Step 3. The final step was to cut out a vent on the top of the powersupply where there was none. In most powersupplies today this space is occupied by either a secondary fan, or a set of vents so that hot air coming off of the processor can be quickly removed to the outside of the case. This was our biggest qualm with the Zalman ST300BLP when we first reviewed it. The subsequent model has taken care of the issue fully by the way.

Cutting the hole was accomplished by first drawing out the lines of the area we wanted to put grill under, and then by drilling a starter hole for the fret saw blade to thread through so cutting could begin. Cutting out this box took a little bit of time to complete since the blade had a long way to go.