Finally, the mid-speed cooling fan is made by Hong Hua and it uses a fluid dynamic bearing, which besides a long lifetime also provides silent operation. Modern Standby is a upcoming feature for Windows 10 that vastly improves your PC's sleep and wake functionality. When at low and medium loads, the fan stops spinning entirely until it's needed, resulting in virtually silent operation. With 80 PLUS Platinum and ETA-A+ efficiency certifications there is no doubt that the AX850 is highly efficient and the LAMBDA-A+ noise certification clearly depicts its quiet operation, even under tough conditions.

If you need the best 850W power supply and you don't have a restrictive budget, the AX850 should be among your top choices. We find it pretty strange that Corsair rated their new RM units at only 40°C since all RM units feature a semi-passive operation, which will inevitably lead to increased operational temperatures.With precise timings, RMe supports Modern Standby, ensuring extremely fast wake-from-sleep times and better low-load efficiency. For consistent, reliable power and superb electrical performance, each RMe Series power supply features a robust resonant LLC topology with DC-DC conversion and 105° rated industrial-grade capacitors. Since this PSU features a single +12V rail, we do not have anything to comment on about its power distribution.

We have already reviewed the AX1000, and we were impressed enough to provide it with an editor's choice award.

These durable and flexible cables come in triple-layer mesh paracord sleeving with included interlocking cable combs for an easy-to-install, professional looking build. As we see it, in the near future the AX860i will be probably replaced by the AX850, which easily meets its performance, although this is a bit of a paradox, a digital platform to get replaced by an analogue one. The same care that goes into the design and testing of our renowned high-power enthusiast power supplies also goes into the TX-M Series semi-modular, because you need confidence and reliability regardless of your build budget. This is the platform used in the Seasonic Prime Titanium Ultra models, and it is considered among the best analog platforms in today's market. CORSAIR HX series power supplies give you extremely tight voltage regulation, quiet operation, Platinum-certified efficiency, and a fully modular cable set.

CORSAIR provides a ten-year warranty on all RM Series power supplies; your guarantee of reliable operation that will last across several system builds. The super-efficient operation of the TX Series semi-modular results in lower energy use and lower operating costs. Completely modular cables means you only connect the cables your system needs, and the wide range of included cables adds broad compatibility with modern graphics cards and motherboards. Built with all Japanese 105°C capacitors, they’re a great choice for high performance PCs where reliability is essential. Since it generates less heat, the fan doesn’t need to work as hard, and you’ll enjoy near silent operation.CORSAIR RMx series fully modular power supplies are built with the highest quality components to deliver 80 PLUS Gold efficient power to your PC, with virtually silent operation.