There's a new type of storage coming our way soon, they call it 5D Superman Memory Crystal storage because the glass disc is nano-structured and has a lifetime of 13.8 Billion years at 190 degrees C. The capacity of a single disc is 360TB. Lasers read and write data on nano structured clear discs. I can see buying a disc drive and installing it and simply removing it 5 years later to move and install it in my new computer that comes with one so then I'll have two. Read this: http://mashable.com/2016/02/16/superman-memory-crystal/#8oO74gYr3uqT