Power Supplies under $250

2 power supplies under $250 from SilverStone, Corsair, ASUS and more. Prices run $174 to $217.

CorsairSpec score 9.1

850 Watts, Platinum, SFX, Fully modular

+850W output for higher-power builds

+Fully modular cable design

+Compact SFX form factor for small cases

$173.85-23%List: ~~$224.99~~

as of 11/04/2026 13:10 PST - Details

SilverStoneSpec score 8.2

850 Watts, Platinum, SFX, ATX 3.0

+Compact SFX form factor for small builds

+850W output for high-end systems

+Includes 16-pin GPU connector

$217.99-7%Was: ~~$233.99~~

as of 11/04/2026 07:08 PST - Details

Compare specs

power supply	Watts	Efficiency	Form	Modular	ATX version	Spec score	Price
	850	Platinum	SFX	Fully modular	ATX 3.0	9.1	$173.85 as of 11/04/2026 13:10 PST - Details
	850	Platinum	SFX		ATX 3.0	8.2	$217.99 as of 11/04/2026 07:08 PST - Details

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