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Power Supplies under $100

All Power Supplies

1 power supplies under $100 from Rosewill, Thermaltake, MSI and more. Price: $78.99.

All filtersFilters (2)×
Watts: 300  ×Price: Under $100  ×Clear all
BrandSilverStone1
Watts65098507750550031000222013001450155016001
EfficiencyBronze1
FormSFX1
PriceUnder $1001Under $1501$50 & above1$75 & above1
Clear allShow 1 power supply
Watts: 300  ×Price: Under $100  ×1 resultSort byRecommendedSpec scorePrice: low to highPrice: high to low
SilverStoneSpec score 7.5

300 Watts, Bronze, SFX

−300 watts: 29 of the 31 here have more watts
$78.99
as of 11/04/2026 07:08 PST - Details

Compare specs

power supplyWattsEfficiencyFormModularATX versionSpec scorePrice
300BronzeSFX7.5$78.99
as of 11/04/2026 07:08 PST - Details

Before you buy

Other price ranges

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