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1200W Power Supplies

All Power Supplies

6 1200W power supplies from ASUS and Corsair. Prices run $210 to $325.

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
CorsairSpec score 9.5

1200 Watts, Platinum, Fully modular

+Rated at 1200 watts for high-power multi-GPU builds
+80 Plus Platinum certified for high efficiency
+Fully modular cables reduce clutter inside the case
$325.00
as of 11/04/2026 13:10 PST - Details
FSPSpec score 8.7

1200 Watts, Platinum, ATX

+1200W output for high-load workstation builds
+80 PLUS Platinum efficiency certification
+Standard ATX form factor
$209.99
as of 11/04/2026 14:11 PST - Details
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
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
1200PlatinumFully modular9.5$325.00
as of 11/04/2026 13:10 PST - Details
1200PlatinumATX8.7$209.99
as of 11/04/2026 14:11 PST - Details
1200PlatinumATXFully modularATX 3.19.5No current price

Before you buy

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