A Voltage Regulator Module, commonly known as VRM, is an essential component in modern computing systems. It acts as a bridge between the power supply and the processor, ensuring that the CPU receives the precise voltage it needs to operate efficiently. While it may not be as well-known as CPUs or GPUs, VRM plays a vital behind-the-scenes role in maintaining system performance and reliability.

What is a VRM?

A VRM is a power delivery component integrated onto the motherboard that adjusts the voltage coming from the power supply to a level suitable for the processor or other components like GPUs. Modern processors operate at much lower voltages than what a standard power supply unit (PSU) delivers. The VRM takes the higher voltage from the PSU, usually 12V, and steps it down to around 1V or lower, depending on the CPU’s needs. This precise regulation is crucial for the stability and performance of the system.