ATX Power Supplies

3 ATX power supplies from MSI, Corsair, ASUS and more. Prices run $50 to $74.

RosewillSpec score 7.5

650 Watts, Bronze, ATX, Semi-modular

−Bronze: 86 of the 91 here have a higher efficiency

$49.96-17%List: ~~$59.99~~

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

MSISpec score 7.5

650 Watts, Bronze, ATX, Semi-modular

+650W output suits mid-range gaming builds

+Semi-modular design for partially detachable cables

+Compact ATX design fits smaller cases

$74.99

as of 11/04/2026 00:18 PST - Details

CorsairSpec score 7.5

650 Watts, Bronze, ATX, Semi-modular

+Provides 650 watts in standard ATX form factor

+Semi-modular cabling reduces unused cables

+Designed for low-noise operation

No current price. Check it at the store.

Compare specs

Watts	Efficiency	Form	Modular	ATX version	Spec score	Price
650	Bronze	ATX	Semi-modular	ATX 3.1	7.5	$49.96 as of 11/04/2026 07:06 PST - Details
650	Bronze	ATX	Semi-modular		7.5	$74.99 as of 11/04/2026 00:18 PST - Details
650	Bronze	ATX	Semi-modular		7.5	No current price

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