Corsair RM850x 80 PLUS Gold, 850 Watts, Fully Modular ATX Power Supply Unit - Black

Product Information

your computer faster and consume less power with support for Modern Standby sleep mode. Zero RPM mode ensures virtually silent operation at low and medium loads. Fully modular

Could someone confirm whether this is the case or not and give a reason for the change if it is true, since I have been unable to find a MB that actually needs 3 CPU power cables but there are GPUs that need 3 GPU power cables?The RM850x is rated Gold by both Cybenetics and 80 PLUS, and it also has a Cybenetics A- rating, meaning that its average noise output is within 25-30 dBA at normal operating temperatures (28-32°C). A more aggressive fan speed profile drives the magnetic bearing fan that the new model has, but still, the PSU’s noise won’t trouble you under normal conditions unless you are super sensitive. How you update something that is already on top of its category? Corsair knows this well, because its people already did it with the highly popular RM850x. The newest revision of this product was introduced on 2021 featuring a magnetic leviation fan and three EPS connectors for power hungry CPUs. Powerful Output: With 750 watts of power, this PSU is capable of handling high-end components and demanding tasks.

A 135mm ML fan utilizes a magnetic levitation bearing and custom engineered rotors for high performance, low noise, and superior reliability. As you can see, the trio can be plumbed in concurrently, alongside two runs of dual 6+2-pin PCIe for a couple of high-powered graphics cards. Having a total of 14 SATA feels overkill in 2021, though. OCP at 12V and OPP are correctly set. On the other hand, OCP on the minor rails is set sky-high. There is no need for such high amperage on the minor rails, especially the 3.3V one. Part Analysis General DataThe RM850x achieves high performance with 115V and a top place among Gold 850W PSUs, with 230V. The last time I reviewed the RM850x for Tom’s Hardware, the 850 G7 hadn’t been released, and as you can see on the 115V performance graph, it has a slight lead. I should also point out that I haven’t used the new scoring algorithm for the above graphs because I don’t have data for all PSUs, especially some older ones. The new algorithm considers more factors so that the final scores can change. Epilogue The RMx line has a deserved reputation for premium ripple suppression. For this reason, Corsair adds cable-integrated capacitors to the main ATX, CPU and PCIe cables.