z77 slotThe Z77 Extreme4 expansion slot area features one PCI-e X16, one PCI-e X8, two PCI-e X1, and two PCI slots. A single graphics card will operate at X16 speeds, but two cardsP8Z77-V-LX - ASUS - Intel - Z77 DDR3 4-Slot System Board Socket 1155 - Desktop Motherboard ; Ex. VAT. £185.42 MSRP: £250.31 ; SKU: P8Z77-V