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Power supplies

Picking a power supply for your build — back to the builder

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SeaSonic

SeaSonic FOCUS SPX (2021) SFX 650W Fully Modular 80+ Platinum Certified

650 W
SFX
100 mm long

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SeaSonic

SeaSonic G12 Black / Blue 550W Semi-Modular 80+ Gold

550 W
ATX
140 mm long

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SeaSonic

SeaSonic G12 GC 850W Non-Modular 80+ Gold

850 W
ATX
140 mm long

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SeaSonic

SeaSonic G12 GC Black / Blue 550W Non-Modular 80+ Gold Certified

550 W
ATX
140 mm long

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SeaSonic

SeaSonic G12 GM Black / Blue 650W Semi-Modular 80+ Gold

650 W
ATX
140 mm long

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SeaSonic

SeaSonic G12 GM Black / Blue 850W Semi-Modular 80+ Gold Certified

850 W
ATX
140 mm long

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SeaSonic

SeaSonic G ATX 360W Non-Modular 80+ Gold Certified

360 W
ATX
139 mm long

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SeaSonic

SeaSonic G ATX 450W Semi-Modular 80+ Gold Certified

450 W
ATX
160 mm long

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SeaSonic

SeaSonic G ATX 550W Semi-Modular 80+ Gold Certified

550 W
ATX
160 mm long

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SeaSonic

SeaSonic G ATX 650W Semi-Modular 80+ Gold Certified

650 W
ATX
160 mm long

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SeaSonic

SeaSonic G ATX 750W Semi-Modular 80+ Gold Certified

750 W
ATX
159 mm long

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SeaSonic

SeaSonic M12II 620W Non-Modular 80+ Bronze

620 W
ATX
140 mm long

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SeaSonic

SeaSonic M12II 650W Semi-Modular 80+ Bronze Certified

650 W
ATX
160 mm long

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SeaSonic

SeaSonic M12II 750W Semi-Modular 80+ Bronze Certified

750 W
ATX
160 mm long

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SeaSonic

SeaSonic M12II 850 EVO Black 850W Fully Modular 80+ Bronze Certified

850 W
ATX
170 mm long

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SeaSonic

SeaSonic M12II 850W Fully Modular 80+ Bronze Certified ATX

850 W
ATX
170 mm long

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SeaSonic

SeaSonic M12II ATX 380W Non-Modular 80+ Bronze Certified

380 W
ATX
139 mm long

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SeaSonic

SeaSonic M12II ATX 430W Non-Modular 80+ Bronze Certified

430 W
ATX
139 mm long

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SeaSonic

SeaSonic M12II ATX 520W Fully Modular 80+ Bronze Certified

520 W
ATX
160 mm long

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SeaSonic

SeaSonic M12II ATX 850W Semi-Modular 80+ Bronze Certified

850 W
ATX
160 mm long

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SeaSonic

SeaSonic M12II EVO ATX 520W Fully Modular 80+ Bronze Certified

520 W
ATX
160 mm long

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SeaSonic

SeaSonic Platinum 1200W 80+ Platinum Certified Fully Modular

1200 W
ATX
189 mm long

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SeaSonic

SeaSonic Platinum 660W 80+ Platinum Fully Modular

660 W
ATX
160 mm long

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SeaSonic

SeaSonic Platinum 760W Fully Modular 80+ Platinum

760 W
ATX
160 mm long

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Data: BuildCores OpenDB (ODC-By 1.0) · Cybenetics (Public certification database — attributed use) · PSU Tier List — Cultists Network (CC BY-NC-SA 4.0) · Curated in-repo list (In-repo curated data) · TechPowerUp CPU Database (TechPowerUp database licensing — see TOS.md) · TechPowerUp GPU Database (TechPowerUp database licensing — see TOS.md) · AMD Gaming Benchmarks (Manufacturer-published benchmark data — attributed use) · GameGPU (Editorial measurements — ingested as private model anchors with attribution; tables never republished) · PassMark Software (Proprietary benchmark data — see TOS.md for the pending-enablement posture) · Geekbench (Primate Labs) (Proprietary benchmark data — see TOS.md for the pending-enablement posture) · Best Buy (Best Buy Developer API — attributed use per API terms (see TOS.md)) · eBay (eBay Buy (Browse) API — attributed use per API License Agreement (see TOS.md)) · 3DCenter GPU Performance Index (meta-review) · Tom's Hardware CPU gaming hierarchy (derived relative index)

Specs and estimates are compiled from published sources and can contain gaps — verify critical dimensions and support lists with the manufacturer before you buy.