Abstract: A computer housing includes a frame body having a receiving frame for holding therewith a data read/write device, a from board provided with a first floating fastening element, and a second floating fastening element provided on the data read/write device such that the second floating fastening element can be moved to engage with the first floating fastening element of the front board so as to enable the front board to be fastened securely with the frame body. A computer housing has a plurality of floating retainers to facilitate the speedy assembly of the computer, and thereby, the improved computer housing which can be joined with the front board securely without the use of fastening screws.