be quiet! POWER 2 400W

This is a 400W unit with 80+ Bronze efficiency certification and non-modular cabling. 400W covers mainstream builds with a modest GPU. It uses the SFX form factor — confirm your case lists SFX support. A dependable power supply protects everything downstream, and efficiency tiers are a decent proxy for overall build quality.

At $273.99 it sits in the premium 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. The full specification sheet below breaks out every listed detail, and the compatibility checker flags conflicts with parts already in your build.