Tom's Hardware Guide published a review on SilverStone Strider Platinum ST85F-PT PSU
A quote from the article:
SilverStone's Strider Platinum series offers compact dimensions along with Platinum efficiency and a fully modular cable design. The 850W member of this line will be evaluated today. Its strong card against the competition is the 471W power density score.SilverStone Strider Platinum ST85F-PT PSU Review @ Toms Hardware