Will this fan work on a 4 pin connection?

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larkspur
Four things:

1) The fan you selected has two connectors: One is a regular 3-pin fan connector (plugs into a motherboard fan header) and the other connector is a 4-pin PSU molex connector (used to connect fan direct to PSU which means fan runs 100% constant).

2) You mentioned your motherboard (or heatsink or whatever) has a regular 4-pin fan connector for connecting the fan. 4-pin fan connectors (on motherboards) also allow 3-pin fans to be plugged in - the 3-pin connector will still fit while leaving the 4th pin unconnected.

3) Having a motherboard 4-pin fan connector means that the motherboard supports Pulse Width Modulation (PWM) types of fans. PWM fans allow the fan to be run at very low speeds vs. regular 3-pin fans. In other...
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larkspur

larkspur

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Mar 10, 2011
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Four things:

1) The fan you selected has two connectors: One is a regular 3-pin fan connector (plugs into a motherboard fan header) and the other connector is a 4-pin PSU molex connector (used to connect fan direct to PSU which means fan runs 100% constant).

2) You mentioned your motherboard (or heatsink or whatever) has a regular 4-pin fan connector for connecting the fan. 4-pin fan connectors (on motherboards) also allow 3-pin fans to be plugged in - the 3-pin connector will still fit while leaving the 4th pin unconnected.

3) Having a motherboard 4-pin fan connector means that the motherboard supports Pulse Width Modulation (PWM) types of fans. PWM fans allow the fan to be run at very low speeds vs. regular 3-pin fans. In other words, the range of speeds for a PWM fan is greater than the range on a regular fan. So if you like, you can get a PWM fan for that heatsink instead.

4) Blowing air through a heatsink is tougher for a fan than blowing air through a case vent (unless the vent is severely clogged). When selecting a fan for a heatsink, you should use one with high static pressure. Fans marked "case fan" don't usually have good static pressure. I'm not sure what cpu cooler you are using, or whether you need the extra airflow, but maybe use this PWM fan instead: http://www.newegg.com/Product/Product.aspx?Item=N82E16835103070
 
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