Add a second internal drive
Use the OWC Data doubler to install a 5400RPM 2.0TB hard drive inside your 2011 or later Mac mini. This DIY kit includes all the tools necessary, coupled with our free installation videos that offer step-by-step instructions, so you can perform the entire upgrade on your own.
Bigger, Better, Stronger
Hard drives are an economical way to add significant storage. Already an amazing feat of engineering it's shocking so much power can be installed into the Mac mini with the OWC Data Doubler. It is simply the best way to expand the capacity and capability of your already powerful mini and even better, you can do it yourself!
Take Your Time Machine With You!
With all this available capacity, you can designate one of the drives as the Time Machine backup. For the best of both worlds, you could either use the HDD as one large 2.0TB drive or partition it and use half as a standard drive.