Abstract: A computer frame assembly including a case having a front face on which a panel is secured thereon. The panel includes a plurality of slots. The case includes a sidewall having an inner surface and at least two substantially U-shaped tracks running along the length of the inner surface of the sidewall and an open end of which at least one flange having at least one hole is defined therein. The computer frame assembly includes a frame 3 having an outer side. The outer side includes an outer surface. At least two pairs of rollers are mounted on the outer surface of the outer side of the frame and are rotatably received in the tracks so that the frame can be slidably inserted or removed from the case. The frame includes at least one positioning hole defined on the back face of the frame. The holes of the flange correspond to the positioning holes of the back face of the frame, such that when the respective holes are aligned, the frame and the case are aligned as well and secured together by fasteners.