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Cheapest decent high speed fans within 12V 0.50A?

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post #11 of 49 (permalink) Old 05-01-2020, 03:27 AM
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Quote: Originally Posted by ltpdttcdft View Post
ML120 non-rgb 2-packs seem to be sold out except for price gougers at $35+ What is normal price?
Silent Wings definitely too expensive.
I've tried dual F9 and single P14, not powerful enough...
Maybe dual P12 would be different but from what I've seen the P series need to be sealed against something to develop their full potential. Either against case/rad or the heatsink fin pack needs to cover the entire swept area so it doesn't lose air out the side.
Looking for good fans for GPUs in general, but for now the Zotac 1070 mini.
I've seen a type of adaptor that plugs into the GPU style fan header and splits to two motherboard style fan headers.

Thanks
What case and case fan setup do you have?

if it's running too hot with dual F9 fans than it's likely air temp entering fans is much warmer than room. This is a common problem, espeically when case fans / case airflow is not improved from stock. Whatever degrees warmer air is entering cooler becomes same degrees hotter component will be (at same component load and fan speed). If air entering cooler is 10-15c (I've seen it 25c when gaming) because case airflow isn't supplying air at or near room temp to coolers, then GPU (& CPU will both be smae 10-15c (maybe even 25c) hotter than if case was supplying cooler fans with cooler air.

Below link is to basic gulde to airflow and how to optimize case airflow. At end is low cost way to monitor air temp into cooler fans.
https://www.overclock.net/forum/22319249-post5.html

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Last edited by doyll; 05-01-2020 at 05:52 AM.
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post #12 of 49 (permalink) Old 05-01-2020, 04:05 AM
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Hi,
Yep even local micro center selling the ml120 two packs for 40.00 think they were 25.00 at one time seeing they were non rgb they weren't all that in demand guess now there is a no rgb movement lol
Newegg was stupidly gouged.

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post #13 of 49 (permalink) Old 05-01-2020, 05:19 AM
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I use Cooler Master MF120r's for most of these types of cooling mods.they have RGB, are cheap, great RPM range and good blade design. The bearings are horrible. They don't last all that long and if mounted horizontally they can quite quickly rattle but they are so cheap here I just bought a whole bunch of them..

They look good and as long as the bearings survive they are very quiet even up to 1200 RPM.

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post #14 of 49 (permalink) Old 05-01-2020, 08:36 AM
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Quote: Originally Posted by BroadPwns View Post
Arctic also makes P8 fans that have 80mm diameter.

...I have two of the Arctic F8 pwm (80mm) and they have been great performers for several years now....*might* be a solution for GPU. Each is rated at 0.14A and they do move a decent amount of air, besides value pack of 5 is fairly cheap
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post #15 of 49 (permalink) Old 05-01-2020, 09:09 AM
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Unless the vrm circuitry on your card has no heatsink or gets insanely hot in normal use, then you won't need a crazy fast fan with high SP ratings. Most GPU fans are 50-60cfm tops when at full screeching blast, which most 92/120mm regular fans will achieve at a much lower speed and noise level.

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post #16 of 49 (permalink) Old 05-01-2020, 03:25 PM
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...this is just about options re. aftermarket GPU fan replacement..a lot depends on the the specific shroud et al. Up to 3x 80mm fit where there usually are 2x 120mm (the latter being my preference). Arctic F8 run from 500 rpm to 2000 rpm per pwm control software
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post #17 of 49 (permalink) Old 05-02-2020, 01:21 AM - Thread Starter
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Mainly looking for shopping strategy/info for GPU fan replacement in general. Either 92 or 120mm.
Don't get too hung up on my current setup, it's all temporary and subject to change as time becomes available for building/modding, could be different cards, different cases.
The F9 tops out at 1800rpm -- the airflow to noise is much better but it doesn't keep up with the sheer brute performance of stock gpu fans at 100%. Only problem is the noise they make sounds like they are going to thrash the bearings to an early death.
Right now I'm working with an In Win Fanqua with 2 Arctic F12 and 1 Cryorig XT140 front intake and 1 In-Win FD1212-S3133E top exhaust. Rear exhaust, HDD cage, PCI covers, and side fan all removed. I can block the side panel with cardboard.

