Computer case

The utility model discloses a computer case. The case comprises a side plate, a case body, a CD driver fixing frame and a protection frame, a fixing hole is formed in the case body; a hard disk fixingframe is arranged below the CD driver fixing frame; a protective frame is arranged in the case body; a fixed column is arranged on the inner surface of the case body and located above the protectiveframe; a power socket is formed in the surface of the back of the case body; a mainboard wiring port and a display card wiring port are formed in the upper portion of the power socket, a heat dissipation port is formed in the upper portion of the display card wiring port, a threaded column is arranged on one side of the surface of the back of the case body, a boss is arranged on the surface of theside, away from the threaded column, of the case body, and a side plate is clamped to the case body through the threaded column and the boss. The computer case has the advantage that a user can conveniently and quickly disasse