1. Loosen two thumbscrews located on the right side of SG04-FH and detach side-panel gently.
2. Loosen three screws near front I/O module and detach it gently.
3. Install USB 3.0 front I/O module (part number: G11303260) with included new plastic holder and secure with two screws.
4. Assemble parts back in reverse order carefully. Your case is now USB3 ready.