A 80 mm x 80 mm fan is designed for this PSU and operates when loading is exceed the safety internal temperature setting.
It means that fanless is just a veil.

How about the new generation power supply?

Coolermsater : RS-450-ACLY (450W PSU)

http://www.coolermaster.com

SS-300FB is fixed on 230V only.
SS-300FT is a auto range model for you reference.

Greeting,

As I know, they remarked their rating label on PSU. Please think about how can they get safety approval sheet if the primary and secondary heat-sink is the same one. .....

To cool down the heat of heat-sink is really important after shutdown the PC. But how to provide the energy to exhaust fan when power is off? Does anyone test the PSU which announced the feature in the market? Please share your experience.

How do you think a power supply which shows how many watts you are using within your system? Coolermaster has released their new 450W power supply in Computex Taipei. It is not only a real power 450W PSU but also a loading measurement display for user. Generally, we don't know how many loading we ar...