Asus ATX DDR3 1333 LGA 1150 Motherboard Z97-PRO LGA1150 Chipset: Intel Z97 Memory: 4x DDR3-3200(OC)/ 3100(OC)/ 3000(OC)/ 2933(OC)/ 2800(OC)/ 2666(OC)/ 2600(OC)/ 2400(OC)/ 2200(OC)/ 2133(OC)/ 2000(OC)/ 1866(OC)/ 1600/ 1333 DIMM Slots, Dual Channel, Non-ECC, Buffered, Max Capacity of 32GB Slots: 2x PCI-Express 3.0/2.0 x16 Slots (Single at x16, dual at x8/x8), 1x PCI-Express 2.0 x16 Slot (runs at x4), 4x PCI-Express 2.0 x1 Slots Form Factor: ATX, 12.0 x 9.6 inch / 30.5 x 24.4 cm