Convert 3 Pin Fan To Pwm

This is still considered a 3 pin fan.

Convert 3 pin fan to pwm.

The converter is connected to your motherboard or pwm fan control while the fans are connected to the converter. 4 pin fan controllers hand off the pwm signal to the fan itself and these fan controllers supply an uncontrolled a 12vdc. They wont take it back so i need to find a solution. It didnt say on their website that it was 4 pin so i asumed that it was 3 pin.

Pwm cable adapter to convert a pwm fan connector to a dell proprietary 4 wires 5 pin connector plugged to dell factory motherboard so you can use most pwm cooling fans to cool a dell factory system and no need to purchase expensive dell oem replacement fans. A 4 pin pwm fan connector will have four square holes on the front and four wires entering the back. The converter is connected to your motherboard or pwm fan control while the fans are connected to the converter. Threebulls 2 pack 4 pin pwm fan splitter cable sleeved braided adapter computer pc fan power extension cable 1 to 3 converter for computer atx case 4 pin 3 pin cooling fan cable 10 6 1 to 3 4 6 out of 5 stars 113.

Now your 3 pin fan can be controlled like any other pwm fan. The converter is capable of outputting a voltage of 1a which equals 12w. Threebulls 2 pack 4 pin pwm fan splitter cable sleeved braided adapter computer pc fan power extension cable 1 to 3 converter for computer atx case 4 pin 3 pin cooling fan cable 10 6 1 to 3 4 7 out of 5 stars 180. 2 pack sata to 3 pin 4 pin pmw 12v pc case fan power adapter cable 3 pin or 4 pin pwm connector to 15 pin sata computer cooler cooling fan power cable model.

The converter detects the pwm signal and controls the 3 pin fan with the corresponding voltage. Identifying fan type 3 pin or 4 pin pwm. 3 pin fans will power up at 4 pin connectors but only at full speed. The converter detects the pwm signal and controls the 3 pin fan with the corresponding voltage.

With the 4 pin pwm to 3 pin transformer all 3 pin fans can now be controlled with a normal pwm signal. This is probably why they are not able to speed control your fan. Some fans may have a 4 pin connector but only 3 wires going into the back of the connector. This means you can use a y splitter to control several fans simultaneously through the converter.

I got a 4 pin molex t. This makes controlling your fan simple. Now your 3 pin fan can be controlled like any other pwm fan.