Hot!ACX 3.0 "0 dB" fan mode - Quite misleading

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birthdaymonkey
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2016/11/13 09:25:26 (permalink)
In addition to the fiasco with the VRM and VRAM temps, I've noticed that my 1070 SC makes significant noise when at idle. Since the fans "twitch" slightly every 5 seconds or so when they're in idle mode, they make a very audible noise. I built a nearly fanless, all-SSD system with the goal of absolute silence when not gaming, but with the computer in its place on my desk, I hear the fan motor make an electric noise every 5 seconds. It drives me nuts. I can see how most people wouldn't notice with additional fans in their case and the computer on the floor, but in my case it's plainly audible when there's no background sounds in the room.
 
I'm so disappointed with this card. I have bought mostly MSI and a couple Asus cards over the past few years, but decided to give the EVGA ACX 3.0 a go because of the great reputation of the brand. But what a lemon these Pascal cards have turned out to be. I spent $700 CAD on this thing when they were released early in the summer (tax, currency conversion, and shipping makes these very expensive here). Alas, Newegg has refused to give me my money back, so I'm stuck with a noisy, overheating GPU. I've got an RMA out to get a replacement card with the thermal pads installed, but that's not going to address the fan twitch noise issue.
 
It seems that a software fix should be possible, since the fans actually remain completely motionless and silent after a reboot. However, once I play a game and the fans initialize, they go into twitch mode after the system returns to idle - and stay that way until the machine is rebooted again. So I'm posting this in the hope that it might come to the attention of an engineer who can make the card revert to its "no fan twitch" state after a prolonged idle. 
 
Please help me, EVGA. I really want to love this card, but it's turning out to be a major headache.
 
 
 
 
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    bcavnaugh
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    Re: ACX 3.0 "0 dB" fan mode - Quite misleading 2016/11/13 09:40:44 (permalink)
    Welcome to the Forum birthdaymonkey
     Put your Computer Under Your Desk or Behind Your Desk.
    Added:
    It will help reduce the "audible noise" that that you are hearing.
    post edited by bcavnaugh - 2016/11/13 12:42:28

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    Bar81
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    Re: ACX 3.0 "0 dB" fan mode - Quite misleading 2016/11/13 10:16:47 (permalink)
    bcavnaugh
    Welcome to the Forum birthdaymonkey
     Put your Computer Under Your Desk or Behind Your Desk.


    Problem solved - don't put a PC at ear level.

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    Re: ACX 3.0 "0 dB" fan mode - Quite misleading 2016/11/13 10:18:52 (permalink)
    Have you messed with the fan curve in Precision XOC?  I'm guessing your machine's ambient temperature on the inside heats up while gaming and there isn't enough airflow to bring the temperature back down to the point where the 1070 will go silent.  Try the fan curve, and if that doesn't work submit a support ticket.
     
    Or go water cooling. ;)
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    Scarlet-Tech
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    Re: ACX 3.0 "0 dB" fan mode - Quite misleading 2016/11/13 10:38:18 (permalink)
    Off topic posts have been removed.

    BirthdayMonkey, provide more information please. What case are you using, where is it located in perspective to your seated position.

    If you would like to use an affiliate code to register a product, feel free use this one: >Click Here<  This is not my affiliate code! This is a random users code. This code will change often, and you will never be told who it belongs to! If you would like the possibility of your code being listed above, it must be in your signature block. I will not take requests to use a specific code.
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    pawelblyskal
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    Re: ACX 3.0 "0 dB" fan mode - Quite misleading 2016/11/13 10:48:02 (permalink)
    bcavnaugh
    Welcome to the Forum birthdaymonkey
     Put your Computer Under Your Desk or Behind Your Desk.


    This is genius, moving the computer to a different location will fix the PWM fan controller issue that pulses voltage to the fan periodically... (eyes roll)
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    bcavnaugh
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    Re: ACX 3.0 "0 dB" fan mode - Quite misleading 2016/11/13 10:59:30 (permalink)
    @pawelblyskal 
    It will reduce the "audible noise" that the OP is hearing.

