Product material: Aluminium shell + plastic plug Interface type: SATA interface Transmission interface: USB 3.0/USB 2.0 Input: 100--240V 50-60MHZ Output: 12V /5V Compatible operating systems: WINDOWS 98/SE/ME/2000/XP/ISTA/WIN7/WIN8/WIN10/MAC OS 8.6 or the latest version USB2.0 transmission speed theory can reach 480MBPS / sec USB3.0 transmission speed theory can reach 5.0GBPS / sec The theoretical values are for reference only, affecting all aspects of speed, please understand