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neon

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  #3503564 16-Jun-2026 15:34
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MikeAqua:

 

neon:

 

Oof thats pretty expensive - looks cool though. 

I did see a bunch of esphome projects for pwm fan controllers, so maybe at a later date i can build one and connect it upto home assistant. But then i thought, what would i need smart functionality for the fan though - i think my devices would function easily without any fans at all. Main reason for the fans in my case is to create some positive pressure/airflow so it may slightly deter insects - so i can very easily set it to a good enough speed and let it sit there (i almost have no use for PWM fans either TBH). I suppose i can always plug a $10-20 smart power plug on the PSU and flick it off/on remotely if i need some smart functionality too. I dunno, im just cheap HAHA

 

 

Depends how you look at it.  For me it's hours of entertainment, just to achieve half of what I originally planned. 😆  Half of the things I do/buy are just for the curiosity factor/challenge.

 

If you don't need variable speed, then yeah ... you just need power, not dynamic control.  

 

 

 

 

haha i know that very well. my whole house is a tech experiment. i literally got a 2m tall server cabinet to put 3 mini pcs and a router into.




MaxineN
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  #3503567 16-Jun-2026 15:49
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neon:

 

MaxineN:

 

This is what I did with my Dynamic 27U as I was in the same boat as you.

 

I removed the AC fans entirely.

 

https://www.aliexpress.com/item/1005009048808356.html Bought one of these. You power it with a bog standard Huawei 12V 2A plug that came with your router.

 

https://computerlounge.co.nz/products/arctic-p12-pro-pst-co-120mm-black Bought 4 of these.

 

PST = PWM with Sharing Technology, so you can daisy chain all of the fans and use one header out of the 6. This leaves you with room to grow providing you upgrade your power supply or manage your fan speed, which is really easy.

 

 

 

There are probably much better setups, but this is mine and I love it.

 



I think thats a better controller than what i was looking at, i may get this instead! 

I already had this in my cart (https://www.amazon.com.au/gp/product/B0DJDDCG4M/), which is the 5 pack of what you recommended, so glad im not completely off. I was debating because this one was almost 2x the other arctic ones (https://www.amazon.com.au/gp/product/B0DPQZLN3V/ and https://www.amazon.com.au/gp/product/B07HC7P3HJ/ [not PWM]), but this one has 2x more RPM. 



 

richms:

 

Other than the machine I kitted out with noctuas to keep it quiet in a media centre case, I have just ordered cheap fans off aliexpress. I think the 120s I got to fill every hole in a tower case were about $8 each inc shipping a while ago, so with the junk dollar at the moment probably $10ish or so.

 

 

 

Also got some of these things which help a bit with the noise when combined with using the rubber snap in fan holders instead of screws.

 

https://www.aliexpress.com/item/1005007745028648.html

 

https://www.aliexpress.com/item/4001062788478.html

 

After looking at a few 120mm fans on there, they start to appear in the combo deals at better prices so no point linking to a specific one, as the listings I bought from all have a normal price about $24 so they can show stupid discounts in the bundle deals.

 



Oh thats useful, thanks for these, i will order some of these as well!

 

 

You want the CO model for a slightly quieter baring and they are meant for running 24/7





Ramblings from a mysterious lady who's into tech. Warning I may often create zingers.

 

Want broadband cheap and made for tech enthusiasts? Go look over at Quic. Use R177510EBNVXP for free setup at check out.


neon

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  #3503595 16-Jun-2026 17:58
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MaxineN:

 

You want the CO model for a slightly quieter baring and they are meant for running 24/7

 



ahh, TY, didnt realise that. oof, the price is going higher haha :( 




rabba
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  #3504030 18-Jun-2026 15:55
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I did a similar thing and replaced my fans with Noctua fans as the originals were deafening.  Hooked them up with a Shelly 1 with the temperature probe add on.  This allowed me to automate them turning them on and off based on cabinet temperature.


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