ASUS Hyper M.2 x16 Gen5 Card (PCIe 5.0/4.0) Supports Four NVMe M.2 (2242/2260/2280/22110) Devices up to 512 Gbps for AMD and Intel® Platform RAID Functions.ASUS HYPER M. 2 X16 GEN5 CARD can support up to 4*M. 2 NVME SSD devices, for both AMD and Intel platform RAID functions. With PCIe Gen5 speed, providing up to 128GT s bandwidth per M. 2 slot, Maximum speed with 4 slots can reach up to 512GT s total. Designed with an extraordinary thermal heatsink, and active blower style fan, it can hold the heat from the latest M. 2 NVME devices, and ease temperature induced throttling that can affect performance