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ATX 3.1 Power Supplies

All Power Supplies

1 ATX 3.1 power supplies from Corsair, MSI, ASUS and more. Price: $49.96.

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Modular: Semi-modular  ×ATX version: ATX 3.1  ×Clear all
BrandRosewill1
Watts6501
EfficiencyBronze1
FormATX1
ModularFully modular70Non-modular3Semi-modular1
ATX versionATX 3.11
12V-2x6 GPU power12V-2x6 GPU power1
PriceUnder $501Under $751Under $1001
Clear allShow 1 power supply
Modular: Semi-modular  ×ATX version: ATX 3.1  ×1 resultSort byRecommendedSpec scorePrice: low to highPrice: high to low
RosewillSpec score 7.5

650 Watts, Bronze, ATX, Semi-modular

−Bronze: 85 of the 87 here have a higher efficiency
$49.96-17%List: $59.99
as of 11/04/2026 07:06 PST - Details

Compare specs

power supplyWattsEfficiencyFormModularATX versionSpec scorePrice
650BronzeATXSemi-modularATX 3.17.5$49.96
as of 11/04/2026 07:06 PST - Details

Before you buy

Other ATX version options

PC Cases264CPU Coolers393Processors247Data Center GPUs82Graphics Cards371Motherboards640Memory374Storage Drives577Binoculars228Network Cables1,382Cameras2,556Chromebooks196

Popular filters

Fully Modular Power Supplies97ATX Power Supplies95Power Supplies with 12V-2x6 GPU Power8580 Plus Gold Power Supplies76Power Supplies under $15068Power Supplies under $200641000W Power Supplies61850W Power Supplies47

Power Supplies by use

Power Supply for a Gaming PC121

Related product types

ATX 3.0 Power Supplies9

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