Seagate FreeAgent Pro 750 GB 3.5" USB 2.0/eSATA External Hard Drive 750 GB external hard drive connects to your computer via USB cable or eSATA 7200 RPM spindle speed for high-speed performance and fast read times Footprint is no bigger than a stapler; Just plug it in and you're ready to go Backup CDs, DVDs or store files and programs for on-the-go Includes external drive, USB 2.0 cable, AC power adapter, and quick start guide; 5-year limited warranty