MAXIMUS VI Hero Haswell ATX Motherboard supports Intel Socket 1150 for 4th Generation Core i7/Core i5/Core i3/Pentium/Celeron Processors, Supports Intel 22 nm CPU, Supports Intel Turbo Boost Technology 2.0; Intel Z87 Chipset; 4 x DIMM, Max. 32GB, DDR3 3000(O.C.)/2933(O.C.)/2800(O.C.)/2666(O.C.)/2600(O.C.)/2500(O.C.)/2400(O.C.)/2200(O.C.)/2133(O.C.)/2000(O.C.)/1866(O.C.)/1800(O.C.)/1600/1333 MHz Non-ECC, Un-buffered Memory, Dual Channel Memory Architecture; Integrated Graphics Processor; Supports NVIDIA 4-Way SLI and AMD CrossFireX Technology; 2 x PCIe 3.0/2.0 x16 (x16 or dual x8, red), 1 x PCIe 2.0 x16 (black), 3 x PCIe 2.0 x1; Intel I217V, 1 x Gigabit LAN Controller; ROG SupremeFX 8-Channel High Definition Audio CODEC; ATX Form Factor 12 inch x 9.6 inch (30.5 cm x 24.4 cm).