Power Supplies under $75

5 power supplies under $75 from Rosewill, MSI, Thermaltake and more. Most cost $50 to $74, and half cost less than $66.

PhanteksSpec score 9.5

1000 Watts, Platinum, ATX, Fully modular

+1000W output for high-power gaming systems

+Fully modular cable-less design

+16-pin GPU connector for newer graphics cards

$65.96-67%List: ~~$199.99~~

as of 11/04/2026 19:05 PST - Details

RosewillSpec score 9.2

850 Watts, Gold, ATX, Fully modular

+850 watts: only 1 of 18 here have more watts

+Gold: only 1 of 14 here have a higher efficiency

$74.95-17%List: ~~$89.99~~

as of 11/04/2026 07:06 PST - Details

MontechSpec score 9.1

750 Watts, Gold, ATX, Fully modular

+Gold: only 1 of 14 here have a higher efficiency

+750 watts: only 2 of 18 here have more watts

$72.90-9%List: ~~$79.90~~

as of 11/04/2026 18:05 PST - Details

EsgamingSpec score 8.9

500 Watts, Gold, Fully modular

+Delivers 500 watts in an ITX, 1U and Flex ATX form factor

+Fully modular cables reduce clutter in small cases

+Supports 90-264V input range with APFC

$49.98

as of 11/04/2026 14:09 PST - Details

RosewillSpec score 8.9

500 Watts, Fully modular

+500W output for Mini ITX and Flex ATX builds

+Fully modular design reduces cable clutter

+1U form factor for compact systems

$49.99

as of 11/04/2026 07:06 PST - Details

Compare specs

Watts	Efficiency	Form	Modular	Spec score	Price
1000	Platinum	ATX	Fully modular	9.5	$65.96 as of 11/04/2026 19:05 PST - Details
850	Gold	ATX	Fully modular	9.2	$74.95 as of 11/04/2026 07:06 PST - Details
750	Gold	ATX	Fully modular	9.1	$72.90 as of 11/04/2026 18:05 PST - Details
500	Gold		Fully modular	8.9	$49.98 as of 11/04/2026 14:09 PST - Details
500			Fully modular	8.9	$49.99 as of 11/04/2026 07:06 PST - Details

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