A mod of the RTX4090 founder's edition's Fan which is cheap but high quality you can buy.this will help you to apply it on chassis or a radiator This is a free open source mod for All Diyers,you can download the file and 3D print it.

For users: You're expected to prepare these items listed below to finish assembling

4* m2 screw (length 2.5mm or 3mm),mount fan to the shround

4* m3 or m3.5 screw(length~20mm) for mount on chassis or radiator

defination of the FPC pins: face to the pin side,upward,THEY ARE +12V,+12V,PWM,GND,FG,GND. connect one pare of the +12v and GND and it is good to go

中文

RTX4090风扇MOD适配模型（R型）

安装须知

m2平头螺丝，长度2.5-3mm,将风扇固定到框架上

m3螺丝，长度20mm左右，用于风扇与机箱的固定

FPC针脚定义：面对金手指，排线指向上方，依次是 +12V,+12V,PWM脉冲调速信号，接地，测速线，接地