Can i change 4 pin molex fans to 3 pin pwm?

[HaganBrewer]

Hi i recently bought 4 120m fans on eBay assuming they were the standard 3 pin pwm. They have a 4 pin molex connector but only 2 wires running out of the fan to the molex connecter. Then there is another 4 pin molex running of the first (so you can chain all the fans together of a single molex). Is there a way i could change the 4 pin molex to a 3 pin pwm so i can buy a fan controller and connect it up. I haven't seen any 4 pin molex fan connecters and if there is there would be way to much cable mess for 4 fans. Thanks

 

[Calculagator]

The 4 pin molex connectors are just there for ease of use: they make it easy to connect directly to the PSU. You cannot convert these to PWM fans, but there are plenty of fan controllers for non-pwm fans. These controllers have 2 pin outputs to fans. You should be able to connect these to the 2 wires that go to your fans.

You may need some adapters, but something like this should work:
http://www.newegg.com/Product/Product.aspx?Item=N82E16811992007

 

[HaganBrewer]

The cost of 4 molex to 3 pin adapters online is more than the fans! I think ill just wire them to the PSU. Thanks for your advice