General description: ASUS Hyper M.2 x16 4th generation card (PCIe 4.0/3.0) The Asus Hyper M.2 is equipped with four M.2 slots that support PCIe 3.0 and 4.0 standards so you can expand your PC's capabilities by installing high-performance NVMe drives. In addition, it has a large radiator and active cooling fan, which guarantees the stability of the drives at high load. Description of products ASUS HYPER M.2 X16 GEN 4 CARD - interface adapter - M.2 Card - PCIe 4.0 x16 Type of device Interface adapter - card inserted into the socket Bus Type PCIe 4.0 x16 Supported housing genera Expansion Slot is M.2 Additional recesses 4 x internal - M.2 2242/2260/22110 Compact HDD housings M.2 Interface M.2 Card Data transmission speed 256 Gbit/s Dimensions (wide/deep/high) 1.5 cm x 27 cm x 12.2 cm