Seasonic Power Supplies

4 Seasonic power supplies. Prices run $130 to $269.

Seasonic

850 Watts, Gold, ATX, Fully modular

+850W output for high-power gaming and workstation builds

+Fully modular cable design

+ATX 3.1 compatible

$129.99

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

Seasonic

1000 Watts, Platinum, ATX, Fully modular

+1000W output for high-end multi-GPU builds

+Fully modular cable design

+ATX 3.1 compatible

$269.99

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

Seasonic

750 Watts, Gold, ATX, Fully modular

+750W output for mid-to-high-power builds

+Fully modular cable design

+ATX 3.1 compatible

$139.99

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

Seasonic

750 Watts, Gold, SFX, Fully modular

+750W output in a compact SFX form factor

+Fully modular cable design

+Fits small form factor builds

$215.00

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

Seasonic Power Supplies at a glance

4 of the 182 Power Supplies we list are Seasonic (2%). Half of them cost less than $178; across all Power Supplies, half cost less than $160.

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

Watts	Efficiency	Form	Modular	ATX version	Spec score	Price
850	Gold	ATX	Fully modular	ATX 3.1	n/a	$129.99 as of 11/04/2026 07:07 PST - Details
1000	Platinum	ATX	Fully modular	ATX 3.1	n/a	$269.99 as of 11/04/2026 07:07 PST - Details
750	Gold	ATX	Fully modular	ATX 3.1	n/a	$139.99 as of 11/04/2026 07:07 PST - Details
750	Gold	SFX	Fully modular		n/a	$215.00 as of 11/04/2026 07:07 PST - Details

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