ASRock Z77 Extreme11 manual Expansion Slots PCI Express Slots, Pcie Slot Configurations

2.4 Expansion Slots (PCI Express Slots)

There are 7 PCI Express slots and 1 mini_PCI Express slot on this moth- erboard.

Mini-PCIE Slots: MINI_PCIE1 is used for mini-PCIE cards.

PCIE slots: PCIE2, PCIE4 and PCIE6 (PCIE 2.0 x1 slots) are used for PCI Express x1 lane width cards, such as a Gigabit LAN card or SATA2 cards, etc.

PCIE1 (PCIE 3.0 x16 slot) is used for PCI Express x16 lane width graphics cards.

PCIE3 and PCIE5 (PCIE 3.0 x16 slot) are used for PCI Express x8 lane width graphics cards, or used to install PCI Express graphics cards to support CrossFireXTM or SLITM.

PCIE7 (PCIE 2.0 x16 slot) is used for PCI Express x4 lane width graphics cards.

PCIE Slot Configurations

	PCIE1	PCIE3	PCIE5	PCIE7
Single Graphics Card	x16	N/A	N/A	N/A
Two Graphics Cards in	x8	N/A	x8	N/A
CrossFireXTM or SLITM Mode
Three Graphics Cards in
3-Way CrossFireXTM or	x8	x8	x8	N/A
3-Way SLITM Mode
Four Graphics Cards in	x8	x8	x8	x4
4-Way CrossFireXTM

1.For 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.

2.Only PCIE1, PCIE3 and PCIE5 slots support Gen 3 speed. To run PCI Express in Gen 3 speed, please install an Ivy Bridge CPU. If you install a Sandy Bridge CPU, the PCI Express will run only at PCI Express Gen 2 speed.

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