ASUS ROG CROSSHAIR VIII IMPACT AMD AM4 X570 Mini-DTX gaming motherboard (ASUS ROG CROSSHAIR VIII IMPACT) -AMD AM4 Socket 3rd and 2nd AMD Ryzen™/2nd and 1st Gen AMD Ryzen™ with Radeon™ Vega Graphics Processors, Memory: 2 x DIMM, Max. 64GB, DDR4 5100(O.C)/4866(O.C)/4800(O.C.)/4600(O.C)/4400(O.C)/4266(O.C.)/4133(O.C.)/4000(O.C.)/3866(O.C.)/3733(O.C.)/3600(O.C.)/3466(O.C.)/3400(O.C.)/3200/3000/2933/2800/2666/2400/2133 MHz, Expansion Solts: 1 x PCIe 4.0 x16, 1 x PCIe 3.0 x16, 1 x PCIe 3.0 x16, Storage:SATA 6Gb/s*4(RAID 0, 1, 10) USB 3.1 GEN 1 (USB 3.0) 2@front; 4@back USB 2.0, Operating System: Windows® 10 64-bit, Form Factor: 8 inch x 6.7 inch ( 20.3 cm x 17 cm )