650W Power Supplies

4 650W power supplies from MSI and Rosewill. Prices run $43 to $183.

MSISpec score 9.2

650 Watts, Gold, ATX, Non-modular

+650W output in a standard ATX form factor

+80 PLUS Gold efficiency certification

+Low noise operation

−Non-modular design means cables cannot be removed

$42.74-39%List: ~~$69.99~~

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

RosewillSpec score 9.2

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

SilverStoneSpec score 9.2

650 Watts, Gold, SFX

+Compact SFX form factor for small builds

+650W output for mid-to-high systems

+Includes 16-pin GPU connector

$183.40

as of 11/04/2026 07:08 PST - Details

MSISpec score 9.2

650 Watts, Gold, ATX, Non-modular

+650W output suits mid-range builds

+ATX 3.1 standard for current PC builds

+Active PFC listed

−Non-modular cabling leaves all cables permanently attached

$59.99

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

Compare specs

Watts	Efficiency	Form	Modular	Spec score	Price
650	Gold	ATX	Non-modular	9.2	$42.74 as of 11/04/2026 00:18 PST - Details
650	Gold	ATX	Non-modular	9.2	$47.97 as of 11/04/2026 07:06 PST - Details
650	Gold	SFX		9.2	$183.40 as of 11/04/2026 07:08 PST - Details
650	Gold	ATX	Non-modular	9.2	$59.99 as of 11/04/2026 00:18 PST - Details

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