A mod of the RTX4070 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 heatsink 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
RTX4070风扇MOD适配模型 type X
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18mm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