Supports 2230, 2242, 2260, and 2280 lengths M.2 PCIe / NVMe SSD Allows concurrent usage of all 3 M.2 SSD slots Supports 1 x M.2 PCIe SSD (M key) utilizing PCIe x4 interface Supports 2 x M.2 SATA SSD (B key) Supports PCIe Gen4 Supports SATA 6Gbps Low-profile expansion slot included Supports PCIe CLKREQ# function