deer

@DevBiker -- RE: Using a case sensor vs using GPU temp for my intake. I see your point now. I was overlooking a piece. I realize that I don't have a sense of what healthy case temperatures are for me. I've only had the CoPro a few days. I think I'll move my sensors away from hardware pieces and monitor case areas. That will address part of c-attack's concern. I had been thinking that having extra data points around pieces of hardware was my goal. But I have other sensors/software for that. I can use these sensors to monitors data that I don't already have access to.

Thank you both for the great input. I hadn't realized that I could affect the GPU fan curves in Afterburner. I haven't poked around too much in there. @DevBiker: 1. Using an ambient temp sensor for the case fans -- I was thinking that the GPU temp would always be higher than the ambient case temp, so by using the GPU temp for my C-Pro fan curves I would have them running more aggressively. As in, the GPU is hot, so therefore I want to increase the ambient air flow to help the GPU cool. Is that fair? Am I understanding your suggestion correctly? 2. The top radiator fan direction -- I previously had the top fans as intake for the radiator, but then I found this post of yours from 2017 where you say, "For top mount, you should typically be exhaust", so I switched it when installing the Noctua fans. I think that I see your point, but let me know if I've misunderstood: If I have them as exhaust, they're pulling the GPU hot air through the radiator, which will give the H115i hotter air. Whereas if I have them as intake, they'll give the H115i (and the case) cooler, fresh air. This will leave my single rear fan as my only case exhaust. Maybe I can rig up another exhaust, or leave that rear fan running a bit more aggressively. @c-attack: You raise very good points. I'm curious why you would use the GPU temp for the rear exhaust, but not necessarily match it with a similar fresh air intake on the front? Perhaps because I have 2x fans on the front and only 1x fan on the rear? If I make the radiator fans intakes, then my rear fan will be the only exhaust, which would justify a higher curve for it too, in my mind. Thanks again, both of you. I really appreciate it.

Hello. I've got a question about how to best utilize my fan curves in iCue. I want the fans running as slow (quiet) as possible, while prioritizing hardware health. I'll quickly cover my C-Pro and H115i setup. I've got my 2x front panel intake fans and my 1x rear exhaust fan connected to the Commander Pro. I left my 2x top radiator exhaust fans connected to the H115i fan control. My C-Pro temp sensors are: Above Radiator Below CPU / Above GPU Below GPU fan exhaust Bottom Case / Power Supply I have my C-Pro fans using my GPU Temp sensor. I have the H115i using the "H115i Temp" sensor. I'm wondering how someone more experienced at all of this would create their fan curves. All of my fans are Noctua NF-A14 with a 1500RPM top speed. My GTX 1080 Ti gets above 80°C while playing games (max I've seen is 86°C). After testing the card playing Crysis 3, this article says, "the GTX 1080 Ti’s preset thermal throttle point is 84°C". Using FurMark, the same article later says, "The GTX 1080 Ti settles at 84°C here as well – though it did peak at 86°C before reaching equilibrium – showcasing that regardless of the workload, the card always levels out at its thermal throttling point." It seems fair to say that anything above 86°C should start to worry me. How should I adjust for this in my fan curve? In this DevBiker video ( ), he briefly mentions that he starts at the max speed and works backwards. Would you set a fan curve point at 86°C for 1500RPM? Or would you get them up to 1500RPM before 86°C to try to cool things down earlier? 1500RPM is a little loud for me, but seeing that temp get into the mid-80s Celsius scares me a little, and I can put up with the sound. I have all 3x C-Pro fans using the same curve. The rear exhaust is sitting pretty close to the GPU, however. Would it make sense to have that exhaust running harder than the front intakes? Should I run the top radiator fans off of the GPU temperature instead of the H115i temp? I suppose it wouldn't hurt to have them expelling more hot air, even if the H115i isn't too hot. I know there isn't a single right answer for any of these questions. I'll do my best to experiment and test different scenarios. I've tried to research a lot before asking these questions. There's a lot of wisdom hidden in these forum threads, though, so I'm sorry if someone has already answered some of these questions elsewhere. I'd love to read any threads or articles that you recommend, and I welcome any advice, suggestions, or opinions that you have.

@Zotty thanks for answers. I really appreciate it. I'll check out those fans.

My goal is to control all of my fans through iCUE. I'll be upgrading to fans that run quieter at higher RPMs. I don't use lighting. I've got a few questions I'm hoping you can help me with. That said, please chime in with anything that you think that I may have overlooked. I've mostly been a hobbyist, plug-and-play PC builder over the years. This is the first time that I've invested in a nice rig, and I'd like to take care of it as best I can. I'd been assuming that I needed the Commander Pro (C-Pro) to connect my system fans to iCUE. Given that I don't use RGB lighting, is that the best/cheapest way to do this? Are 12V fans OK with the C-Pro or am I meant to get 5V fans? I'm planning to upgrade both my system fans and H115i fans to the Noctua NF-A14 PWM. (Noctua reports that they work equally well for Static Pressure and Air Flow.) If you'd recommend different, Corsair SP fans for the H115i, let me know what you'd recommend (ideally fans that don't have extra RGB wires.) My current fans in the H115i get pretty loud at higher RPMs. Am I meant to connect my H115i to the C-Pro? Clearing up a doubt I've had: Do I need to connect the H115i to my Mobo's CPU_FAN header in order to read the H115i's water temperature? I just necro'd this thread asking the same thing. In that thread, it's said that the only purpose of connecting the H115i to the CPU_FAN header is to suppress a BIOS warning. I feel like I've previously read that it was necessary for supplying a water temperature reading to iCUE. I really appreciate your help. -deer

A while back when I was researching temperature readings for the H115i, I read something on the forums that suggested that I needed to connect the H115i to the CPU fan header in order to allow iCUE to read the water temperature of the H115i. Is that not true? I'm still learning about much of this. Thanks, -deer