Note: The capacity is subject to the actual received product. Are you looking for a professional, yet affordable high mobile hard disk? Are you in search of a sturdy, trustworthy tool that can do multiple jobs at once? If yes, look no further Our professional high mible phone must meet you needs. It is one of the best choices for you. Feature - Color: Black. - Meterial: Plastic. - Size: About 13x7.5x1.2 cm. - Hard disk rotational speed: 5400rpm - Cache capacity: 8MB - Hard drive capacity: 500GB - Memory capacity: 1 TB - Internal Interface: SATA - Operating temperature: 32-140F (0-60C) - Adopted of hiigh quality material for durable use. - With no software to install, easy to install and remove. - Simply attach the USB cable to your computer and you are ready to start sending files. - Large capacity, very convenient and practical. - High transmission gives you ultimate using experience. - Compact size design is easy for users to carry in pockets. - Note: MacOSX supports reading and writing data, but does not support formatting.