Seasonic S12II SS-430GB 430w ATX PSU
In the past, many people have judged the quality of a PSU on its weight and size of internal components. However, with many manufacturers moving on to newer and more efficient ways of designing their PSU's, it has become increasingly obvious that this is no longer a reliable method for gauging a power supply's quality.
As the S12II series is effectively cooled "bottom-up" by a 120mm fan, Seasonic have also taken the liberty of designing the heatsinks in a way that will create turbulence in the airflow thus providing more effective cooling. This should certainly help to keep the three rows of mosfets attached to heat sinks fairly cool.
• Size (mm): 120x120x25
• Bearing: BALL
• Speed (RPM): 2050
• Airflow (CFM): 80.5
• Noise (dBA): 38.0
With a noise rating of 38dBA, the ADDA fan certainly doesn't win any awards for being the quietest fan on the planet when running at +12v. However, Seasonic will have undoubtedly installed a fan speed controller in the S12II series to ensure that the fan runs no faster than required at any specified load/temperature level. We'll find out for sure over the next page exactly how loud things get under full load.
Cables & Connectors
It's good to see that Seasonic have decided to sleeve all cables right to the very last connector. Many manufacturers only sleeve some of the cables, or sleeve up to the first connector on every cable leaving the PSU looking a bit unfinished. The sleeving job is professional with cable ties holding the sleeving in place, and heat shrink keeping everything neat and tidy.
In addition to this, all connectors on the S12II are finished in black, with the molex connectors adopting the 'easy grip' design - which should make removal of the connectors from devices easier.