Driverheaven posted a review on the FSP fanless 400w PSU
A quote from the article:
>> FSP fanless 400w PSU review
FSP (also known as Fortron-Source) are one of the most experienced computer PSU manufacturers on the planet. Even though they usually keep a low profile and aren't particularly aggressive in the retail market, FSP recently released a very wide range of self-branded retail products. Today we will have a look at one of the most interesting products they released, the Zen 400W Passive PSU.
>> FSP fanless 400w PSU review