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  #1  
Old 11-23-2014, 06:47 AM
N0X N0X is offline
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Default SP120 High Performance low RPM problem

Hi,

I got two SP120 High Performance fans that I use for my H100i.
The problem is that, one of them is running slower than the other.
I manually maxed out the speeds in bios settings.
Its like around 600 RPM slower than the other.
I tried connecting it to different fan headers in the motherboard.
But the one is always slower than the other.

Do I need to get it replaced?

Please let me know.
Thanks.
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  #2  
Old 11-24-2014, 05:38 AM
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What are the fan specifications for each of the fans?
Are you using the included voltage step-down adapter?

SP120 HP (2350RPM)
Operating Voltage 7V - 12V
Power Draw 0.18 A

SP120 QE (1450RPM)
Operating Voltage 7V - 12V
Power Draw 0.08 A
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  #3  
Old 11-25-2014, 09:45 AM
N0X N0X is offline
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The box says 2350RPM.
And I'm not using any voltage step down adapter.
Anyway...
Lets say I connect the fan in the mobo fan header and check the RPM in bios.. it says around 1300... But when I connect the other fan to the same header and check, it says around 2000.
So does that mean, its defective and I need to get it replaced?
Both the fans are HP edition.
I tried connecting the included SP120 from the H100i. They are insanely fast btw. The only reason I bought the new fans was cos of the red rings :)
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  #4  
Old 11-25-2014, 05:34 PM
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It's most likely faulty. Request an RMA to replace the fan and make sure you upload a picture of the invoice as proof of purchase.
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  #5  
Old 11-27-2014, 06:02 AM
N0X N0X is offline
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Hi there,
It probably is faulty.
I took it out and now using it as bottom intake...
And I replaced the radiator fans with the stock ones... SP120L that came with the box.
They are now much better.. Temps are cooler... CPU @ 22C
I'm not gonna RMA the fan.. The process is a nightmare.

Thanks for your help (:
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  #6  
Old 11-27-2014, 06:14 PM
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If you do not want to RMA the fans and you are still under 30 days, contact your seller and replace it through them. It's better to have a fan that is suppose to perform at its rated specifications.
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h100i, low, rpm, slow, sp120

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