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    lebel
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    Re: ACX 3.0 "0 dB" fan mode - Quite misleading 2016/11/13 11:02:21 (permalink)
    <-----------?


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    Re: ACX 3.0 "0 dB" fan mode - Quite misleading 2016/11/13 11:29:04 (permalink)
     
    Let's stay on topic.

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    Re: ACX 3.0 "0 dB" fan mode - Quite misleading 2016/11/13 14:19:54 (permalink)
    I personally have always had my PC on my desk and to the right of my display. I would love to put the system on or near the floor but my Shiba Inu would make quick work to have large amounts of hair sucked into my fan grills. 

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    hapkiman
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    Re: ACX 3.0 "0 dB" fan mode - Quite misleading 2016/11/13 15:47:15 (permalink)
    Why not just use Precision X OC (or MSI AB) to keep the fans running at 30% or 35% speed at all times.  You can have it start at power up.  This fan speed would not be audible unless you have the hearing of a dog - because these fans are very quiet.  Plus it eliminates the start and stop twitch noise you describe.

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    birthdaymonkey
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    Re: ACX 3.0 "0 dB" fan mode - Quite misleading 2016/11/13 16:37:13 (permalink)
    I have a Silverstone ML08 (with handle) sitting on my desk... so it's pretty much worst case scenario for hearing sound from the GPU. Unfortunately, with the space I have to work with and pets and small kids it has to go on the desk. I also take it to my friend's place every week to play games, so it needs to be easily accessible. In fact, my last build was a giant Fractal XL-R2, and I specifically built this machine with the intention of having a silent, portable system that would fit nicely up on my desk. I had no idea that I was getting a graphics card that would make noises during the idle fan off mode. From my research, it seems that this problem is specific to EVGA - other card makers' fans are actually idle at idle. The fact that my 1070's fans remain motionless after a reboot suggests that it's at least possible in theory for it to stay still too. But as soon as the fans are spun up (either due to a gaming load or if I turn the fans on in PrecisionX), when the card returns to idle, the fans twitch.
     
    I tried setting a fan curve to spin the fans constantly at the lowest speed (<10% duty), but the ball bearing fans used in the ACX 3.0 are relatively loud even at the lowest possible speed. The only fan I have going in the system is the CPU fan on my Scythe Big Shuriken II, and it's perfectly silent at 500-600 RPM, while the ACX hisses and chatters audibly at 300 RPM.
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    hapkiman
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    Re: ACX 3.0 "0 dB" fan mode - Quite misleading 2016/11/13 16:44:19 (permalink)
    Something is wrong with your fans then.  The fans in my FTW 1080 are extremely quiet at 30%.  

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    birthdaymonkey
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    Re: ACX 3.0 "0 dB" fan mode - Quite misleading 2016/11/13 16:50:07 (permalink)
    hapkiman
    Something is wrong with your fans then.  The fans in my FTW 1080 are extremely quiet at 30%.  


    I have considered that. That's part of the reason I'm going with a replacement via advanced RMA rather than installing the thermal pads myself. Hoping I get a card with better fan noise characteristics. 
    It's also possible that we have different standards for what constitutes computer noise. I've been building silent systems for years, so I'm pretty sensitive to fan noise. The characteristics of my card are pretty consistent (in my experience) with ball bearing fans, however. You get better longevity (especially horizontal) than sleeve bearing but at the cost of some inherent noise. This is why I was so excited to get a card with idle fan off mode - last time I bought a card (MSI 780 Ti Gaming), there was no such thing!
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    bcavnaugh
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    Re: ACX 3.0 "0 dB" fan mode - Quite misleading 2016/11/13 17:16:38 (permalink)
    That is a Nice Case
     

    post edited by bcavnaugh - 2016/11/13 17:18:43

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    LittleGuy
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    Re: ACX 3.0 "0 dB" fan mode - Quite misleading 2016/11/13 17:48:22 (permalink)
    I hope you realize that you will probably be getting a refurbished card that can be worse.

    birthdaymonkey
    hapkiman
    Something is wrong with your fans then.  The fans in my FTW 1080 are extremely quiet at 30%.  


