be quiet! Straight Power 11 550W

A 550W unit with 80+ Platinum efficiency certification and full cabling. 550W 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.

At $157.16 it sits in the high-end power supply bracket. PlanMyPC's builder flags compatibility problems automatically and adds the part's price to your build total. be quiet! backs the product through its standard warranty channels; check the listing for region-specific terms. Scroll down for the complete spec table; the builder's compatibility checker will warn you about any conflicts with components you have already picked.