- You cannot add "Gigabyte Z790 GAMING X AX ATX Motherboard For Intel 12th/13th Gen LGA1700 - Z790 Chipset - PCIe 5.0 - 4x DDR5 Dimm - 4x M.2 - 2x Internal USB 2.0 - 1x Internal USB 3.2 - 1x Internal Type C - 1x 2.5GbE - Wifi AX+ BT" to the cart because the product is out of stock.