2 pcs. Adapter USB 3.0 do NGFF M.2 B with SSD key in external housing Description: External M.2 SSD enclosure, USB 3.1 interface. M.2 to USB3.1 enclosure with SATA3.0 and USB3.0 specifications. Connect the NGFFB SSD key/dongle do your computer via USB port. Support 22x30mm. Disks 22x42mm, 22x60mm, 22x80mm (excluding hard drives). Support UASP and M.2 SSD do Micro USB 3.1, high read and write speed do 6 Gb/s. Support NGFFSSD based on Support for Windows98/SE/ME/2000/XP/Vista/Win7/win8/win10/MacOS8.6. External housing made of aluminum alloy, portable. Specification: Material: Aluminum Alloy Support interface: B key/key/key M Output connector: System: for 98/Se /2000/XP/Vista/Win7/Win8/Win10/OS 8.6 or latest version Size Chart: Size: approx. 106 x 33 x 9 mm / 4,17 x 1,30 x 0,35 inches The package includes: Housing 2 x M.2 to USB-C 2 x USB-C cable 2x screwdriver