1. Dual M.2 SSD Support: Supports two M.2 SSDs simultaneously (one SATA interface and one NVMe interface). 2. M.2 NVMe SSD to PCIE 4.0: Converts an M.2 NVMe SSD (M-key) to a PCIE 4.0 x4 interface (backward compatible with PCIE 3.0, 2.0, 1.0). 3. M.2 SATA SSD to SATA 6Gbps: Converts an M.2 SATA SSD (B-key or B+M-key) to a SATA 6Gbps interface (requires a SATA cable connection). 4. Easy Installation: Includes brackets for standard and slim slots, with no driver installation needed. 5. Support: Supports M.2 SSD sizes 2230, 2242, 2602, 2802, 2110mm. Supports M.2 PCIE interface hard drives. Item Type: Adapter Card Material: PCB NVMe Adapter Card Specifications for Macbook: Interface: M Key Nvme Protocol M.2 to Macbook Interface Supported Hard Drive: M Key M.2 PCIE Interface Support for Macbook Air, for Macbook Pro 2013 to 2017 (Please check before ordering). Package Contents: 1 x Adapter Card 3 x Screws 2 x Standoffs 1 x Screwdriver 1 x Screen 1 x SATA Cable