Click or scroll to zoom Tap or pinch to zoom 12TB External HDD by Seagate Retail $399.99 SKU STKP12000400 1 2 3 4 5 6 7 8 9 10+ Quantity Quantity Add to cart This item is a recurring or deferred purchase. By continuing, I agree to the cancellation policy and authorize you to charge my payment method at the prices, frequency and dates listed on this page until my order is fulfilled or I cancel, if permitted. The Seagate Expansion desktop drive provides extra storage for your files. Instantly add space, consolidate files to a single location, or free up space on your computer's internal drive.