Vantec Dual M.2 SSD RAID PCIe X4 Host Card (VANTEC UGT-M2PC300R)- M2 Interfaces: 2 x M.2 SSD interface with B Key only, NOT for NVMe, M.2 Size: Length support 22x42, 22x60, or 22x80mm, Connectivity: PCIe Connector: PCIe x4 or better (x8 or x16), Power Supply: PCIe Bus powered (3.3V), OS Support: Windows 7/8/8.1/10, or Linux with AHCI support