Thanks



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post #18 of 49 (permalink) Old 05-02-2020, 01:57 AM
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Quote: Originally Posted by ltpdttcdft View Post
Mainly looking for shopping strategy/info for GPU fan replacement in general. Either 92 or 120mm.

Don't get too hung up on my current setup, it's all temporary and subject to change as time becomes available for building/modding, could be different cards, different cases.

The F9 tops out at 1800rpm -- the airflow to noise is much better but it doesn't keep up with the sheer brute performance of stock gpu fans at 100%. Only problem is the noise they make sounds like they are going to thrash the bearings to an early death.

Right now I'm working with an In Win Fanqua with 2 Arctic F12 and 1 Cryorig XT140 front intake and 1 In-Win FD1212-S3133E top exhaust. Rear exhaust, HDD cage, PCI covers, and side fan all removed. I can block the side panel with cardboard.



Thanks
GTX 1080 strix 120mm sw3.
At 1170rpm I'm getting 10°C less than with stock fans at 2000rpm. The noise it's drastically lower aswell.

Get p12 fans, they're even better than my sw3 for a GPU rad.
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post #19 of 49 (permalink) Old 05-02-2020, 03:59 AM
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Quote: Originally Posted by Shenhua View Post
GTX 1080 strix 120mm sw3.
At 1170rpm I'm getting 10°C less than with stock fans at 2000rpm. The noise it's drastically lower aswell.

Get p12 fans, they're even better than my sw3 for a GPU rad.
What ltpdttcdft said about stock GPU fans being good is garbage talk. They simply are not much good and can't be because they are too thin a design. Stock GPU fans are 78-95mm x 10-12mm. Normal replacements are 90mm or 120mm x 25mm thick. 25mm thick fan of same design and speed as 15mm thick fan have about 40% more static pressure. Higher pressure ratings mean fan has much greater ability to overcome resistance. This means they will move much, much more airflow at lower speeds.

I've changed GPU fans to normal 25mm thick fans many times, usually using Arctic F because they were so cheap and do a good job. My results are like yours, 25mm thick fans give lower temps at half the speed and of course, much less noise. Only potential problem is to use these thicker fans requires empty GPU slots below GPU for fans to fit and still have room between fan and whatever is below it for good airflow.

Phanteks Owners Club Ways to Better Cooling
i7 980 @ 3.55GHz =PH-TC14PE w/2x TY-143 fans =Crucial Ballistix 3x4GB =GA-X58A-UD5 =ASUS GTX580 DirectCU II =Enermax Modu84+ =Define R2 w/3x TY-140 case intake fans; all PWM controlled by CPU fan socketPhanteks Enthoo Primo MoBo Rampage III Extreme CPUi7 980X
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post #20 of 49 (permalink) Old 05-02-2020, 05:29 AM
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Quote: Originally Posted by doyll View Post
What ltpdttcdft said about stock GPU fans being good is garbage talk. They simply are not much good and can't be because they are too thin a design. Stock GPU fans are 78-95mm x 10-12mm. Normal replacements are 90mm or 120mm x 25mm thick. 25mm thick fan of same design and speed as 15mm thick fan have about 40% more static pressure. Higher pressure ratings mean fan has much greater ability to overcome resistance. This means they will move much, much more airflow at lower speeds.

I've changed GPU fans to normal 25mm thick fans many times, usually using Arctic F because they were so cheap and do a good job. My results are like yours, 25mm thick fans give lower temps at half the speed and of course, much less noise. Only potential problem is to use these thicker fans requires empty GPU slots below GPU for fans to fit and still have room between fan and whatever is below it for good airflow.
Dont quote me on it, but most fans i think they dont even reach 10mm thickness.
I just measured one of my strix stock fans and they are 10mm from top to bottom with rotor and everything. The fan blades are only 5mm.
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