be quiet! STRAIGHT POWER E9 | 450W 450W

This is a 450W unit with 80+ Gold efficiency certification and non-modular cabling. It uses the ATX form factor — confirm your case lists ATX support. 450W covers mainstream builds with a modest GPU. Power supplies are the wrong place to cut corners — efficiency certification correlates with build quality and warranty length.

Expect to pay around $105.58, which lands it among mid-range options. Drop it into the PlanMyPC builder to check compatibility with the rest of your parts and compare current power supply prices across retailers. be quiet! backs the product through its standard warranty channels; check the listing for region-specific terms.