Seagate STDT8000100 Backup Plus 8TB USB 3.0 External Hard Drive for $199.99 shipped. Here is a screenshot for reference. Alternatively, it is available at Amazon for $199.99 shipped. This is the largest consumer hard drive currently available and should give you the bragging rights of having the biggest hard drive on the block for some time to come. Your spouse or significant other would be proud. Most places have this 8TB USB hard drive for about $249.