M key M.2 NGFF SSD to PCI-E X4 adapter or B key M.2 NGFF SSD to SATA adapter. Supports Size: 22X30 mm, 22X42 mm, 22X60 mm, 22X80 mm M.2 NGFF SSD. Supports System: /7/8/10, Linux, for MacOS. With cooling holes for air circulation. Parameter: Type: M.2 NVMe NGFF SSD to PCIE SATA Adapter Internal Interface: M Key ,B Key, B+M Key Transmission Rate: 32Gbps (NVME) , 6Gbps (NGFF) Supports Slots: PCI-E 3.0 X4 GEN3 (Compatible with X4 X8 X16 slot) Supports Devices: PCI-E specification m.2 NVMe and SATA specification M.2 NGFF disk Supports System: for /7/8/10, Linux, for MACOS. Color: Black Material: PCB Package Contents: 1 X riser card 1 X full height bracket 1 X half height bracket 1 X SATA cable 1 X screwdriver 1 set X screw spacers (as shown above) Only the above package content, other products are not included. Note: Light reflection and different screens may cause the color of the item in the picture to be slightly different from the real item. The allowed measurement error is +/- 1-3 cm.