However, the certification you really need to check for safety is . These are safety marks that ensure the unit won't catch fire, shock you, or fail catastrophically.
Your components will thank you. Have you ever been burned by a fake PSU certification? Share your story in the comments below! psu certification check
Check the database. Before you build: Check the sticker. When in doubt: Stick with known brands (Corsair, EVGA, Seasonic, Be Quiet, Cooler Master) and verify their UL numbers anyway. However, the certification you really need to check