ASUS TUF Z390-PRO GAMING Motherboard (ASUS TUF Z390-PRO GAMING) - Intel Socket 1151 9th / 8th Gen Intel Core, Pentium Gold and Celeron Processors, Memory: 4 x DIMM, Max. 128GB, DDR4, 4266(O.C.)/4133(O.C.)/4000(O.C.)/3866(O.C.)/3733(O.C.)/3600(O.C.)/3466(O.C.)/3400(O.C.)/3333(O.C.)/3300(O.C.)/3200(O.C.)/3000(O.C.)/2800(O.C.)/2666/2400/2133 MHz Non-ECC, Expansion Slots: 2 x PCIe 3.0/2.0 x16 (x16, x8/x8, x8/x4+x4, x8+x4+x4/x0), 1 x PCIe 3.0/2.0 x16 (max at x2 mode), 3 x PCIe 3.0/2.0 x1, Storage: 1 x M.2 Socket 3, with M key, type 2242/2260/2280 storage devices support (SATA&PCIE 3.0 x 4 mode), 1 x M.2 Socket 3, with M key, type 2242/2260/2280/22110 storage devices support (PCIE 3.0 x 4 mode), 6 x SATA 6Gb/s port(s), Operating System: Windows 10 64-bit, Form Factor: 12.0 inch x 9.6 inch ( 30.5 cm x 24.4 cm ), Onboard VGA Output Available: 1 x HDMI + 1 x DP