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1200W Power Supplies

All Power Supplies

6 1200W power supplies from ASUS and Corsair. Prices run $163 to $259.

All filtersFilters (2)×
Watts: 1200  ×ATX version: ATX 3.1  ×Clear all
BrandASUS2be quiet!1Corsair1Lian Li1SilverStone1
Watts12006
EfficiencyPlatinum4Gold1
FormATX6
ATX versionATX 3.16
PriceUnder $2001Under $2502Under $3002$200 & above2$250 & above1
Clear allShow 6 Power Supplies
Watts: 1200  ×ATX version: ATX 3.1  ×6 resultsSort byRecommendedSpec scorePrice: low to highPrice: high to low
be quiet!Spec score 9.3

1200 Watts, Gold, ATX, Fully modular

+1200 watts: the most watts of the 9 here
−Gold: 6 of the 7 here have a higher efficiency
$162.90
as of 11/04/2026 13:06 PST - Details
Lian LiSpec score 8.7

1200 Watts, Platinum, ATX, ATX 3.1

+Platinum: the highest efficiency of the 7 here
+1200 watts: the most watts of the 9 here
−Fully modular not listed: 5 of the 9 here list one
No current price. Check it at the store.
ASUSSpec score 9.5

1200 Watts, Platinum, ATX, Fully modular

+Platinum: the highest efficiency of the 7 here
+1200 watts: the most watts of the 9 here
$259.99
as of 11/04/2026 12:10 PST - Details
SilverStoneSpec score 9.5

1200 Watts, Platinum, ATX, Fully modular

+Platinum: the highest efficiency of the 7 here
+1200 watts: the most watts of the 9 here
$220.82-5%Was: $231.90
as of 11/04/2026 07:08 PST - Details
Corsair

1200 Watts, ATX, ATX 3.1

+Provides 1200 watts in standard ATX form factor
+Complies with ATX 3.1 standard
+Ready for PCIe 5.1 graphics cards
No price recorded yet.
ASUSSpec score 9.5

1200 Watts, Platinum, ATX, Fully modular

+Platinum: the highest efficiency of the 7 here
+1200 watts: the most watts of the 9 here
No price recorded yet.

Compare specs

power supplyWattsEfficiencyFormModularATX versionSpec scorePrice
1200GoldATXFully modularATX 3.19.3$162.90
as of 11/04/2026 13:06 PST - Details
1200PlatinumATXATX 3.18.7No current price
1200PlatinumATXFully modularATX 3.19.5$259.99
as of 11/04/2026 12:10 PST - Details
1200PlatinumATXFully modularATX 3.19.5$220.82
as of 11/04/2026 07:08 PST - Details
1200ATXATX 3.1n/aNo current price
1200PlatinumATXFully modularATX 3.19.5No current price

Before you buy

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