Verbatim 1TB 2.5' USB 3.0 Silver. Store'n'Go HDD Grid Design, Nero Backup Software,Supports USB Recording/ Playback 158g, Product Details Capacity: 1TB Interface: USB 3.0 Dimensions: 119mm x 81mm x 14.5mm Product Weight: 158g High speed, high capacity storage. A fast & safe solution to expand storage or backup files USB 3.0 SuperSpeed - for ultra fast data transfer USB plug 'n' play (no additional power required) Nero Backup Software Energy Saving Software USB REC & PLAY* - supports USB recording/ playback System Requirements PC or Mac with USB 3.0 Windows XP / Vista / Windows 7,8 & 10 Mac OS X 10.4 or higher Specifications Power: Bus powered via USB 3.0 cable Interface: USB 3.0 / 2.0 port Data Transfer Rate: up to 4800 Mbits/second (USB Bus Speed) Rotational Speed: 5400rpm Cache: 8MB or greater Operating Temperature: 5°C to 50°C Storage Temperature: -40°C to 70°C Operating Humidity: 5 to 90%, non condensing Pack Contents Portable Hard Drive USB 3.0 Cable Nero Backup Software Green Button Energy Saving Software Verbatim Formatter Quick Start Guide User Guide (pre-loaded on the drive)