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can 1 molex run 3 fans at max speed?

MARK-dam
By MARK-dam
in Cooling
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Posted

i want to buy 3 120mm fans each one has molex cable

like that http://prntscr.com/ax1h7o

question: if i connected the 3 molex that come with the fans  together. then from the last one to 1 molex cable from the psu
will the fans run at max speed?
i mean can 1 molex run 3 fan at max speed?

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Posted
5 minutes ago, MARK-dam said:

i want to buy 3 120mm fans each one has molex cable

like that http://prntscr.com/ax1h7o

question: if i connected the 3 molex that come with the fans  together. then from the last one to 1 molex cable from the psu
will the fans run at max speed?
i mean can 1 molex run 3 fan at max speed?

yes. 

every fan has a power draw in amps. count the amps together and you see that 3x120 fans wil draw around a max of 0.6 amps. that is easily handled with one 12 rail. 

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Posted

 A normal molex connector can carry up to 5 amps of power per pin. So yes.

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5 minutes ago, Pesukarhu said:

 A normal molex connector can carry up to 5 amps of power per pin. So yes.

that would easily power 25 fans per molex connector.

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On 4/26/2016 at 2:58 PM, Pesukarhu said:

 A normal molex connector can carry up to 5 amps of power per pin. So yes.

 

On 4/26/2016 at 3:03 PM, JPotze said:

that would easily power 25 fans per molex connector.

they are sicklflow X  each one need  4.2W

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On 4/26/2016 at 2:58 PM, Pesukarhu said:

 A normal molex connector can carry up to 5 amps of power per pin. So yes.

 

On 4/26/2016 at 2:56 PM, JPotze said:

yes. 

every fan has a power draw in amps. count the amps together and you see that 3x120 fans wil draw around a max of 0.6 amps. that is easily handled with one 12 rail. 

http://prntscr.com/ax1zo8

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5 minutes ago, MARK-dam said:

 

they are sicklflow X  each one need  4.2W

It's still only around 1 Amp......you'll be fine.

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3 hours ago, MARK-dam said:

 

they are sicklflow X  each one need  4.2W

Watts = Volts x Amps

 

So each fan pulls approximately 0.35 amps.

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