What voltage is supplied by power supplies for motherboard components?

The voltage supplied by power supplies for motherboard components is primarily 3.3 volts. This voltage is crucial for powering various components on the motherboard, including the processor, memory modules, and other integrated circuits. Motherboards require specific voltage levels to ensure stable operation and performance, and 3.3 volts is particularly important for logic-level operation in many chips used on the board.

While 5 volts and 12 volts are also supplied by power supplies, they are primarily used for other components such as peripherals (like hard drives, optical drives) and for powering fans or certain high-power components. The 1 volt level is typically associated with specific technologies like DDR memory for signaling but is not a standard supply voltage provided by power supplies for motherboard components.

Understanding these voltage levels and their applications is crucial for ensuring that all components on a motherboard function correctly and efficiently.