S12 Energy Plus
   Power Angel
   PC Power Supply
   IPC & Server PSU
   Open Frame


The S12 Series conforms fully to Intel's ATX12V, Revision 2.0 PSU Design Guideline. The S12 supports the latest P4 Prescott and Athlon 64/64 FX processors, as well as PCI Express, Serial ATA and SLI as well as Crossfire. The S12 takes Seasonic's industry leadership to new heights of technological superiority.

All S12 Series power supplies share the common features detailed here. They differ mainly in rated power output capacity: 330, 380, 430, 500 and 600 watts. The same top-notch quality and superior design is found in each and every S12 model. S12 are recommend for its stability, high efficiency, powerful, and low noise.

All upgraded S12 series power supplies comply with European Union RoHS and WEEE requirements and perfectly balance performance, silence and intelligence.

Recommend by Reviewer


*Find out more S12 awards and review, please go to Review

Special Features

Multiple +12V Outputs
Enhanced +12V current capability broadens utilization possibilities.

High Reliable Aluminum Electrolytic Capacitors
Top quality components increase product life & reliability.

Super High Efficiency [up to 85%]
Optimal solution for low energy consumption, noise & heat.

Active Power Factor Correction [99% PF]
Reduces line loss & power distortion.

Forward Converter Circuit Design
Advanced design for high reliability & efficiency.

Universal AC Input [Full Range]
Plug & run safely anywhere in the world.

Smart & Silent Fan Control [ SFC]
Smart thermal control to balance noise & cooling.

12cm Ball Bearing Cooling Fan
Increases airflow & lifetime and reduces rotation speed ad noise.

Soft-Mounting Rubber Cushions
Reduces fan rotation & vibration noise.

Ultra Ventilation [Honey Comb Structure]
Doubles the airflow & lifespan with half the RPM & noise.

PCI-Express Connector(s)
Supports new PCI-E connector(s) for Video Card(s).
(*500W and higher models are nVidia SLI and ATI CrossFire approved.)

Patented Easy Swap Connector
Unplug the connectors easily & quickly.

All in One DC Cabling Design(*applies to models 430W and above.)
Supports PC, IPC, workstation, server, & dual CPU systems.

3 Year Warranty
Our Commitments to superior quality.

Product Information


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