A computer component mounting apparatus includes a bracket assembly (200) secured in a computer chassis (10), and a top panel (30) attached to the bracket assembly. The bracket assembly includes a first bracket for receiving fans (50) therein. The first bracket includes a pair of side panels (21), and a number of spaced beams (25) connecting top extremities of the side panels. A pair of retaining tabs (26) depends from opposite side edges of each beam. A number of supporting tabs (24) are formed from inner surface of the side panels in the bottom. The fans are disposed in the first bracket, held by the supporting tabs and the retaining tabs. The top panel is covered on the top of the bracket assembly by fasteners to hold fans in the computer chassis.