Cooling air intake structure and desk top computer

摘要

A cooling air intake structure of a desk-top computer having a housing containing a mother board with a processor, includes one of a passage frame extending from one side to the other side of the housing, defining a passage penetrating through the housing and having a predetermining cross-sectional area, and a recess portion, on each of the sides of the housing, having a predetermined cross-sectional area. The passage frame and the recess portion have a plurality of air intake vents in the wall thereof.