DDR4 2133, 2400, 2666, 2800, 2933, 3000, 3200, 3333, 3400, 3466, 3600, 3733, 3866, 4000, 4133, 4266, 4400, 4500, 4600, 4700, 4800, 5000, 5066, 5133, 5333 MT/s Storage Slots 4x 288-Pin Memory Slots for the Intel Z790 CPU Socket LGA 1700 (PCIe 4.0 x4) 2x 2242, 2260, 2280, and 22110 1x PCIe 4.0 x4 2242, 2260, 2280 One 2242, 2260, and 2280 (SATA III, PCIe 4.0 x4) Slots for expansion One PCIe 5.0 x16 PCIe 4.0 x16 (x4 mode) two times One PCIe 3.0 x 1 Wi-Fi 802.11ax Wi-Fi 6E ATX CPU Form Factor Chipset LGA 1700 Back Panel I/O Intel Z790 CPU Socket USB Two USB-C ports (USB 3.2 Gen 2) Two USB-A (Gen 2 USB 3.1/3.2) One USB-C (Gen 2 USB 3.1/3.2) Four USB-A ports (USB 3.0, 3.1, and 3.2 Gen)