LGA2066 DDR4 USB-C SATA 6Gb/s ATX. Model: X299 PRO. Form Factor: ATX. Desktop Motherboard. Type: Desktop Motherboard. Input/Output Ports: 1x Keyboard / Mouse, 1x Gigabit LAN, 1x 2.5G LAN, 5x Audio Connectors, 4x USB 2.0, 4x USB 3.2 Gen1 Type-A, 1x USB 3.2 Gen2x2 20G Type-C, 1x Optical S/PDIF out.