This Hard Drive

CompUSA.com has the I/O Magic GigaBank 1TB Hard Drive for $250 with free shipping. It contains two 500GB drives, as evidenced by the girth of the enclosure and the specs.

Product description from CompUSA.com:

(Based on manufacturer’s information)Store all your data on our GigaBank 1000GB External USB Hard Disk Drive. With enough space to store all your music, data, pictures and video-clips, the GigaBank is a great way to add more storage capacity for your ever increasi!
ng storage requirements. With your GigaBank External Hard Drive, you can store everything!

Features:

• Drive supports Windows: XP/2000/ME
• Dual IDE Hard Drives built in
• Easy Setup and Installation
• High Speed USB 2.0
• Sleek Aluminum Body
• Store or Backup Your Data, Music, Movies, and Pictures

Product link.