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Will This Fan Controller Power All Four Fans? [Electricity Question]

Will This Fan Controller Power All Four Fans? [Electricity Question]

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  #1  
Old 06-10-14, 07:00 AM
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Question Will This Fan Controller Power All Four Fans? [Electricity Question]

I am working on a little project. The main goal is to have four speed controlled 80mm fans hooked up to a computer power supply. I'm concerned whether the fan controller I've chosen can power all four fans. Do you think 1 controller will do it or should I purchase two of them to ensure I have enough power?

ZALMAN FAN MATE 2, Fan Controller
Output Voltage: 5V - 11V +/- 2%
Allowable Power: 6W or lower
Connector: 3-Pin

APEVIA 80mm 3pin UV Blue Case Fan
Start-up Voltage: 6 VDC
Rated Voltage: 12 VDC
Rated Current: 0.25 A
Connector: 3-pin

Note: I know the controller only supplies power to one fan. I plan on using a splitter to connect all the fans to the one controller.
 
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  #2  
Old 06-10-14, 07:31 AM
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The key is to find the fan's power consumption at the 5 volts you will be feeding them.

amps x volts = watts
 
  #3  
Old 06-10-14, 07:47 AM
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Wink

Originally Posted by Pilot Dane
The key is to find the fan's power consumption at the 5 volts you will be feeding them.
I don't understand what you mean

Originally Posted by Pilot Dane
amps x volts = watts
Rated Voltage: 12 VDC
Rated Current: 0.25 A

So 0.25A x 12VDC = 3W per fan. 3W x 4 fans = 12 Watts. So I will need two controllers to power all four fans. Did I have that right? Thanks so much for your help Pilot Dane
 
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