ASRock Z77 WS manual Expansion Slots PCI Express Slots, Pcie slots, Pcie Slot Configurations

2.6 Expansion Slots (PCI Express Slots)

There are 7 PCI Express slots 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 CrossFireXTM or SLITM function.

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 CrossFireXTM or SLITM function.

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.

PCIE Slot Configurations

	PCIE1	PCIE2	PCIE3	PCIE5	PCIE7
Single Graphics Card	N/A	x16	N/A	N/A	N/A
Two Graphics Cards in	x16	N/A	N/A	x16	N/A
CrossFireXTM or SLITM Mode
Three Graphics Cards in	x8	N/A	x8	x16	N/A
3-Way CrossFireXTM or
3-Way SLITM Mode
Four Graphics Cards in	x8	N/A	x8	x8	x8
4-Way CrossFireXTM or
4-Way SLITM Mode

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ASRock Z77 WS Motherboard