Connecting Case Fans To Power Supply

Also there is a very simple way of modifying the 4 pin molex connectors on your power supply to give your fans 7v instead of 12.

Connecting case fans to power supply.

My motherboard only has one chassis fan connector cha fan and a cpu fan connector which means i will have to connect my case fans to the power supply. Most cases these days come with a few fans pre installed usually one at the front to bring cold air in and one at the back to throw hot air out but adding more can be useful if you want a pc that runs cool and quiet. Your graphics card often has a fan or two of its own. Welcome back to our how to build a pc guide with your motherboard and power supply now firmly in place it s time to get those fans going.

Yup just connect the fan controller to the two molex connectors as the fan controller gets power through 2 molex connectors. They supply the fan with less than 12v. In this video i show you how to install new pc fans in your computer how to install a fan controller how to position your fans in the right direction for a. Connect all the fan wires to the fan controller right.

You just have to be careful about dipping below the fan s startup voltage. Attach the case fan to the vented rear panel. These are 3 pin fans will they connect to this 4 pin speed. Yup connectors as labeled fan1 fan2 fan3 etc dont need to buy any molex cables and stuff right.

Power supply unit is the corsair tx650 watt power supply non modular motherboard is an asus p7h55 m le motherboard i have 4 case fans and a cpu fan that i have to connect. You just have to switch the ground and 5v wires on the power supply connector. Connect the fan to the power supply. Power down the computer and turn the power switch off on the power.