The voltage regulator module (VRM) takes the direct current from the PSU through the motherboard and converts it down to smaller voltages for the GPU, RAM, and CPU. It’s a vital part of the system since it’s responsible for supplying the two components with a reliable electricity supply. You’ve likely seen power phases thrown about with marketing, but there’s much more to the VRM than how many phases a motherboard has. Here are a few reasons why the quality of VRM matters inside your PC.