Quick Ship Electronics via eBay offers the Western Digital 6TB My Book USB 3.0 External Desktop Hard Drive for $149.99. Apply coupon code "PCOLUMBUS2017" and checkout via PayPal to cut that price to $119.99. With free shipping, that's $29 under our March mention, the best deal today by $49, and the lowest price we've seen. It features 256-bit AES hardware encryption.