Side 1: MCIO SFF-TA-1016 8X 74Pin; Side 2: 2x U.2 SFF-8639 with 15pin SATA power. Designed for connecting Mini Cool Edge IO (MCIO) interfaces to U.2 devices, such as high-performance NVMe SSDs
M.2 M-Key to MCIO 4i Adapter, Applied for Multiple Expansions, Applicable to Windows Server/Windows/Linux/VMwareESX/ESXi/Centos/Ubuntu System