eBay via BuyDig is offering the Western Digital My Passport 2TB USB 3.0 portable hard drive $110 with free shipping. That’s $0.05/GB and the lowest total price we could find by $8. It features password protection and hardware encryption. Get data transfer speeds of up to 5 Gbps with the USB 3.0 interface in this external HDD that makes way for consistent storage and archiving abilities. The Western Digital My Passport uses its USB cable to draw power, eliminating the need for an adapter.
Nearly 3,500 Amazon reviewers rate this drive a tremendous 4.5 stars.
B&H has the Western Digital 1TB Elements SE Portable USB 3.0 Hard Drive for only $59.99 shipped. The hard drive is also bus-powered so you do not need an additional AC power adapter. When connected to a USB 3.0 port, it can transfer files at a rate as high as 5Gb/s while the USB 2.0 tops out at 480Mb/s. Amazon sells this drive for $86 and their customers gave it a rating of 4.5/5 stars with favorable reviews. B&H states they have a limited supply at this price.