dimensions of appearance CM42: Dimensions: 81.41 x 33.6 x 7.5 mm / 3.21 x 1.32 x 0.30 in. CM80: 4.73" x 1.32" x 0.30"; 120.16 mm x 33.6 mm x 7.5 mm CM42 weight: 29 g, or 1.02 oz. CM80: 1.45 oz or 41 g Interface Bus Interface SATA III 6Gb/s Interface Connection Interface USB 3.1 Gen 1 Environment of Operation Temperature range for operation: 0°C (32°F) to 70°C (158°F). Temperature of Storage: -40°C (-40°F) Approximately 85°C (185°F) 5V is the operating voltage. Take note PCI-Express M.2 SSDs are incompatible with the M.2 SSD Enclosure Kit. Certificate of Warranty: CE, FCC, BSMI, KC, RCM A two-year limited warranty Policy of Warranty For additional details regarding the Transcend Warranty Policy, kindly click this link. Contents of the Package Screwdriver, mounting hardware, metal plate, aluminum sticker, Type-C to Type-A USB cable (45 cm), enclosure, M.2 adapter, and mounting