    I have considered that. That's part of the reason I'm going with a replacement via advanced RMA rather than installing the thermal pads myself. Hoping I get a card with better fan noise characteristics. 
    It's also possible that we have different standards for what constitutes computer noise. I've been building silent systems for years, so I'm pretty sensitive to fan noise. The characteristics of my card are pretty consistent (in my experience) with ball bearing fans, however. You get better longevity (especially horizontal) than sleeve bearing but at the cost of some inherent noise. This is why I was so excited to get a card with idle fan off mode - last time I bought a card (MSI 780 Ti Gaming), there was no such thing!

     
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    darkkterror
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    Re: ACX 3.0 "0 dB" fan mode - Quite misleading 2016/11/13 18:09:09 (permalink)
    You must have Superman level hearing.  I have two 1080 FTWs in my system with an aggressive fan profile.  The fans run at 40% at minimum and I still can't hear them over ambient noise.  Right now all I can hear is the air purifier going in the other room.  The computer, which is sitting right next to (air purifier is over 20 feet away), is basically inaudible (all I can hear is the sound of the air purifier).
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    birthdaymonkey
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    Re: ACX 3.0 "0 dB" fan mode - Quite misleading 2016/11/13 18:48:20 (permalink)
    LittleGuy
    I hope you realize that you will probably be getting a refurbished card that can be worse.




    Yes, that's a good point. It's definitely a gamble... especially since I have an early card with the Samsung memory.
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    birthdaymonkey
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    Re: ACX 3.0 "0 dB" fan mode - Quite misleading 2016/11/13 18:57:55 (permalink)
    bcavnaugh
    That is a
     





    Yeah, it's quite an impressive design. Portable and only slightly bigger than a console, yet you can get a full fat GPU in it. And it somehow keeps everything cool without any intake or exhaust fans.
     

    This is my setup. I run without the filter because it impedes airflow too much. With the system on my desk it doesn't get any cat hair in it even without the filter. The card looks nice as well. Unfortunately, as you can see, it's pretty much positioned to beam GPU sound directly at my head.
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    birthdaymonkey
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    Re: ACX 3.0 "0 dB" fan mode - Quite misleading 2016/11/13 19:02:12 (permalink)
    darkkterror
    You must have Superman level hearing.  I have two 1080 FTWs in my system with an aggressive fan profile.  The fans run at 40% at minimum and I still can't hear them over ambient noise.  Right now all I can hear is the air purifier going in the other room.  The computer, which is sitting right next to (air purifier is over 20 feet away), is basically inaudible (all I can hear is the sound of the air purifier).




    My hearing is pretty sensitive. It drives the wife crazy... some AC adapters seem to emit terrible high pitch electrical noise that's only audible to cats, rodents, and me. I think ambient sound level has a lot to do with it as well. I never noticed the sound from the twitching till summer was over and I turned off the dehumidifier. Now my family room is silent unless someone is watching TV.
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    ipkha
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    Re: ACX 3.0 "0 dB" fan mode - Quite misleading 2016/11/13 19:23:38 (permalink)
    hapkiman
    Something is wrong with your fans then.  The fans in my FTW 1080 are extremely quiet at 30%.  

    FTW fans are bigger and thus quieter. In addition my 1080 FTW fans max at 2700rpm while the smaller 970 SC fans ramp all the way up to 4000rpm if I crank them up to 100%.



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    haris525
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    Re: ACX 3.0 "0 dB" fan mode - Quite misleading 2016/11/13 21:01:58 (permalink)
    birthdaymonkey
    bcavnaugh
    That is a
     





    Yeah, it's quite an impressive design. Portable and only slightly bigger than a console, yet you can get a full fat GPU in it. And it somehow keeps everything cool without any intake or exhaust fans.
     

