What minimum fan speed do you set your GPU rigs to?

[davemanet]

I'm wondering what's the average fan speed some of you use?

I have some GPU's that are ok with 50%, but some need 70%.  I've heard some people say 70% will kill your cards early, while others have said 70% has lasted them years.  Anyone have experience?

[Rickirs]

I don't think FAN speed has anything to do, it is actually about temperature, running on high temperature for prolonged time is definitely going to reduce life of GPU. However, if fan is spinning at high rate continuously then due to wear and tear, you may need to change fan soon.

So there is no definitive answer whether it lasted long or failed soon, depends upon various factor.

[Undefined31415]

I don't consciously set a global minimum fan speed, but I definitely set a custom fan curve using MSI Afterburner (otherwise I find that the fans on my cards are always unreasonably low at the temps they reach).

Generally my target temp is around high 60s-low 70s. You could probably go slightly higher without significantly decreasing the lifespan of your cards, but it's important to avoid heading too high.

You can also use cheap box fans to help alleviate the strain on the integrated fans. (Just be sure to avoid turbulence wherever possible.)

[gt_addict]

As Undefined3145 has said I set a custom fan curve to try and keep temps at around 60c.

[QuintLeo]

On my Windows rigs, I set a standard "fan curve" on pretty much everything that goes 100% at 80C, 80% at 70C, 60% at 60C, 40% at 50C, and sometimes 20% at 40C.

 On my LINUX rigs, I generally juggle TDP and fan settings to aim for about 70C card temp when the room is in the mid-80F range, which usually ends up with a fan setting at 80% right now.
 I expect that to drop some as I get my current power infrastructure closer to saturation and have to start pushing "efficiency" harder vs "max hashrate", or start building my "new rig" builds for efficiency.

[anamichii]

i run 85% in 2 years..
nothing happen coz not only gpu chip need to cooling down, but also vrm and other component.

[baga105]

Well.. If you are using Claymore miners, you can set your target temperature in your .bat file, and the fans will be spinning to "keep" the temperature steady.
If you are using AB, you can set your custom fan curve and that will be the same.. : )

[PranDoW]

In my country winter is pretty cold, so in winter time enough 60%. But usualy I set up to 85%

[ahmedjamal1998]

I can only speak for nvidia cards as I own gtx 1060 cards only.
Usually the temp range is from 62 to about 67 with the fans ranging from almost about the same range.

Well, setting up a fixed value for fan speed isn't actually the best idea as they might be running for at an extra speed uselessly.
The best thing would be using a custom curve for the fan speed as that in MSI afterburner.

Since some cards are bad in terms of cooling, the curves differ from one card to another as well (so the sync settings across cards settings is unchecked.)

I guess running the fans at high speeds would only matter with the fans themselves and nothing more.

[allcryptominer]

With my Palit super jetstream 1080ti, the fans needs to be running at 70% just to keep my cards around 65c at 70% TDP for most algos. Don't know why my cards go so hot compared to other cards. I should also say that between my cards it differs 10c for some mysterious reasons.

[Marvell2]

75 degrees should be fine , I have enough issues with fans going out at that target temp let alone 60 degrees for a target temp.

Although sometimes i wonder if the start stop of the fans using the target temp is bad for them.

In my experience

AMD :

Gigbabyte - terrible fan quality 1 out of every 2 seems to break.
Saphire and MSI - best.

Power color not too bad only one of 80 cards had a broken fan

Asus - bad as well but no where near as bad as gigabyte.

Nvidia

EVGA best
ZOtac worst

the rest are all pretty good.

[cpmcgrat]

I run mine at 90% all the time. I'd much rather have to replace some cheap fans on my GPU than the chip itself. Also, it helps disperse heat faster which in turn keeps the surrounding area cooler. However, the profitability of a GPU mining rig will most likely drop off long before there there's any issues with the hardware, at which point you'll probably want to unload your old cards to gamers so you can upgrade to the newer cards with better hashrate/W ratios. So, I wouldn't worry about it too much about it.

