StarTech ATXPW500PRO2 500W

This is a 500W unit with 80+ efficiency certification and non-modular cabling. 500W covers mainstream builds with a modest GPU. It uses the ATX form factor — confirm your case lists ATX support. Power supplies are the wrong place to cut corners — efficiency certification correlates with build quality and warranty length.

PlanMyPC's builder flags compatibility problems with the rest of your parts automatically. Warranty coverage follows StarTech's standard policy — confirm regional terms on the listing. Scroll down for the complete spec table; the builder's compatibility checker will warn you about any conflicts with components you have already picked.