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  1. 75C under load is fine - very good actually. That’s what my i160 hits. I’d say you’re good.
  2. What are your temps, fan speeds, etc. showing in iCue? It’s hard to know how to help without that info. The fan will spin up during a heavy load like a graphics intensive game. That’s entirely normal. But it should spin down under a less demanding load. Is it doing that?
  3. That coolant temp seems high to me for just light use. It’s not necessarily a problem, though. Depends on what your CPU temp is hitting - not the coolant, the CPU itself. The coolant temp will rise as it dissipates heat from the CPU itself. So the coolant temp isn’t a problem so long as the CPU temp is under control. You can download logs. Or better yet, just open the iCue dashboard, enable the CPU /GPU sensors, and just watch what happens as you use the computer. Does the fan ramp up as the coolant temps increase? (At 51C, the fan definitely should be spinning.) What max chip temps are you getting? If you watch the numbers for awhile, you’ll get a good sense of what’s going on.
  4. Those figures are all fine. Open the dashboard in iCue and keep an eye on those readings as you use your computer. Watch what happens to the fan and temps. Does the fan ramp up as the temps increase? What max temps do you hit? You also should look at the temps for the CPU and GPU - the chip temps, not the coolant temps - you can enable them in the dashboard. Until you know what’s happening with the temperatures, it’s hard to know if your problem is heat or something else entirely. Could be a Windows issue.
  5. What does iCue show for your pumps and fan and for coolant temperatures before you crash? Are both pumps working? What’s the fan speed? What are the coolant temperatures?
  6. One interesting note from the Linus video: If you take a look at the comments, there are several folks there who seem happy with their C1s. More than seem to post here. I suspect the overall satisfaction with the new C1s is greater than this forum reflects.
  7. Good video, though the results aren't especially surprising. A bigger case, with a bigger radiator and more fans, will perform better in extreme load conditions. But, as the video shows, not substantially better. As with most things in life, there are trade offs. Yes, you can get better cooling and better max performance with a bigger enclosure that can accommodate a bigger radiator and more fans. But you end up with a case that's twice the size. (And the video didn't discuss noise levels, which is one of the pluses of the C1). In a perfect world, Corsair would increase the width of the C1 enclosure to accommodate a slightly larger radiator on the CPU. They could do that and still have a much smaller footprint than almost any other alternative - prebuilt or DYI. In the end, as Linus says in the video, form factor might matter more to some folks than a single digit increase in performance under extreme loads. For example, those who can be happy with 591 FPS in CS:GO from a machine that doesn't eat up half their desk and look like an RGB rainbow. All depends on what you're looking for. There's no one "right" machine for everyone.
  8. That’s similar to my experience with my i160. I know the CPU in my machine runs cooler than yours, but my coolant temperature is usually in the mid 40s even when the CPU package temperature is in the 70s. So long as your CPU temps are reasonable, I wouldn’t worry about the coolant temp. Seems to me it’s working well for you.
  9. Just pointing out that the custom fan setting does not mean that the “fan speed is constant irrelevant of temperature” as suggested here. The minimum fan speed is constant in the sense that the fan speed will never drop below that speed, but the fan will ramp up above that minimum setting as needed for cooling. And the C1 does have a fan curve - the curve between any custom setting (or 0 if in default setting) and the maximum fan speed. The fan ramps up or down through this curve as needed. It’s just not a curve the user can fine tune apart from setting the minimum. The fan curve works quite well, at least on my i160. Just pointing out how the system works for those who might be reading these posts who don’t own a C1. Could it allow more fine tuning? Definitely. Does it work well as is? Definitely.
  10. On my i160, with both iCue 3 and 4, the slider in the Custom setting allows you to set the minimum fan speed (as a percentage). The fan will run at that percentage until the system temperature gets high enough to require more air flow, then the fan ramps up. When the temperature drops, the fan will ramp down, as appropriate, but won’t drop below whatever you set as the minimum custom setting. Basically, it works just like the Default setting with the custom setting just replacing the 0 fan mode. Both iCue 3 and 4 have always worked fine for me.
  11. I like my i160 so much that I've planned to upgrade to a new model. But I'll confess that stories like this give me pause.
  12. I've read in a review that they have plans to update the Pro version too. See here (at the end): https://www.tomshardware.com/reviews/corsair-one-a200
  13. Sounds like either the GPU pump or fan. What does iCue show for pump speed and GPU fan speed?
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