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Power Supplies under $300

All Power Supplies

2 power supplies under $300 from SilverStone, ASUS, Corsair and more. Prices run $250 to $299.

All filtersFilters (1)×
Watts: 1300  ×Clear all
BrandCooler Master1PowerLot1
Watts100013130027502850212001150012501
EfficiencyPlatinum1Titanium1
FormATX2
ModularFully modular2
ATX versionATX 3.12
12V-2x6 GPU power12V-2x6 GPU power2
PriceUnder $2501$250 & above1
Clear allShow 2 Power Supplies
Watts: 1300  ×2 resultsSort byRecommendedSpec scorePrice: low to highPrice: high to low
PowerLotSpec score 9.4

1300 Watts, Titanium, ATX, Fully modular

+1300W output for high-power gaming and workstation builds
+Fully modular cabling reduces cable clutter
+Native 12V-2x6 connector for modern graphics cards
−Higher wattage than most standard builds need
$299.99
as of 11/04/2026 19:06 PST - Details
Cooler MasterSpec score 9.2

1300 Watts, Platinum, ATX, Fully modular

+1300W output for high-power builds
+Fully modular cabling reduces cable clutter
+16-pin GPU connector support
$249.99
as of 11/04/2026 22:23 PST - Details

Compare specs

power supplyWattsEfficiencyFormModularATX versionSpec scorePrice
1300TitaniumATXFully modularATX 3.19.4$299.99
as of 11/04/2026 19:06 PST - Details
1300PlatinumATXFully modularATX 3.19.2$249.99
as of 11/04/2026 22:23 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.