Seagate 8 GB 1" USB Pocket Drive ST68022U-RK Built-in, retractable USB 2.0 cable is always available when you need it, protected in the sleek, round shell when you don&#8217;t. Just plug this drive into your computer&#8217;s USB 2.0 port and go. You don&#8217;t need a power supply. Hot-swappable, so you can connect and disconnect without turning off your computer. 3600-RPM drive with 2-Mbyte cache consistently delivers the high performance you need. Works with your PC and Mac.