ATX Power Supply Breakout Board USB Charging Desktop Chassis Power Adapter Board
Power output indicator 4 kinds of power output: +12V, -12V, +5V, 3.3V. Output: 5V/2A. +12V normal output = display red. -12V normal output = red. +5V normal output = red. 5VSB normal output = red. 3.3V normal output = show red.