Power Supplies under $150

3 power supplies under $150 from MSI, Thermaltake, be quiet! and more. Prices run $60 to $139.

ThermaltakeSpec score 8.1

600 Watts, Gold, ATX, Non-modular

+600W continuous output in a standard ATX form factor

+Supports SLI and Crossfire configurations

+Built to ATX 12V V2.4 and EPS V2.92 standards

−Non-modular design means all cables are permanently attached

$59.99-14%List: ~~$69.99~~

as of 11/04/2026 08:06 PST - Details

RgeekSpec score 8.9

600 Watts, Gold, Fully modular

+600W output in a compact 1U form factor

+Fully modular cabling reduces clutter

+Mini ITX form factor fits small builds

$109.99

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

be quiet!Spec score 8.1

600 Watts, Gold, SFX

+SFX form factor fits Mini ITX and compact PCs

+Rated at 600 watts with 80 Plus Gold efficiency

+Quiet Performance design for low noise operation

$139.90

as of 11/04/2026 13:06 PST - Details

Compare specs

Watts	Efficiency	Form	Modular	Spec score	Price
600	Gold	ATX	Non-modular	8.1	$59.99 as of 11/04/2026 08:06 PST - Details
600	Gold		Fully modular	8.9	$109.99 as of 11/04/2026 11:11 PST - Details
600	Gold	SFX		8.1	$139.90 as of 11/04/2026 13:06 PST - Details

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