Storage capacity: Please Select Formatted as FAT32 file system USB 3.0 Hard drive interface Support plug and play No external power needed Bipra external USB 2.5" portable size hard drive comes with free carry case. You can store all data in your Pocket size drive. Ultra slim design. Formatted and ready to be used. No messing about needed, just plug it into your USB Ports and away you go. Support plug and play. Ideal for data backup, photos, video, iTunes, iPod,MP3, MP4 and presentations etc. . Support USB3.0 with up to 5 GB/Sec ultrahigh transfer speed, backward compatibility usb2.0, copy huge files in a minutes time. Can be utilised on any personal computers, desktop or laptop. Formatted in FAT32 for you to use on Windows + MAC OS and Other devices. Available in black colour.** FAT32 format limitation does not allow Single files of 2GB or 4GB to be transferred depending on OS.