FSP Group FSP300-60GHS-R 300W

A 300W unit with 80+ efficiency certification and non-modular cabling. 300W covers mainstream builds with a modest GPU. It uses the SFX form factor — confirm your case lists SFX support. Power supplies are the wrong place to cut corners — efficiency certification correlates with build quality and warranty length.

At $158.02 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 FSP, with terms that vary by region. Scroll down for the complete spec table; the builder's compatibility checker will warn you about any conflicts with components you have already picked.