Customer Ratings & Reviews

7 months after purchasing, this PSU has died on me. It will still power the computer on, and you can do basic tasks like web surfing or office work, but less than 10 minutes of playing a game will cause it to kick off and restart the computer. It simply can't take a load anymore. I swapped the PSU with a Corsair CX650m I picked up because I needed my computer to be working, and everything is fine now. 100% a PSU failure. I'm running an i5 9600k (stock speeds) and an Aorus 2070 Super for reference. 650w should be plenty, and I figured an 80+ Gold PSU at this price range from a reputable brand would be a solid unit. Up until now it was a great power supply and I played games daily without issue. I tried watching the voltages on CPUID since I don't have the tools required to check the power coming from the wall or PSU, and the voltages were fine even up to the instance of shutdown. It just can't sustain a load for more than about 10 minutes now. I'm just disappointed. I will update this review after the RMA process. Like an idiot I hadn't registered the unit when I built my PC, but I've done so now, I keep all my packaging for the duration of warranties, and uploaded the receipt, so it's just a matter of waiting for CM to give me the RMA option on my profile there.

In November I started having issues with the PSU, At first I thought I was getting thermal shut downs with my Strix 580 untill I noticed a little pop noise every time the GPU would be placed under load and then the system would just shut down. I swapped out to my 750 G3 and been running fine since.

Good solid power supply. Works as expected, and it's quiet compared to my old power supply

I bought this power unit to go in a computer that will be used for moderate level programs. Won't be doing in high end gaming or heavy duty video production so this unit should have plenty of power for my needs. I also like that you can attach just the power cables you need to the power supply and this keeps your box from being cluttered with those you need. I've only had it installed a short time but it seems to be very good in my unit.

Does its job and serves its purpose. powers my pc with no issues and doesnt make any noise. Good buy

Not much I can say about the power supply other than it's great. It's definitely future proof for beginner pc builders unless you're going really over the top.

I am using the power supply in a streaming rigged with 3 ip cameras and 1 additional camera plugged into usb port. The power supply is having no problems with the load I am streaming.

Installed this power supply in a new build with a Ryzen 3800x,Asus tub motherboard ,2 hard drives and a rtx2070 super video card. Computer runs perfect.

I initially bought this psu and built a system with it, it seems like a great deal for a 650W gold psu but mine and many other reviews have come doa, even worst the power supply killed 2 motherboards that i purchased.

After only 8 months on a system that would never draw over 375 watts, the PSU went out along with the Motherboard. This is the first and last time I will purchase a PSU from Cooler Master.

Perfect for my build and graphic card. I like the fully modular design. Very clean install.

The psu feels pretty durable and quality. It was worth the price.

DOA - did not work after opening. Total garbage and waste of time.

Dead on arrival. No wonder it’s so cheap. This seems to be a common problem with this psu

As the title states, this thing gave up after 1.5 years. It's a disappointment because most people (including myself) don't have spare PC components laying around and when one part doesn't work, that commonly means that the rest doesn't. That's certainly the case with the PSU. I did all the troubleshooting thinking the power supply would be the last thing to fail in such a short time period. I replaced it and everything was back to normal. Luckily, there's a 5-year manufacturer's warranty. The reason it gets one star is that the consumer is responsible for shipping costs. Customers shouldn't be required to foot the bill because the manufacturer delivered a defective product that can't live up to its warranty period. If you're considering this product or anything similar, I'd recommend doing a little more research before choosing this one. I wouldn't go with any Cooler Master products given their stance on shipping in the event that something goes wrong.