Rosewill Power Supplies under $100

2 Rosewill power supplies under $100. Prices run $36 to $47.

Rosewill

550 Watts, Non-modular

+550W output for mid-range builds

+Active PFC design for power factor correction

+Low-noise design for quieter operation

−Non-modular design means all cables are fixed

$35.98-22%List: ~~$45.99~~

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

Rosewill

650 Watts, Gold, ATX, Non-modular

+650W output for mid-range builds

+ATX 3.1 compatible for current PC standards

+Includes a 16-pin PCIe 5.1 GPU connector

−Non-modular design means all cables are fixed

$47.97-20%List: ~~$59.99~~

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

Compare specs

power supply	Watts	Efficiency	Form	Modular	ATX version	Spec score	Price
	550			Non-modular		n/a	$35.98 as of 11/04/2026 07:06 PST - Details
	650	Gold	ATX	Non-modular	ATX 3.1	n/a	$47.97 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.