Introduction

Seasonic, the first company to produce an 80 PLUS certified power supply, has a new line of consumer-level power supplies called "S12II." S12II is the next generation of its S12 line, and is aimed at the business and home use sector. Besides the 80 PLUS certification the S12II features over power and over voltage protection, easy swap connectors, and a 3 year warranty. Let's take a look at the S12II and see how stable it really is.

Features & Specifications

- Supports latest Intel and AMD processors
- Supports Windows Vista
- MTBF > 100,000 hours @ 25 degrees C
- Supports Serial ATA
- Over Power Protection
- Over Voltage Protection
- Short Circuit Protection
- RoHS compliant
- Multiple +12V Outputs
- 80 PLUS certification, actually reaching 85% efficiency
- Smart & Silent Fan Control
- Supports PCI-Express
- Easy Swap Connector
- Active PFC
- Universal AC input
- 3 Year Warranty

Packaging

The Seasonic S12II 500 comes in a blue and black box with a picture of the PSU on the front with some blue waves behind it. I think the blue waves are a subliminal attempt to reinforce the cool operating temperature of the unit, but that could be just me. The rear of the box explains many of the features listed above in the greatest detail possible in one sentence. The sides bear more feature information, including an explanation of the 80 PLUS certification (80% efficiency).

Inside the box is the unit, a power cable, a screw bag, a 4-pin to floppy adapter, a Seasonic sticker, and a manual. The manual is in English, German, French, Italian, Spanish, Chinese, and Korean.

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