Chipset Intel Z390 , 4 x DDR4 DIMM Up to 128 GB , Dual channel memory , - Support for DDR4 4266(O.C.)/4133(O.C.)4000(O.C.) / 3866(O.C.) / 3800(O.C.) / 3733(O.C.) / 3666(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 , Support XMP Profile , ATX Form . 1x PCI-E x16 slot 3.0 , 1x PCI-E x4 slot 3.0 , 2x PCI-E x1 slot 3.0 , 1x M.2 (CNVI) . Support for AMD Quad-GPU CrossFire and 3 Way/2-Way AMD CrossFire technology , Realtek® ALC892 codec , 1x Intel® GbE LAN chip (10/100/1000 Mbit) . 1x M.2(2242/2260/2280/22110) , 1x M.2 (2242/2260/2280), 6x SATA 6Gb/s , Support for RAID 0, 1, 5, 10 , 1 x USB Type C (back) , with USB 3.1 Gen 2 support . 1x USB 3.1 gen 2 Type A (back) . 6x USB 3.1 Gen1 (4 back/ 2 header) . 4x USB 2.0 (header) . 1x TPM header . 1x Thunderbolt™ add-in card connector . Intel® Optane™ Memory Ready