Convert 3 Pin Fan To Pwm

A 4 pin pwm fan connector will have four square holes on the front and four wires entering the back.

Convert 3 pin fan to pwm.

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. My xps 720 doesnt have either a 3 pin or 4 pin connector on the motherboard. This makes controlling your fan simple. This makes controlling your fan simple.

The converter is capable of outputting a voltage of 1a which equals 12w. This is probably why they are not able to speed control your fan. The converter detects the pwm signal and controls the 3 pin fan with the corresponding voltage. 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.

Some fans may have a 4 pin connector but only 3 wires going into the back of the connector. Hi i just brought a artic cooling 120mm pwm fan from pc case gear. 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. With the 4 pin pwm to 3 pin transformer all 3 pin fans can now be controlled with a normal pwm signal.

The converter is connected to your motherboard or pwm fan control while the fans are connected to the converter. 3 pin fans will power up at 4 pin connectors but only at full speed. Now your 3 pin fan can be controlled like any other pwm fan. The converter detects the pwm signal and controls the 3 pin fan with the corresponding voltage.

This means you can use a y splitter to control several fans simultaneously through the converter. 4 pin fan controllers hand off the pwm signal to the fan itself and these fan controllers supply an uncontrolled a 12vdc. I got a 4 pin molex t. This is still considered a 3 pin fan.

It didnt say on their website that it was 4 pin so i asumed that it was 3 pin. They wont take it back so i need to find a solution. The converter is connected to your motherboard or pwm fan control while the fans are connected to the converter.