Seagate Expansion 500 GB USB 3.0 Portable External Hard Drive STAX500102 for $59.99

Seagate external portable drives are compact and perfect for file storage and transfers on-the-go. Instantly add up to 1.5TB (depending on model) more storage space to your computer and take large files with you when you travel. Instantly add more storage space to your computer. View larger Set-up is straightforward. Simply connect a single USB cable and you are ready to go. The drive is powered from the USB cable, so there is no need for an external power supply.