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Cheapest decent high speed fans within 12V 0.50A?

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post #1 of 49 (permalink) Old 04-30-2020, 12:39 AM - Thread Starter
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Cheapest decent high speed fans within 12V 0.50A?

My GPU stock fans are either too weak or broken.
I want to remove them and strap on either 2x 92mm or 2x 120mm fans each.
What are/where to get the cheapest decent options? (USA)
PWM preferred so I can just use a simple cable adaptor but not absolutely required.
Stay within 1.0 amp total so max 0.5A each.
Trying for at least 3000rpm but seems hard to find at reasonable price so might settle for 2200.

Thanks



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post #2 of 49 (permalink) Old 04-30-2020, 03:01 AM
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Hi,
Corsair ML series "non rgb" are nicely priced on 2 packs 120 or 140mm
Otherwise Be-Quiet high rpm fans silent wings.

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post #3 of 49 (permalink) Old 04-30-2020, 04:10 AM
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Quote: Originally Posted by ltpdttcdft View Post
My GPU stock fans are either too weak or broken.
I want to remove them and strap on either 2x 92mm or 2x 120mm fans each.
What are/where to get the cheapest decent options? (USA)
PWM preferred so I can just use a simple cable adaptor but not absolutely required.
Stay within 1.0 amp total so max 0.5A each.
Trying for at least 3000rpm but seems hard to find at reasonable price so might settle for 2200.

Thanks
I have "modded" several VGA with Arcic P12 pwm PST fans strapped to original heatsink . It works like a miracle. U dont need 2-3000rpm on 12cm size trust me.
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post #4 of 49 (permalink) Old 04-30-2020, 04:36 AM
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Quote: Originally Posted by ltpdttcdft View Post
My GPU stock fans are either too weak or broken.
I want to remove them and strap on either 2x 92mm or 2x 120mm fans each.
What are/where to get the cheapest decent options? (USA)
PWM preferred so I can just use a simple cable adaptor but not absolutely required.
Stay within 1.0 amp total so max 0.5A each.
Trying for at least 3000rpm but seems hard to find at reasonable price so might settle for 2200.

Thanks
You don't need 3000rpm fans. The few of us who often remove stock GPU cooler shroud and fans replacing them with 90mm or 120mm 25mm thick lower speed fans know we know need high speeds because thicker fans flow much more air at much lower noise levels.

What GPU do you have?


What TeslaHUN said, Arctic P series are good low-cost fans. Keep in mind they will not have GPU size plugs so won't plug into GPU fan header/s

I would use amotherboard fan header that uses GPU temp to set fan speed curves and a simple PWM splitter with PSU power on a Molex or SATA power plug. This way fans will be speed controlled by PWM signal and powered directly from PSU so no chance of damaging fan header. Reason is amp rating of fans are usually running load, but at startup a split second they draw 3-5 times what they draw while running. They also draw this much higher load if bearing freezed up or something fall into fan stopping impeller. This kind of splitter have sockets for 2 to 5 fans. Another way is to get PWM splitter hub with 6-10 headers, but that overkill for your needs.

Here are some links to what I'm talking about:
https://www.quietpc.com/gel-pwm-1-4-pwmcable
https://www.scan.co.uk/products/akas...-black-braided
https://www.cclonline.com/product/22...itter/CAB6215/

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Last edited by doyll; 04-30-2020 at 07:19 AM.
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post #5 of 49 (permalink) Old 04-30-2020, 05:09 AM
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Quote: Originally Posted by ThrashZone View Post
Hi,

Corsair ML series "non rgb" are nicely priced on 2 packs 120 or 140mm

Otherwise Be-Quiet high rpm fans silent wings.
And they are also garbage compared to p12s.
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post #6 of 49 (permalink) Old 04-30-2020, 05:10 AM
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Quote: Originally Posted by ltpdttcdft View Post
My GPU stock fans are either too weak or broken.

I want to remove them and strap on either 2x 92mm or 2x 120mm fans each.

What are/where to get the cheapest decent options? (USA)

PWM preferred so I can just use a simple cable adaptor but not absolutely required.

Stay within 1.0 amp total so max 0.5A each.

Trying for at least 3000rpm but seems hard to find at reasonable price so might settle for 2200.



Thanks
You don't need that much rpm. Not even close. I have the same mod on 1080strix and I'm staying mostly around 1000.
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post #7 of 49 (permalink) Old 04-30-2020, 05:22 AM
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Arctic also makes P8 fans that have 80mm diameter.

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post #8 of 49 (permalink) Old 04-30-2020, 08:56 AM
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Arctic's P series fans are a good choice. They have them in 80mm, 92mm and 120mm sizes. If you want to go for 120mm fans, Corsair's ML120 two pack is a good buy (maybe overkill). I have used Cougar Vortex fans on my GPU too and they are nice.
The stock GPU fans are never that great in terms of airflow and noise. Any regular 120mm (or even 92mm) fan would be better an quieter. The ML's despite being 2400rpm fans will most likely sound better to you than your GPU's stock fans at full blast.

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post #9 of 49 (permalink) Old 05-01-2020, 12:00 AM - Thread Starter
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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



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post #10 of 49 (permalink) Old 05-01-2020, 12:30 AM
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You probably won't be able to beat the Artic PWM PST 120mm value pack. They link to each other. so only one adaptor would be needed. Like the others have mentioned you are constraining your fan criteria needlessly. I put some Cougar vortex 120mms on my 580 and temps dropped 10c and they were inaudible (fans were running 700-800rpm) I recently bought the Artic value pack and they too are inaudible. "Premium" fans only offer negligible benefits over decent fans, but if you want to pay 4x the price for margin of error differences, that's your business.
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