4 x M.2 slots (Key M), type 2242/2260/2280/22110 (supports PCIe 4.0/3.0)* *Supports PCIe M.2 storage devices only

Asus Hyper M.2 x16 Gen 4 Card (PCIe 4.0/3.0), Supports four NVMe M.2 Devices & PCIe 4.0 NVMe RAID and Intel RAID-on-CPU