Used 500gb Western Digital External HDD.  Used it for game storage for vwii side on the Wii U. This drive must be powered by 120v wall plug to operate. Please see photos. Contact with any questions.

Get extra storage space for your computer with the WD Elements 500GB USB 2.0 portable external hard drive. This powerful device is perfect for storing all your important files, photos, and videos. With a storage capacity of 500GB, you can be sure that you will never run out of space.

The Western Digital drive has a form factor of 3.5 inches and is an internal desktop drive. It supports HDD drive types and has a cache of 32MB. The interface is USB, making it easy to connect to any computer. The product line is Elements and it comes in a unit quantity of 1. Perfect for use in the Computers/Tablets & Networking, Drives, Storage & Blank Media, and Hard Drives (HDD, SSD & NAS) categories.