GameMax GT 300W

This is a 300W unit with 80+ Bronze efficiency certification and non-modular cabling. 300W covers mainstream builds with a modest GPU. It uses the ATX form factor — confirm your case lists ATX support. A dependable power supply protects everything downstream, and efficiency tiers are a decent proxy for overall build quality.

At $114.00 it sits in the high-end power supply bracket. Drop it into the PlanMyPC builder to check compatibility with the rest of your parts and compare current power supply prices across retailers. Support and warranty service run through GameMax, with terms that vary by region. Every published spec is tabulated below, and compatibility against your current part list is checked automatically.