 Extreme9 Quick Installation Manual page 22

2.6 Expansion Slots (PCI Express Slots)
There are 7 PCI Express slots and 1 mini-PCI Express slot on this motherboard.
PCIE slots:
PCIE1 / PCIE5 (PCIE 3.0 x16 slot) is used for PCI Express x16 lane
width graphics cards, or to install PCI Express graphics cards to support
CrossFireX
PCIE3 / PCIE7 (PCIE 3.0 x16 slot) is used for PCI Express x8 lane
width graphics cards, or to install PCI Express graphics cards to support
CrossFireX
PCIE2 (PCIE 3.0 x16 slot) is used for PCI Express x16 lane width
graphics cards.
PCIE4 (PCIE 2.0 x16 slot) is used for PCI Express x4 lane width graph-
ics cards or ASRock Game Blaster.
PCIE6 (PCIE 2.0 x1 slot) is used for a PCI Express x1 lane width card,
such as a Gigabit LAN card, SATA2 card, etc.
MINI_PCIE1 (mini-PCIE slot) is used for WiFi + BT module.
Single Graphics Card
Two Graphics Cards in
TM TM
CrossFireX or SLI
Three Graphics Cards in
TM
3-Way CrossFireX or
TM
3-Way SLI Mode
Four Graphics Cards in
TM
4-Way CrossFireX or
TM
4-Way SLI Mode
22
TM TM
or SLI function.
TM TM
or SLI function.
PCIE Slot Confi gurations
PCIE1 PCIE2
N/A x16
x16 N/A
Mode
x8 N/A
x8 N/A
ASRock Z77 Extreme9 Motherboard
PCIE3 PCIE5 PCIE7
N/A N/A N/A
N/A x16 N/A
x8 x16 N/A
x8 x8 x8