Prolimatech introduces the Magnetic Pin, a new product to make the installation and removal of fans an easy and tool-free operation, while reducing noise and vibration due to the use of a rubber band.
This will only work if you have a steel cases though.
The Magnetic Pin is a unique rubber pin that magnetically attaches your system fan to your case. The special composition of rubber will absorb vibrations and reduce fan noise. The magnets embedded
in the pin allow you to quickly install and remove your fans as needed, no tools required!