Rosewill Power Supplies under $100

3 Rosewill power supplies under $100. Prices run $50 to $98.

RosewillSpec score 9.5

1000 Watts, Gold, ATX, Fully modular

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

+Fully modular cable design

+Includes 16-pin PCIe 5.1 12V-2x6 connector

$94.99-14%List: ~~$109.99~~

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

RosewillSpec score 9.3

850 Watts, Gold, ATX, Fully modular

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

+Fully modular cable design

+Includes 16-pin PCIe 5.0 12V-2x6 connector

$98.90

as of 11/04/2026 07:06 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	ATX version	Spec score	Price
1000	Gold	ATX	Fully modular	ATX 3.1	9.5	$94.99 as of 11/04/2026 07:06 PST - Details
850	Gold	ATX	Fully modular	ATX 3.1	9.3	$98.90 as of 11/04/2026 07:06 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.