Offer valid on qualifying products bought online through the WD Store from February 15, 2013 to March 31, 2013 at 11:59 PM PDT. Sales quantities are limited. WD reserves the right to change or discontinue these offers at any time without notice. Receive free standard shipping (UPS Ground) on purchases over $100 (excluding tax) delivered within the United States, except for addresses in Hawaii, Alaska or Puerto Rico. These offers are not valid at the WD Employee store or WD Partner stores.