Manual - S5M Flatpack Kit 2026.05

Do NOT Overtighten The Screws! — Stop turning once resistance is felt; do not exceed one-quarter turn

Build on the included mat to protect panels from scratches!

1. Unscrew the fasteners on both sides of the chassis to remove the two side mesh panels

2. Remove the screws from the front and back of the chassis frame

3. Detach the small rear cable management cover

4. Unscrew and remove the power supply unit (PSU) mounting bracket located at the bottom

5. Remove the screws securing the middle crossbeam (which separates the upper and lower chambers and supports the GPU), and slide it out of the frame

Secure the motherboard firmly onto the removed motherboard tray using four #4 screws

Mount the power supply (PSU) onto the previously removed PSU bracket, and plug the chassis's internal power extension cable into the PSU receptacle

Connect and route all motherboard cables first, then install your CPU and cooling fan

1. Secure the PCIe riser cable to the crossbeam using screws.

2. Mount the middle crossbeam and connect the PCIe riser to the motherboard.

3. Fasten the middle crossbeam to the main chassis frame using a #4 screw

1. Attach the base stand to the bottom of the chassis using four #3 screws.

2. Slide the graphics card horizontally into the upper chamber, firmly seat it into the PCIe slot, and plug the GPU cable into the motherboard.

3. Use the #6 screws to secure the GPU's I/O bracket to the rear PCIe expansion slots of the chassis