HP Personal Media Drive 500 GB USB 2.0 Desktop External Hard Drive HD5000S 3.5-inch 500 GB external hard drive fits into Personal Media Drive slot on HP computers and also works with any computer with USB 2.0 7200 RPM for fast read/write times; USB 2.0 connection for up to 480 Mbps transfer rate Activity and power LED indicators; includes Sonic Backup MyPC software (pre-loaded on drive) http://welcome.hp.com/country/us/en/support.html?pageDisplay=support Technical support 800-474-6836