: He didn't forget the extras—the AIO liquid cooler he’d just unboxed, his three NVMe drives, and the dozen RGB fans that would make his case glow like a neon cathedral.
Take the recommended wattage, add 100W for future upgrades or overclocking, then buy a quality 80+ Gold or better unit from a trusted brand.
When selecting a PSU, consider the following factors:
Stick to reputable brands like EVGA, Corsair, Seasonic, or Be Quiet!
Never use cables from a different PSU model, even if they fit. This can fry your components instantly. If you want to get specific, tell me: What CPU and GPU are you planning to use? Are you planning to overclock ? What is your total budget for the build?
The Newegg PSU Calculator is a reliable starting point. Just follow this rule:
PSUs are generally most efficient when running at 50% to 70% load.