One way to do that is to thoroughly wipe (not simply erase) your old hard drive — for details on how to do that, see our article on fully wiping your computer's hard drive. You can go further ...
The WD My Passport, Works with USB-C is now available at the highest capacity (6TB) of any pocketable, spinning hard drive on the market today. Despite its name, it connects via a USB Micro-B port ...