Flip this, pull that, open it right up, the Z820's side panel pops off with the greatest of ease.

Our motherboard's map is conveniently etched on the interior of the side panel, directing us to all of the riches, and the proper loading order for RAM installation.

We love a good treasure map, and HP seems happy to provide them.

The Mac Pro features a similarly easy-to-open case, so we're one for one so far. But for how long?