eric418

See this thread which contains all the info and solutions. Many people faced the same problem.

Thanks for sharing! It seems your choice of placing the NVMe is better than mine. There is more space on the GPU side. But I'm too lazy to take everything apart again, will just keep it like this for now.

Somehow, I can just place it next to the chipset heatsink and it can be placed it firmly and securely there without any mounting. I don't know how to explain but it is not moving at all. But with the extension cable, you can actually place the NVMe anywhere you want within the case.

Hi, I have managed to relocate the NVMe SSD from the back of the motherboard to the CPU side (right below the top fan). It works perfectly with much better cooling and performance. For those who are interested can see the details at

I have done it finally and it works perfectly! Hope this info can help other Corsair One users here. In my previous post in this thread, I was thinking of adding a NVMe extension cable to route the NVMe to the CPU side for better cooling and ease of management. Now, I finally did it with https://www.moddiy.com/products/NGFF-M.2-Key-M-Extender-Cable-Adapter-Support-NVMe-Ultra-SSD-R44SF.html (30cm) Now the NVMe is placed right below the top fan with perfect airflow, and I can also change/replace it anytime in future easily without touching the GPU side at all. There is no need to add any heatsink (which I had actually prepared as well) because the temperature is so low already without any heatsink. Originally, the SDD temp is around 50c at idle, and now it is 34~37c only (ambient temp is 31c). On top of that, the temp will not go up even during full load because the airflow is so good now. The NVMe controller temp was like 60~70c before, but now it is always at 42~47c only. A surprising bonus which I wasn't expect is that the Sequential Write speed is MUCH faster now! I didn't know the SSD was throttling for the whole time with original configuration, probably due to the NVMe controller high temp without airflow. It was 1580MB/s before, and now it is 3330MB/s! The other performances are basically the same, but Sequential Write speed is doubled now.

STILL NO

Hi, I just notice that the NVMe temperature of my Corsair One drops 8°C. I didn't change anything. Anyone else also notices this recently? When I work, it always stays at around 50°C normally, but now it always stays at around 42°C (ambient temperature 27°C) The only thing changes are the automated Windows Update and Chrome Update. Maybe some recent changes in Windows or Chrome improves the processes which fewer data is being written to or read from SSD constantly?

See the below thread. Countless other Corsair One users (including me) were facing the exact same problem. Most of us just replaced the NVMe ourselves and all problems are gone instantly.

I suddenly think that actually we should use an M.2 NVMe extension riser cable, and this should solve all the problem. 1. By routing the M.2 from the back of the motherboard to the CPU side, there will be plenty of space and airflow, which will allow us to run the fan at a much lower speed while maintaining the M.2 in good temp. Probably it will be below 50c even with top fan at zero RPM. 2. All future maintenance will be much easier, just open the CPU side to replace or upgrade the M.2 (just like the 2.5" SSD) 3. With the plenty of space at the CPU side, we can use any type of M.2 without the space constraint between the MB and GPU. 4. We can use any M.2 cooling solutions, like heatsink, or heatsink with fan. So my question now is if we will be able to route the M.2 riser cable from the GPU side to the CPU side? Is there a channel or hole somewhere we can pass through this cable? https://www.moddiy.com/products/NGFF-M.2-Key-M-Extender-Cable-Adapter-Support-NVMe-Ultra-SSD-R44SF.html

Yes, this is what I was thinking too. I didn't add any heatsink or cooling solution to the M.2, as I believe there is virtually no airflow at all there between the M.2 and GPU, so the temp improvement of adding an M.2 heatsink should be minimal, unless using a M.2 heatsink with mini fan which is 7mm thick. Do you think a 7mm thick heatsink will fit?

What is the normal temp for the new SSD with heatsink? It is much cooler than the original one without heatsink?

I just connect the top fan to a spare PWM header (SYS_FAN2) on the motherboard with a regular fan extension cable. You don't need to swap anything. I use HWiNFO to monitor the stats, and you can see Corsair One Coolant temp and Pump RPM there too. The pumps are always at ~1900 RPM, regardless if you have iCue or not. I don't think the pump will change speed at all. I don't change RGB regularly. But if I do, I'll install iCue, change the hardware RGB setting, and uninstall iCue and the RGB will stay.

Do you guys monitor the M.2 temp? What is the normal temp for the M.2 and its controller when you use the PC? Mine is 49c and 65c (with ambient temp 28c). Depending on your fan setting, if the M.2 is constantly at a very high temp, it will die sooner or later. Anyone knows how much space is available over the M.2 between the GPU? There are countless M.2 cooling products I can get here and try it out (e.g. heat sink, thermal pad, etc.), but I need to know the space limit before buying some to test. I guess this will help many people.

My C1 works perfectly ever since I connect the top fan directly to the motherboard fan header and I don't install iCue at all. Then you can config your preferred fan curve either via BIOS or the FanControl software. The benefit of using FanControl software is that you can use a MIXED setting instead of monitoring only one temperature in BIOS. e.g. Currently I have mixed control to monitor both CPU, GPU and M.2. Then any one of them reaches my predefined threshold, the fan speed will go up, otherwise, the fan will run in low speed when idle.

First you have to isolate the problem by confirming if the fan is broken or it's caused by software. If it is the fan, just replace the fan. If the fan itself is fine, then check the iCue setting If iCue setting is fine, try a clean installation of iCue