Ultra flat mobile hard drive with stainless steel frame (most slim mobil hard drive worldwide): CAPACITY 500 GB HARD DRIVE TYPE 2.5“ (6.35 cm) slimline, low noise, low power consumption INTERFACE USB 3.0, can also be connected to USB 2.0 port* DATA TRANSFER SPEED max. 5,000 Mbit/s (USB 3.0), max. 480 Mbit/s (USB 2.0), theoretical data transfer speeds POWER REQUIREMENTS power via USB port, no power adapter required DIMENSIONS 120 x 120 x 9 mm WEIGHT 190 g SURFACE scratch-resistant stainless steel *When connected to USB 2.0, the data transfer speed will be according to USB 2.0 specification.