Conversely, buying a 550W unit for a 5090-tier graphics card isn't brave—it's arson. Your PC will randomly shut down the moment you launch Cyberpunk 2077 .
Those little cylinders inside your PSU are like rechargeable batteries. They degrade over time. A brand new 650W PSU might deliver a clean 650W today. But after three years of heat and dust? It might only reliably deliver 550W. power supply calculator pc
Because when you’re in the middle of a boss fight, the last thing you want to hear is a click, a whirring-down fan, and total darkness. Let the calculator keep the lights on. Conversely, buying a 550W unit for a 5090-tier