HYPER M.2 X16 GEN 4 CARD PCIe 4.0/3.0 x16 interface,

HYPER M.2 X16 GEN 4 CARD PCIe 4.0/3.0 x16 interface, compatible with PCIe x8 and x16 slots, support data transfer rates up to 256 Gbps. Up to 4 x M.2 slots (Key M), type 2242/2260/2280/22110 (supports PCIe 4.0/3.0) 1 x M.2 FAN Power Switch 4 x M.2 access LEDs https://www.asus.com/motherboards- components/motherboards/accessories/hyper-m-2-x16-gen-4-card/techspec/