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Power Supplies under $50

All Power Supplies

5 power supplies under $50 from Rosewill and Esgaming. Most cost $35 to $47, and half cost less than $40.

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Modular: Non-modular  ×Clear all
BrandRosewill2Esgaming1Evounic1MSI1
Watts65045501
EfficiencyGold2Bronze1
FormATX4
ModularNon-modular5Fully modular2Semi-modular1
Clear allShow 5 Power Supplies
Modular: Non-modular  ×5 resultsSort byRecommendedSpec scorePrice: low to highPrice: high to low
MSISpec score 8.7

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
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
RosewillSpec score 8.7

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
EvounicSpec score 8.1

650 Watts, Bronze, ATX, Non-modular

+650W output in a standard ATX form factor
+80 PLUS Bronze efficiency certification
+Non-modular design with fixed cables
−Non-modular design means cables cannot be removed
$39.96
as of 11/04/2026 14:09 PST - Details
Esgaming

650 Watts, ATX, Non-modular

+650 watts for mid-range builds
+Includes 120mm fan for cooling
+Switchable 115/230 voltage input
−Non-modular cabling leaves unused cables inside the case
$34.96
as of 11/04/2026 14:09 PST - Details

Compare specs

power supplyWattsEfficiencyFormModularSpec scorePrice
650GoldATXNon-modular8.7$42.74
as of 11/04/2026 00:18 PST - Details
550Non-modularn/a$35.98
as of 11/04/2026 07:06 PST - Details
650GoldATXNon-modular8.7$47.97
as of 11/04/2026 07:06 PST - Details
650BronzeATXNon-modular8.1$39.96
as of 11/04/2026 14:09 PST - Details
650ATXNon-modularn/a$34.96
as of 11/04/2026 14:09 PST - Details

Before you buy

Other price ranges

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Popular filters

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Power Supplies by use

Power Supply for a Gaming PC121

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