be quiet! Power Supplies

2 be quiet! power supplies. Prices run $126 to $139.

be quiet!Spec score 7.4

450 Watts, Bronze, SFX

+SFX form factor fits small form factor cases

+Rated at 450 watts for compact builds

−Lower 450 watt output limits high-power components

$126.00-21%Was: ~~$160.00~~

as of 11/04/2026 13:06 PST - Details

be quiet!Spec score 7.8

600 Watts, Gold, SFX

+SFX form factor fits Mini ITX and compact PCs

+Rated at 600 watts with 80 Plus Gold efficiency

+Quiet Performance design for low noise operation

$139.90

as of 11/04/2026 13:06 PST - Details

be quiet! Power Supplies at a glance

2 of the 182 Power Supplies we list are be quiet! (1%). Half of them cost less than $133; across all Power Supplies, half cost less than $160.

Most listed here: 450 watts (1), Bronze efficiency (1), ATX form (6).

Counts and prices are this site's own listings; prices are the ones shown on the cards.

power supply	Watts	Efficiency	Form	ATX version	Spec score	Price
	450	Bronze	SFX		7.4	$126.00 as of 11/04/2026 13:06 PST - Details
	600	Gold	SFX		7.8	$139.90 as of 11/04/2026 13:06 PST - Details

Spec scores, pros and cons, and prices are explained in the How it works section of the About page.