ASUS PRIME B840M-A WIFI-CSM is equipped with outstanding features, including 6-layer PCB, DDR5, PCIe 4.0 x16, three M.2 slots, Wi-Fi 6E, 2.5Gb Ethernet, DisplayPort, HDMI™, USB 10Gbps Type-A, USB 5Gbps Type-C®, BIOS FlashBack™, M.2 heatsink, Aura Sync, which will bring maximized performance, stability and compatibility for the best PCDIY experiences