The hard disk is made of aluminum alloy. It can be used to transmit and store data. The item has a hard metal shell, which has good shock and fall resistance. With USB 3.0 interface, you can directly use it to edit files. With NVMe high-speed technology, the transmission speed can reach 1050 MB/s. Compatible with MAC, WIN 7/8/8.1/10, Android, Linux and more. Applicable to office, business trip, gift giving, etc. It is one of reliable for you valued data!