ASUS P8Z68-V LX Intel Motherboard LGA  1155 Z68 SATA 6 Gb/s and USB 3.0 ATX Intel Z68 ATX DDR3 2200 LGA1155 socket for 2nd Generation Intel Core i7/ Core i5/ Core i3 Processors 4 x DIMM, max. 32GB, Dual-channel DDR3 2200(O.C.) */2133(O. C.)/1866(O. C.)/1600/1333/1066 MHz Support 2 x PCI Express 2.0 x16 slots (blue@x16, black@x4) w/ AMD Quad-GPU CrossFireXTechnology Support 2 x SATA 6 Gb/s (RAID 0/1/5/10 Support) 2 x USB 3.0 (back panel) + 12 x USB 2.0 (4 ports at back panel; 8 ports at mid-board) 2 x PCI Express 2.0 x16 slots (blue@x16, black@x4) w/ AMD Quad-GPU CrossFireXTechnology Support 4 x DIMM, max. 32GB, Dual-channel DDR3 2200(O. C.)* /2133(O. C.) /1866(O. C.) /1600/1333/1066 MHz Support Intel Smart Response Technology - Experience the Benefits of both SSD and HDD LucidLogix Virtu - Dynamic switching between i-Mode and d-Mode UEFI BIOS - GUI BIOS with Mouse & 2.2TB+ HDD Support