An exemplary computer system includes an enclosure, a cage, a plurality of floppy disk drives, hard disk drives, and optical disk drives received, a system power supply, and a plurality of vibration absorbers. The enclosure includes a bottom wall. The cage is attached to the bottom wall of the enclosure and receives the disk drives, the hard disk drives, the optical disk drives and the system power supply therein. The vibration absorbers are disposed between the bottom wall of the enclosure and the cage.