    This is my setup. I run without the filter because it impedes airflow too much. With the system on my desk it doesn't get any cat hair in it even without the filter. The card looks nice as well. Unfortunately, as you can see, it's pretty much positioned to beam GPU sound directly at my head.




    Hello - I think the issue is seen here, you are way too close to the GPU - while sitting that close you will hear the fans even at 30%, not to mention that you have a vent next to the fans which usually increase the fan noise. I have very sensitive hearing (so much that amplifier / speaker hums drive me Crazy!) and I can hear my Asus Strix 1080 at 30% from 15 -18 inches away with my case open. With my case closed and 1m away from me, I dont hear anything. I am pretty sure that your video card orientation, and case vent design is causing this issue. Try moving the case maybe 1m away and see if the noise level improves - Also Download Afterburner to setup a custom fan curve that will fit your noise / performance needs. I dont think it is a fan issue, if it was it would be much louder LOL - case in point my evga GTX 970 which had fauly fan bearings....yeah.......that noise.......brings back.....memories.............like an old train trying to speed up.............and the noise it makes............LOL 
     
    GL
    post edited by haris525 - 2016/11/13 21:04:58
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    ZeroBANG
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    Re: ACX 3.0 "0 dB" fan mode - Quite misleading 2016/11/14 14:11:03 (permalink)
    that is one tiny case...  
    when you look at your GPU temps, what is happening there?  
     
    i had a Gigabyte G1 1080 that made this sound every time the fans turned on: https://www.youtube.com/watch?v=JudXFqkoEmw
    the card kept heating up while idle, so eventually it would hit the threshold (no matter if i set it to 45, 50 or 55°C) where the Fans turned on, but a "mild breeze" was enough to cool the heatsink down by 1°C ...then it turned off again for like 5 or 10 seconds until the GPU temp went that 1°C up again... and it did that on/off loop forever.  
    Solution one: custom fan curve, put it to 30% and you can't hear it...  
    Solution two: better airflow in your case so it doesn't heat up like that.  
    the Gigabyte card also had horrible Coil Whine, that Fan Stop LED was not indicating what the Fans were actually doing and i had an overall bad impression of the Gigabyte card this time so i send it back to the Shop and got an EVGA 1080 FTW instead. (which made an awesome impression, but now i have to deal with the VRM temperatures nonsense... *sigh*)  
    in the meantime i added 3 more case fans which brings me to a total of 6x 140mm Case Fans (all super silent at 5v), 1x 120mm CPU Fan (1000rpm when gaming, 500 when idle), the 120mm Fan in the PSU also has a Zero Fan Mode, just like the GPU. I seriously can't hear the PC anymore when idle... and even when gaming it is very negligible. (the noise the heater in my room makes drives me nuts, but that is a different topic)  
    pics -> http://imgur.com/a/6ERQm
    full excessive build log -> http://imgur.com/a/FBDEo
    i also made the jump and threw out all my internal HDDs and the System is as silent as it possibly can be without Watercooling,  
    i've even put a noise dampening kit in there (not sure if that actually did anything, but it looks damn good and plugged a lot of ugly holes in the case).  
     
    anyway with your ...mini ITX? case i'm afraid you won't have many options to add case fans.  
     
    my GPU is now, after hours of being idle, at 33°C and 0 RPM (with the original bios which i intend to NOT update (i guess when you get your RMA back it will have the new BIOS with the aggressive fan curve already installed, so that will get louder), my thermal pad mod is awaiting shipping, that should be enough anyway.).  
     
    //edit: i almost didn't notice that (signed?) Captain Kirk picture on your desk :D  
    post edited by ZeroBANG - 2016/11/14 14:22:24
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    birthdaymonkey
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    Re: ACX 3.0 "0 dB" fan mode - Quite misleading 2016/11/14 14:14:42 (permalink)
    I found a semi-solution to the problem.
     
