M.2 SSD compatible USB 3.2 Gen 2 external case, with a maximum transfer speed of 1,026MB/s. - Model: GWM.2NVST-UG3ZC2CA - Connection Interface: USB 3.2 Gen 2 - Supported SSD Type: M.2 (NVMe/SATA) - Maximum Transfer Speed: 1,026MB/s Thank you for viewing. This is a USB 3.2 Gen 2 external case for M.2 SSDs from Kuroutoshikou. It has only been used once. The Type-C cable is unopened. The bonus is an external SSD case. Please consider this as junk.