Summary: Works well and quiet. Never hear the fan. Mounted unit in the top of a modified case with vent holes for best heat dispersion. Six months and no problems. Sata connectors are hard to install into drives, but I hear other units have the same fit.
BIOS shows actual 12v value is 12.614v (more than 5% difference)
2 November 2014
Summary: Fan fan is noticeable, and there's sort of bzz sound (my system takes only 150w so it's not stressed). The 12v is wayyy too high, which's a risk - you don't expect such value from a quality PSU. My cheap Chieftec had much better value 12.13v which's on the safe side.
Summary: This unit installed very easily into my fractal design r4 case. It's quiet and provides the appropriate amount of power. Seasonic also included a few large velcro ties in addition to the standard plastic zip-ties for cable management. The only possible downside is that has just 2 PCI-E expansion slots. This was fine for me since I was only using a single graphics card, but anyone trying to run lots of expansion cards will be disappointed.
Summary: Pro: Great and reliable power deliver. Quiet fan. Modular. Con: Coil whine. It is not that bad, and is inaudible over my quiet case fans when my tower is under the desk; however, if you were looking for a truly silent or close to silent system, look elsewhere.
Summary: I am using this in a media computer and a quiet fan is a must. The first unit I received from Amazon had its fan stuck on high, but I returned it with no problem and replaced it with another that works properly. The unit is very quiet. The modular design really helped the cable management in a small case and the price is very reasonable for a 80 Plus Gold unit from a quality manufacturer. Overall I'm satisfied.
Summary: I choose this PSU because: 1. It was a well rated Gold certified unit made by a trusted company. I used [...] to interpolate the efficiency of this model. 2. It is a modular design. 3. It is more than enough for me to grow my PC into.