Use the Mac mini Terabyte Upgrade Guide instead of this First Look to make any modifications to your mini.

Next, disconnect the small black two-wire connector from the interconnect board and move it out of the way.

Remove the four Phillips screws securing the hard drive to the internal frame.

The hard drive easily slides out once it is detached from the interconnect board.

The hard drive is a paltry 120 GB. If you'd like to hold more than six photographs on your computer, you can upgrade to a 500 GB drive for just $130 and a little time.

Apple only allows you to customize the mini with a 320 GB drive, and they want a whopping $175!