[philipma1957]

if I run windows I set at 75% and try to keep temps under 70


if I run smos   I set at 50%   and set card temps to 69/70   and the software moves fans to what is needed

[Marvell2]

I run mine at 90% all the time. I'd much rather have to replace some cheap fans on my GPU than the chip itself. Also, it helps disperse heat faster which in turn keeps the surrounding area cooler. However, the profitability of a GPU mining rig will most likely drop off long before there there's any issues with the hardware, at which point you'll probably want to unload your old cards to gamers so you can upgrade to the newer cards with better hashrate/W ratios. So, I wouldn't worry about it too much about it.

That sounds good in theory but who wants to buy a card with a broken fan, and its not that easy to replace some fans , alot of the newer cards are custom deals , not any random fan works with the screws and connections.  IMO any card whose fan dies in less than six months
to a year even in constant use need to be avoided.

All i can say is avoid Gigabyte (lower end ones RX and Asus)

[bitfools]

I'm wondering what's the average fan speed some of you use?

I have some GPU's that are ok with 50%, but some need 70%.  I've heard some people say 70% will kill your cards early, while others have said 70% has lasted them years.  Anyone have experience?

Keep your cards below 70C, do this with --limittemp=70, that way all software quits

Have little 10cm fans in front of the cards, one per every two graphic cards, most rigs have a slot for fans

have a big fan 50 cm that blows cool air perpendicular below the cards to keep power-supply and cpu cool and bring cool air in below of GPU line-up.

Set the power 60%, say you have a gtx-1070, then the power is say 150W death, I run at 110Watts, and they run full clock at 59C, never come close to the temp-limit.

For 1060, run at 95 watt per "nvidia-settings -pl 95 -i x', where x is gpu number

Now to fan's "LEAVE THEM ALONE", default to AUTO, having the fans run at full just makes noise

The way you keep your gpus cool is with the little fans in front ( facing the connectors ), and the big fan on the end of rack blowing cool air below and over the top of  the cards.

LEAVE the fan alone, all you do is burn out the fan motor on your GPU card running at 100% and then you have a DEAD-CARD.

Little 12v fans with led lights costs $3 each, the 50cm big 110/220v fans cost $10, one per rig, and little fan 4 per rig, so cooling cost is $22 per rig.

It's important to keep the GPU cool for long-life, and to MINIMIZE the money you waste on POWER,

The little fan on the GPU card is designed for a solo card in a box, its NOT designed to be surrounded by 1/2 a dozen heaters.

[evoqon]

I did not OC my GPU, so I just put it as automatic, no changes to fan speed.

[DevelopmentBank]

GPUs are not created equal either because of manufacturer, model, version number, thermal paste application, etc. But even if you already have GPUs of the same exact specifications, there are still chances that their temperatures will vary. So fan speed will really have to vary per GPU.

What works for me, in my local ambient temperature, is a minimum fan speed of 60%. I suggest you gradually check what temp your cards are running with different fan speeds. You will really have to do this yourself and not rely on other's fan speed.

[car1999]

I use 60% for my nvidia cards, the temps are under 65C.
For AMD VEGA, auto fan speed works well, I just set target  temp, always 2200rpm @55C, 1600rpm@65C.

[Bigdrago]

I set mine to auto.
But temp is 72C and fan speed 30%.

Using trixx.
Strange

[QuintLeo]

Very wide variation depending on Ball Bearing or not, and on the specific card.

I've had a couple Sapphire cards with very small fans that need 80% to say reasonably cool run at 70-80% for 4+ years without issues.
I've had Gigabyte 3-fan Windforce models die in a year or less with 60% fan.


I generally aim for cards to stay in the 65C range on my AIR CONDITIONED workbench, so that when they go in the "production" room that runs a lot warmer in the summertime they'll stay in the 75C or less range - and the fan speed ends up wherever it needs to be.

Riser rigs help a LOT on that, much better airflow and less heat hangs around so you can set your fans 20% lower in many cases while seeing LOWER temps.