PWM fan, connectors and CPU air cooler questions
2 hours ago, Stargazer13 said:1. My Corsair Carbide 400C case came in today. And I checked the fan pin connectors for the 120mm and 140mm fans that came with it and they are both 3 pins (Just 3 pins, not 4 pin with the 4th pin being a dummy pin). So since all of the fan headers on my board are 4 pins, where do I connect these 3 pin fans? They can't fit in the 4 pin headers can they? And if they do, how do I connect it to a 4 pin? And which header rod do I exclude? Here is the screenshot of my motherboard again just incase you need a reference:
You can connect 3pin to 4pin header and other way around. Though with some 3pin headers 4pin connectors just won't fit with plastic shroud. Those need some modding. Check this:
So there's plastic tab to guide connector. You can't connect it wrong way without forcing it.
2 hours ago, Stargazer13 said:2. How would you setup my fans? If you can go in detail on which fan to connect to which header and whether I should include or exclude the PWM fan hub that came with the Deepcool Assassin 2 CPU cooler.
- x2 Deepcool Assassin 2 CPU cooler fans (Cooler kit included a PWM fan hub with 4 slots
- x2 140mm PWM Arctic fans (I plan on putting these two fans in the front)
- x1 Corsair 120mm fan for the back (Non PWM and only 3 pin. Came with the case)
- x1 Corsair 140mm for the top (Non PWM and only 3 pin. Came with the case)
Since you can use headers pretty freely. Use CPU fans on CPU_FAN header. I'm not sure if mobo uses different controller for each header or not. If it doesn't you need to connect same region fans to grouped headers. So front fans to one group (CHA_FAN1 and 2 for example). And rear+top to another (H_AMP and AIO, though manual is bit confusing whether they all have control or not). You need to do some testing to check what works best. Thats what PC building is all about. Making it yours.
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