ocaholic.ch posted a review on the Corsair TX850W power supply

Meanwhile Corsair was able to establish in the high-end power supply market. With the TX850W they present a power supply that comes with a +12V rail that can cope with a massive 70 A therefore it is called a single rail PSU. Furthermore the efficieny should be above 80 percent and life expectancy is about 100'000 hours.

Corsair TX850W power supply Review