Corsair RMX Series, RM850x, 850 Watt, 80+ Gold Certified, Fully Modular Power Supply (Low Noise, Zero RPM Fan Mode, 105°C Capacitors, Fully Modular Cables, Compact Size) Black

If I could rate less than a single star, for this product I would. Please, I’m warning you right now, you will be disappointed ordering this as I am now. It’s frustrating to have put up a whole PC just to have your power supply be completely dead. After running tests, we’ve come to the definite conclusion that this product was garbage. The box had rips and was sticky and in very poor condition while receiving it. When we opened it, two screws came out from inside it and while installing it, it would not even run at all. Completely dead! So if you are thinking of buying this, DON’T! Waste of money, waste of time. Never been so disappointed. Built many PCs and never had this problem. Never trusting them again. As I said already, do not buy!

Very good, excellent

Very bad product

Rock solid power supply with minimal heat generated and super quiet. I use it in a 5-card mining rig and the PSU generates less heat and noise than even 1 GPU. Modular so I can connect cables when I need them. The only complaint is that it has only 5 PCIe 8-pin cables, not 6. I would buy this again.

After 11 years of usage my previous Corsair 750W had finally showed some age and started acting up such as when in game at max or near max settings the PC would either forced reboot or blackout the screen.

Solid choice, fan is on bottom so less build up

My old supply still works but it made an unfortunate noise at the fan so I purchased this one and I like that the fan operates only when needed because now with speedfan my pc is practically 0 db now when not using it for cpu/gpu intensive tasks. The 750x does make a switch noise when you turn it on but apparently that is normal though my old supply didnt do that. I dont need 750w but its around the right number 650w would work to.

Perfect for build. X570 TUF ...3700x , 2070 super and some fans. Got watts to spare. Glad I didn’t have to pay 3rd party mark up! Sharks they are!

Nice power supply but it failed after around 200 hours run time.

The RM650x is able to power my mid-range PC (5600x, 16 GB of RAM, 3060 ti) without any issues. The modular design is also very neat. Im very satisfied with this purchase.