Seagate FreeAgent 500 GB 3.5-Inch USB 2.0 Hard Drive ST305004FDA1E1-RK 500 GB external hard drive connects to your computer via USB cable 7200 RPM spindle speed and 8MB buffer memory 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