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Title: rig fan cooling management Post by: meru890 on February 26, 2018, 11:33:15 AM Hi
I'm keen to know how you control your fans. I would like to optimize my airflow setup and therefore install a 6x fan row. They are all molex powered (some cheap china fans I guess) and chain linked to a single molex adapter. Sure I could connect it directly to my PSU but then I got 100% (too noisy, not efficient). I could use Speedfan tool but therefore I have to connect it directly to my board. Nothing happening when I do that and is it even possible regarding watt if I connect 2 rows à 6 fans (12 total) directly? How do you manage the fan speed of your rig fans? Or should I just buy an external fan adapter like this: https://goo.gl/DoKM67 and connect with an adapter my 2 fan rows? Maybe also switch the fans to those: https://goo.gl/wFZxpu Here is the picture of my fans: https://imgur.com/a/nLBLz Title: Re: rig fan cooling management Post by: RYXES on February 26, 2018, 02:18:36 PM I've never had a fan for mine, they run at 55'C at 37% from their own GPU fans.
Being in UK it's pretty cold here and don't really need cooling. Also using the AMD Crimson BETA blockchain driver it really does keep your heat in the GPU down as well as the power cosumption. If you can tweak it before with what's available then get a fan if you still can't keep the heat down. Title: Re: rig fan cooling management Post by: meru890 on February 26, 2018, 03:52:48 PM Thank you for your kind answer. Well I'm not so concerned about my temps, think they are still good on my rx580s and also got some reserves left. But the fans came along with the rig so I'll give it a shot and see how much I can benefit or not :) However I just don't know what's the best way to control the fans, you think it would work with a small fan controller and chainlink all the fans to one channel? Since psu not possible (no control, 100%) and on connected to the board they won't start.
Title: Re: rig fan cooling management Post by: philipma1957 on February 26, 2018, 04:09:39 PM Hi I'm keen to know how you control your fans. I would like to optimize my airflow setup and therefore install a 6x fan row. They are all molex powered (some cheap china fans I guess) and chain linked to a single molex adapter. Sure I could connect it directly to my PSU but then I got 100% (too noisy, not efficient). I could use Speedfan tool but therefore I have to connect it directly to my board. Nothing happening when I do that and is it even possible regarding watt if I connect 2 rows à 6 fans (12 total) directly? How do you manage the fan speed of your rig fans? Or should I just buy an external fan adapter like this: https://goo.gl/DoKM67 and connect with an adapter my 2 fan rows? Maybe also switch the fans to those: https://goo.gl/wFZxpu Here is the picture of my fans: https://imgur.com/a/nLBLz Give me a few minutes I will link a good power controller. these are far better then anything around http://www.mfjenterprises.com/Product.php?productid=MFJ-4230MVP see if you can find this in europe Title: Re: rig fan cooling management Post by: Vann on February 26, 2018, 04:15:31 PM Box fan, cheap, easy to replace, lot's of airflow and more effective than messing with a bunch of small fans that don't do as good of a job at dissipating heat from around the rig.
https://s13.postimg.org/qdq1jeflz/Rigs_With_Fans.jpg Title: Re: rig fan cooling management Post by: Subutai on February 26, 2018, 05:25:43 PM Box fan, cheap, easy to replace, lot's of airflow and more effective than messing with a bunch of small fans that don't do as good of a job at dissipating heat from around the rig. https://s13.postimg.org/qdq1jeflz/Rigs_With_Fans.jpg Out of curiosity, how much power do those two fans pull? Title: Re: rig fan cooling management Post by: Vann on February 26, 2018, 05:54:20 PM The regular $17 box fans pull ~55W on low, 67W on medium and ~75W on high.
https://www.homedepot.com/p/Lasko-20-in-3-Speed-Box-Fan-3733/100405665 These are more more powerful, but also use more power, ~70W on low, ~90W on medium and ~104W on high. https://www.homedepot.com/p/Lasko-20-in-Power-Plus-Box-Fan-B20540/300202629 I keep mine on low. I can also use a single box fan for a 13 card double tier rig. https://s13.postimg.org/fkn4omnpj/Double-_Tier_Rig_With_Fans.jpg Title: Re: rig fan cooling management Post by: meru890 on February 26, 2018, 09:31:20 PM Hi I'm keen to know how you control your fans. I would like to optimize my airflow setup and therefore install a 6x fan row. They are all molex powered (some cheap china fans I guess) and chain linked to a single molex adapter. Sure I could connect it directly to my PSU but then I got 100% (too noisy, not efficient). I could use Speedfan tool but therefore I have to connect it directly to my board. Nothing happening when I do that and is it even possible regarding watt if I connect 2 rows à 6 fans (12 total) directly? How do you manage the fan speed of your rig fans? Or should I just buy an external fan adapter like this: https://goo.gl/DoKM67 and connect with an adapter my 2 fan rows? Maybe also switch the fans to those: https://goo.gl/wFZxpu Here is the picture of my fans: https://imgur.com/a/nLBLz Give me a few minutes I will link a good power controller. these are far better then anything around http://www.mfjenterprises.com/Product.php?productid=MFJ-4230MVP see if you can find this in europe @vann, yeah this looks like the master race option :D Title: Re: rig fan cooling management Post by: meru890 on March 12, 2018, 11:31:35 AM Don't know why there is no love at all for the fans :D I replaced the cheap china fans and did some hours of testing. Fan settings of gpu were on automatic, cards temperture went down at least 15 degrees without changing any settings. Even more impressive since the gpu fans were on 40% and run now on 25%. So overall the impact is even bigger. As soon as I can move the rig to a different location I'll set the gpu fans around 50% and should see easy temps below 50 degrees for my rx580.
https://imgur.com/TbNrG2p |
