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
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
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
Multiple +12V Outputs
Enhanced +12V current capability broadens utilization possibilities.
High Reliable Aluminum
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 [
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.
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.
Our Commitments to superior quality.