[SOLVED] Problem with new case fans

Kbatu

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Jul 17, 2014
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Hi tomshardware,
I have a problem with my new case fans i bought. I am not very good at building PCs so, sorry in advance. I also wasn't sure which subforum to post this.
I have a MSI B450M PRO-M2 V2 motherboard which has 1 case fan connector(4pin).
My computer had stock case fans (3 front, 1 back) which were powered through molex cables. 2 of the front fans died so I bought myself 1x 3in1 CoolerMaster SickleFlow 120 and 1x 1 CoolerMaster SickleFlow 120. While trying to install these new fans I encountered a few problems.
First, my motherboard has only 1 connection and I have 4 fans to connect via 4pin. The 3in1 package came with a splitter but it only splits to 3. Can i connect a 2splitter to one of the ends of 3splitter to result in 4 way?
Second, I cannot find the ampere rating of the fan connector on my motherboard, and each fan has 0.15A rated/0.37A safety current. I don't want to burn my motherboard so is it safe to connect 3 fans or 4 fans the way I described above?
Third, since i have 3 way splitter for 4pin and 2 of my old molex fans are working, can I install both of these different fans and expect them to work? Or will this damage my computer/PSU in any way? (I mean having 1 molex fan and 3 4pin fans simultaneously)
Sorry for too many questions.
Thanks in advance.

new fans: https://www.coolermaster.com/catalog/coolers/case-fan/sickleflow-120-argb-3in1/ https://www.coolermaster.com/catalog/coolers/case-fan/sickleflow-120/
motherboard: https://www.msi.com/Motherboard/B450M-PRO-M2-V2/Overview
old fans of case: https://en.sharkoon.com/product//TG5#specs
 

Kbatu

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Jul 17, 2014
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Better to arange it with a fancontroller and ARGB controller. Is there a ARGB controller included with the Sickleflow 3-pack?
Yes It has a mini ARGB controller. I connected it as described in the booklet but it seems to effect only the rgb, not fans.
 

Kbatu

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Jul 17, 2014
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That's why you need a fancontroller for the fans.
Thank you! According to the website, that hub solves the ampere problem since it powers from sata.
I will still wait for answers to my questions since maybe there might be a free solution.
I will mark your reply as answer in a few days if noone replies.
 

Kbatu

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Jul 17, 2014
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I read on the forums that the the ampere usage is higher on startup. Also it writes 0.37A on each fan for some reason.
 

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