    I created a batch file to reinitialize the GPU driver. If I wait until the GPU has cooled down and then run my batch file, the fans on the GPU act as though the system had just been rebooted. They stop twitching, and I've once again got a "0 dB" graphics card. You can do this using MS's Devcon command line utility or the third party Devmanview utility. Interestingly, it doesn't work unless I allow the system to sit for a while. But if I reinit the display driver after an hour or two of idling, the fans stop twitching!
     
    This does make me wonder why EVGA can't just make the card behave properly by default without requiring this hackish workaround.
     
    #24
    WhatGravitas
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    Re: ACX 3.0 "0 dB" fan mode - Quite misleading 2016/11/14 14:26:18 (permalink)
    It really sounds like in your case, after stressing it, the card's temperature is just too close to the turn on/iff point and can't cool itself enough while idling with no fan (since it's already a bit hotter than fresh from boot). Probably because your card doesn't get any airflow while in passive mode as the case doesn't promote much airflow on its own. Are you using Precision XOC (or something like MSI Afterburner) to control the fan curve manually?
     
    One way to help with the behaviour is by tweaking the fan's hysteresis setting in Precision XOC or MSI Afterburner. That way, you can, for example, set the fans to start spinning after it reaches 45C, but only stops spinning (on cooldown) when it reaches a temperature lower than the 45C (roughly the amount of hysteresis you set, e.g. at hysteresis of 5C, it would spin until it reaches 40C). That can help a lot with getting away from the "twitchy" fan region and to sufficiently low temperatures where the card can passively cool itself while idling.
     
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    somethingc00l
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    Re: ACX 3.0 "0 dB" fan mode - Quite misleading 2016/11/14 14:34:00 (permalink)
    birthdaymonkey
    The fact that my 1070's fans remain motionless after a reboot suggests that it's at least possible in theory for it to stay still too. But as soon as the fans are spun up (either due to a gaming load or if I turn the fans on in PrecisionX), when the card returns to idle, the fans twitch.



    For my 980ti the fan twitch comes from the GPU bouncing off the 60C fan spin up temp. I suspect it is not a bug post fan spin up as you suggest. Check the temp when you get the twitching and see if they go hand in hand. At least for me the twitch sound has disappeared or I no longer hear it after a few months.
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    birthdaymonkey
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    Re: ACX 3.0 "0 dB" fan mode - Quite misleading 2016/11/14 14:46:55 (permalink)
    It's really not the temperature of the card. It idles in the high 30s/low 40s.
     
    The fans twitch regardless of the temperature. Have a look at your own cards and you'll see it. Most people don't notice because their card is facing the bottom of the case, but there's something in the fan control software that keeps sending it a bit of voltage when it idles. I can spin the fans at 30% until the temp goes down to <30 and the fans will still twitch as soon as the card returns to idle.
     
    Rebooting (or, as I just found, reinitializing the display driver) fixes the issue. The fan doesn't spin up again (or move at all) until it gets up to the high 50s when I start playing a game.
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    somethingc00l
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    Re: ACX 3.0 "0 dB" fan mode - Quite misleading 2016/11/14 14:54:07 (permalink)
    Well then it sounds like it is indeed a bug (though could be driver bug not EVGA firmware). My 980ti SC for sure doesn't twitch when the temps are cool enough so it's either an issue with ACX 3 (980ti has ACX 2) or the 1070 SC firmware, or something with your driver/software setup.
     
    So at this point I'd say you want either someone else with a 1070 SC to confirm the same behavior, or if you have a spare drive do a fresh install of Windows to see if the problem persists.
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    birthdaymonkey
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    Re: ACX 3.0 "0 dB" fan mode - Quite misleading 2016/11/14 15:01:31 (permalink)
    ZeroBANG
    that is one tiny case...  
    when you look at your GPU temps, what is happening there?  
     
