Plus, it works at relatively high speeds: 15MB/sec reading & 4MB/sec writing. This means a user can transfer up to 1 Gig of data in under 5 minutes. Note also that it comes with a 2-year limited warranty with 24/7, toll-free customer service. And as for compatibility, the drive works with Windows 2000, XP, and Vista—plus Mac OS: 10.5.