Cpu Fan Header 3 Pin 4 Pin

The four wire connectors are for processor fans with higher power consumption.

Cpu fan header 3 pin 4 pin. Chassis and cpu fans may use either 3 pin or 4 pin power connectors. The fourth pin is for a temp sensor in the fan. 4 pin connectors are usually used by cpu fans with higher power consumption. The three wire connectors are for small chassis fans with lower power consumption.

Free shipping on your first order shipped by amazon. This extra sensor lets the mb control the fan better as it. Amazon s choice for 4 pin fan header. If you connect the 4 pin fan connector to a 3 pin header then the fan will run at maximum rpm.

Electop 3 pin atx fan to 4 pin molex connector cable fan power adapter cable 2 pack 4 6 out of 5 stars 182. You can plug a 3 pin fan into a 4 pin header just fine. Get it as soon as thu. Fans and on board fan headers are backwards compatible.

It will typically just run at 100. A three wire fan connecting to a four pin fan header. This cable enables you to connect standard 3 pin fan connector to the motherboard pwm 4 pin fan header connector port. How to mod 3 pin cpu fan into 4 pin 3 pin to 4 pin fan adapter 4 pin pwm to 3 pin fan adapter 3 to 4 pin fan adapter pwm fan adapter 3 pin to 4 pin pwm converter.

Speed control options rpm range will vary between fans and motherboards on a 3 pin connection but the fan will spin. When connecting a three wire fan to a four pin fan header the fan is always on. You cannot plug a 4 pin pwm fan into a 3 pin fan header will not run. There is no fan control.

Threebulls pwm fan hub pc cpu cooling 4 pin 3pin fan power cable hub splitter adapter sleeved pwm case fan splitter for 12v desktop computer cooler case fans 1 to 5 way 15 7 inch 4 4 out of 5 stars 287. 2 pack molex to 3 x 3 pin or 4 pin computer pc case fan power splitter adapter cable 10 inch. The first three pins of the 4 pin header are the same as the standard 3 pin header. Get it as soon as wed sep 30.

So you basically have the right idea but i just wanted to let you know about some of the less common options out there. 3 pin connectors are usually used for the smaller chassis fans with lower power consumption. Other thoughts you can plug a 3 pin fan into a 4 pin motherboard header. The fan connector will have two guides 1 and these will need to line up with the tab 2 that is on the motherboard fan header.

My rig has 2 pairs of 3 pin fans phanteks ph140sp connected to two 4 pin motherboard headers asus z97m plus via basic y splitters and they work and control just fine.