The Cable Summary looks a little more complicated than it really is. Corsair does a good job of providing cables and connectors with the RM850. For those that need it, there are two EPS12V connectors included. PCI-E connectors come in three cables with two connectors each giving you the ability to power three GPU's. SATA cables come in long and short varieties to reduce cable clutter.
Rail distribution is as simple as it gets with a single 12V rail. There is no need to worry about load balancing here.
A Look Inside
Opening things up, we find the first power supply that we've ever seen designed by Chicony Power Technology. They are a Taiwanese based manufacturer. Curiously enough, Chicony only makes the 750W and 850W RM power supplies. We'll certainly want to take a look at the other wattages to see how they compare.
A Nichicon bulk capacitor sits on the primary side of the power supply.
The secondary side is littered with a bunch of Taicon caps. We've not seen Taicon capacitors before either, but even though they are Taiwanese made, they are also a division of Nichicon and are quality capacitors.
Cooling our RM850 is Corsair's NR135L 135mm fan.
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