You can pull a hard drive out of that computer in seconds, with no tools and not one cable to unplug. The drive rides on a tray. It slides in and clicks straight onto a connector built into the case. When this came out, getting inside most computers meant a screwdriver and a fight with a tangle of wires.Then there are the holes. Apple covered the front and back of the case with them so air could pour straight through and carry the heat out, and walled the inside into four sealed sections. Each s