Appearance Dimensions 81.4 mm x 33.6 mm x 7.5 mm (3.21" x 1.32" x 0.30") Weight 33 g (1.16 oz) Color Silver Interface USB Type USB Type C to USB Type A / USB Type C to USB Type C Connection Interface USB 3.1 Gen 2 Storage Flash Type 3D NAND flash Capacity 120 GB / 240 GB / 480 GB Operating Environment Operating Temperature 0°C (32°F) ~ 60°C (140°F) Operating Voltage 5V Note Due to the product's high-speed property, elevated temperatures during data transmission may be observed. This does not affect SSD functionality. Performance Read Speed (Max.) up to 520 MB/s Write Speed (Max.) up to 460 MB/s Note Speed may vary due to host hardware, software, usage, and storage capacity. Warranty Certificate CE / FCC / BSMI / KC / RCM / EAC Warranty Three-year Limited Warranty Warranty Policy Please click here for more information about the Transcend Warranty Policy. System Requirement Operating System Microsoft Windows 7 Microsoft Windows 8 Microsoft Windows 10 Mac OS X 10.0 or later