    i had a Gigabyte G1 1080 that made this sound every time the fans turned on:
    the card kept heating up while idle, so eventually it would hit the threshold (no matter if i set it to 45, 50 or 55°C) where the Fans turned on, but a "mild breeze" was enough to cool the heatsink down by 1°C ...then it turned off again for like 5 or 10 seconds until the GPU temp went that 1°C up again... and it did that on/off loop forever.  
    Solution one: custom fan curve, put it to 30% and you can't hear it...  
    Solution two: better airflow in your case so it doesn't heat up like that.  
    the Gigabyte card also had horrible Coil Whine, that Fan Stop LED was not indicating what the Fans were actually doing and i had an overall bad impression of the Gigabyte card this time so i send it back to the Shop and got an EVGA 1080 FTW instead. (which made an awesome impression, but now i have to deal with the VRM temperatures nonsense... *sigh*)  
    in the meantime i added 3 more case fans which brings me to a total of 6x 140mm Case Fans (all super silent at 5v), 1x 120mm CPU Fan (1000rpm when gaming, 500 when idle), the 120mm Fan in the PSU also has a Zero Fan Mode, just like the GPU. I seriously can't hear the PC anymore when idle... and even when gaming it is very negligible. (the noise the heater in my room makes drives me nuts, but that is a different topic)  
    pics ->
    full excessive build log ->
    i also made the jump and threw out all my internal HDDs and the System is as silent as it possibly can be without Watercooling,  
    i've even put a noise dampening kit in there (not sure if that actually did anything, but it looks damn good and plugged a lot of ugly holes in the case).  
     
    anyway with your ...mini ITX? case i'm afraid you won't have many options to add case fans.  
     
    my GPU is now, after hours of being idle, at 33°C and 0 RPM (with the original bios which i intend to NOT update (i guess when you get your RMA back it will have the new BIOS with the aggressive fan curve already installed, so that will get louder), my thermal pad mod is awaiting shipping, that should be enough anyway.).  
     
    //edit: i almost didn't notice that (signed?) Captain Kirk picture on your desk :D  




    Haha, yeah that's my "signed" Captain Kirk photo. I think it's actually a fake signed Captain Kirk photo - my friend got it for me at a flea market. 
     
    Glad to hear from a kindred silent PC enthusiast. Your machine sounds a lot like my old Fractal XL-R2, in which I had installed 3x140mm Noctua NF-P14 and ran them most of the time at 5v, with two Noctua PWM fans on the CPU heatsink that ran at about 400-500 RPM at idle. The problem with PC silencing is that there's always another sound. Once you get rid of the fan noise, you start to hear electrical noise - (e.g. coil whine). And even those 5v 140mm fans make a noise - if your room/system are quiet enough you'll hear it. 
     
    With my current build, I've got one Scythe slim 120mm fan idling at ~500 RPM, and I can't hear it (for now). My Corsair SF-450 PSU also turns its fan off at idle. With no spinning disks or case fans, and no components that make coil whine (for now), I have a pretty silent system, which is why the twitching GPU fans were annoying me so much. The next step is to get a better (14cm) fan on the Big Shuriken II heatsink, but to do that I have to clip some metal, which seems like a hassle... although I already bought the fan, lol.
     
    With this workaround (reinitializing the display driver when I want the computer to be quiet after a gaming session), I have to decide whether I want to go through with the RMA for the VRM thermal pads... I think I might keep it and mod myself since I have the Samsung memory and the pool of refurb cards will be biased in favor of the ones people wanted to get rid of.
    #29
    bcavnaugh
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    Re: ACX 3.0 "0 dB" fan mode - Quite misleading 2016/11/14 15:36:53 (permalink)
    birthdaymonkey
    bcavnaugh
    That is a
     





    Yeah, it's quite an impressive design. Portable and only slightly bigger than a console, yet you can get a full fat GPU in it. And it somehow keeps everything cool without any intake or exhaust fans.
     

    This is my setup. I run without the filter because it impedes airflow too much. With the system on my desk it doesn't get any cat hair in it even without the filter. The card looks nice as well. Unfortunately, as you can see, it's pretty much positioned to beam GPU sound directly at my head.


     
    Have you turned the case around and placed it in the Left Side or even behind your Monitor?
    This would put you Vent on your Computer on the other side not facing you.

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