Seagate has rolled out a new and very high capacity external HDD called the 4TB GoFlex Desk Drive. This drive claims to be the highest capacity HDD in the industry. The big 4TB HDD has a new black industrial design that will be rolled out to the entire line of GoFlex drives in the coming weeks. A Mac version of the drive will be offered via Apple Stores in the coming weeks as well. The MSRP for the 4TB GoFlex is $249.99.