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Any 2.70A fan controllers?

 
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post #1 of 8 (permalink) Old 01-18-2020, 08:55 AM - Thread Starter
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Any 2.70A fan controllers?

I need a fan controller to silent a Delta blower. A single fan controller would be best. My motherboard doesn't seem to support fan speed control on 3 pin fans. Or should i just replace it with a quieter blower.

Model: BFB1012VH
Size: 97x94x33mm
Input Voltage: 12 VDC
Rated Current: 2.70A
Power Input: 17.04W
Speed: 5000 RPM
Airflow: 35.73 CFM
Noise: 58.0 dBA
3 Pin Connector

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Last edited by ozlay; 01-18-2020 at 09:02 AM.
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post #2 of 8 (permalink) Old 01-18-2020, 10:12 AM
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Yes, the Aqua Computer Aquaero 6 can run them. More on that here.

https://forum.aquacomputer.de/weiter...new-aquaero-6/

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post #3 of 8 (permalink) Old 01-18-2020, 10:46 AM
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I think that Aquaero might be the only controller can do that. I've seen one on kijiji and eBay for sale a bit steep $, but still much cheaper than getting from anyone else.
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post #4 of 8 (permalink) Old 01-18-2020, 10:59 AM
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Id suggest hopping on ebay or amazon and finding a variable voltage controller for under $20


Generally they are 3-12v controllable (quite the variety of ranges), and they would be fairly easy to do a DIY setup.
The easiest method would be to find a sata to molex power adapter to maintain plug and play with sata, and chop the molex end off to provide the 12v to the voltage controller.


Then find an old fan power adapter to hook the fan up.


You are stuck using a knob or screwdriver to adjust voltage, but they generally have upwards of 10amp control.


Find one with a heatsink on it, that is a good sign it can handle lots of power.


I beleive they were titled as "dc to dc variable" in some listings.


here is an example of a SMALL version that is rated for 2amps constantly, but burst to 3 amps. This is a 5 pack, so not exactly what you want given the price.


https://www.ebay.com/itm/DROK-5-Pcs-...EAAOSwTUBeGnGU



Just a reminder, most fan ratings on their stickers are for max rpm constant use. Very few of them show the initial spin up power draw, which can be as high as 5x the constant rating.


This means you may want to have a small capacitor added to the power input side to help buffer the initial surge spike.
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post #5 of 8 (permalink) Old 01-18-2020, 11:28 AM
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Use a Lamptron FC-9 for my high amperage fans. 4a on each channel. But it is a manual fan controller, no usb connection.

.


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post #6 of 8 (permalink) Old 01-18-2020, 12:15 PM
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Get 1 to 10 way PWM hub splitter from aliexpress. I got these for 2.8$ only. You can control all of your high power fans from one 4pin PWM fan port of your motherboard. Only PWM signal and rpm reading is controlled from motherboard fan port, power required for all fans is provided by 4pin molex (132w max) and sata connector (54w max) to hub.

I control 8x Delta 4400rpm 120mm (1.6amp) fans on my dual 480 rads with it.

I never run my fans above 3000rpm.
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post #7 of 8 (permalink) Old 01-18-2020, 02:16 PM - Thread Starter
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A lot of great suggestions here. But i decided to just replace the fan with a 4pin fan with a lower current rating. Which I found to be a cheaper alternative. Hopefully it will be quieter. If not the board should be able to control it.

Rikka
(9 items)
CPU
Intel I5-7600k
Motherboard
Asrock Z270M Extreme 4
GPU
Titan X
RAM
Gskill Royal
Hard Drive
970 Evo
Hard Drive
Optane 900p
Power Supply
Seasonic Prime Snow
Case
enthoo evolv matx tempered glass
Operating System
windows 10 pro
▲ hide details ▲


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post #8 of 8 (permalink) Old 01-22-2020, 12:42 PM
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I have been using these relatively cheap but powerful fan controllers from Aliexpress. They are great and are able to regulate the fans well below what most fan controllers can (which often are limited to 6v for the lowest voltage), which is why I really prefer them for smaller projects.

You should check them out if you can:
https://www.aliexpress.com/item/32803446507.html

Last edited by Rainmaker91; 01-22-2020 at 02:13 PM.
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