Only four wires, power SW power LED +, power LED -, connect them to the corresponding pin on motherboard. 1 x Magnetic adhesive. For desktop PC only, not for laptop. If both original and external power on button use together, find POWER_SW (or JFP1, F_PANEL, JPANEL. etc) header on motherboard and plug the splitter header on it, connect switch cble to corresponding pin.
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