Cpu Fan Header 3 Pin 4 Pin
When connecting a three wire fan to a four pin fan header the fan is always on.
Cpu fan header 3 pin 4 pin. Speed control options rpm range will vary between fans and motherboards on a 3 pin connection but the fan will spin. 4 pin connectors are usually used by cpu fans with higher power consumption. 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. Get it as soon as thu.
Hey guys on todays episode we learn about the difference between 3 pin and 4 pin fans and whether one or the other performs better for cpu cooling. Amazon s choice for 4 pin 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. There is no fan control.
It will typically just run at 100. The three wire connectors are for small chassis fans with lower power consumption. Free shipping on your first order shipped by amazon. The fourth pin is for a temp sensor in the fan.
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. This extra sensor lets the mb control the fan better as it. You cannot plug a 4 pin pwm fan into a 3 pin fan header will not run. Electop 3 pin atx fan to 4 pin molex connector cable fan power adapter cable 2 pack 4 6 out of 5 stars 182.
Other thoughts you can plug a 3 pin fan into a 4 pin motherboard header. 2 pack molex to 3 x 3 pin or 4 pin computer pc case fan power splitter adapter cable 10 inch. So you basically have the right idea but i just wanted to let you know about some of the less common options out there. Fans and on board fan headers are backwards compatible.
See above for cpu motherboard header operation. The four wire connectors are for processor fans with higher power consumption. The first three pins of the 4 pin header are the same as the standard 3 pin header. Chassis and cpu fans may use either 3 pin or 4 pin power connectors.
A three wire fan connecting to a four pin fan header. If you connect the 4 pin fan connector to a 3 pin header then the fan will run at maximum rpm. If you want to use the pwm function then the 4 pin fan must be connected to a 4 pin header on the motherboard. You can plug a 3 pin fan into a 4 pin header just fine.
3 pin connectors are usually used for the smaller chassis fans with lower power consumption.