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A Voltage Regulator Module, commonly known as VRM, is a critical component in modern computer motherboards and graphics cards. Its main role is to convert the power from the power supply unit (PSU) into a consistent, stable voltage that your CPU and GPU can safely use. Without a VRM, fluctuating voltages could damage sensitive components or reduce system stability.

How VRMs Work

VRMs function through a series of electronic components including MOSFETs, capacitors, and inductors. These elements work together to regulate the voltage, smoothing out any spikes or dips. The efficiency of a VRM determines how well your system handles high-performance tasks such as gaming, video editing, or overclocking. A high-quality VRM ensures that the CPU and GPU receive clean power even under extreme loads.