be quiet! Power Supplies under $150

5 be quiet! power supplies under $150. Most cost $100 to $139, and half cost less than $126.

be quiet!Spec score 9.3

750 Watts, Platinum, ATX, Fully modular

+Platinum: the highest efficiency of the 5 here

+Fully modular: only 2 of 5 here have one

$99.90-38%List: ~~$159.90~~

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

be quiet!Spec score 7.6

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 8.5

1000 Watts, Gold, ATX, ATX 3.1

+1000W output for high-power graphics cards and builds

+ATX 3.1 standard with PCIe 5.1 GPU support

+16-pin GPU connector included

$109.90

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

be quiet!Spec score 8.1

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!Spec score 9.3

1000 Watts, Gold, ATX, Fully modular

+1000 watts: the most watts of the 5 here

+Gold: only 1 of 5 here have a higher efficiency

$139.90

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

Compare specs

Watts	Efficiency	Form	ATX version	Spec score	Price
750	Platinum	ATX	ATX 3.1	9.3	$99.90 as of 11/04/2026 13:06 PST - Details
450	Bronze	SFX		7.6	$126.00 as of 11/04/2026 13:06 PST - Details
1000	Gold	ATX	ATX 3.1	8.5	$109.90 as of 11/04/2026 13:06 PST - Details
600	Gold	SFX		8.1	$139.90 as of 11/04/2026 13:06 PST - Details
1000	Gold	ATX	ATX 3.1	9.3	$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.