Rosewill Challenger u3 - is the front 120mm case fan replaceable?

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jb0nez

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May 31, 2012
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Rosewill Challenger u3 - is the front 120mm case fan (blue LED one) replaceable with a higher CFM? Anyone know the CFM of the one in there? Would like to create a positive pressure case. I already added a 120mm intake fan on one side panel, the other side panel space is blocked by my cpu cooler. But with the top 140mm and back 120mm, suspect I'm still in negative pressure range.
 
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C12Friedman
Yes it is. You can access that fan by removing the front panel. I haven't attempted to place a fan thicker than 25mm in the front but I'm fairly certain 38mm thick "super fans" (Delta, Ultra-Kaze etc.) won't work there
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jb0nez

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Thanks! What kind of power connector is needed? Thinking back I don't recall hooking that fan up even...But it does have blue LED so I must have
 
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C12Friedman

C12Friedman

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Jan 25, 2012
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If your PC has any 4 pin PWM headers available on the motherboard, you could get a PWM fan which allows you to adjust it's speed through the motherboard and it'll control speed by parameters you set. If you have 3 pin fan headers available on your motherboard, you can get a three pin fan (those can be controlled by software such as SpeedFan). If you do not have any fan headers available on your motherboard (or you don't want to use them), you can get one with a 4 pin Molex connector which can connect straight to your PSU but those run at a constant speed
Be careful when shopping for either of the 4 pin types, since often the listing may only specify 4 pin connector, you'll need to make sure it's either Molex or PWM depending on which 4 pin type you need (they aren't the same, it can be confusing )
 
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