Zotac Gaming Geforce GTX 1650 Fan Replacement.

Mounting holes is 42mm. You can find in this link the 40mm model: 

Specifications:

• Model: GA92S2U
• Diameter: 85mm
• Mounting holes distance: 42mm
• Power: DC 12V 0.46A
  
• Power connector: 4 Pin
  

Compatible with the following graphics card:

• ZOTAC GAMING GeForce GTX 1650
• ZOTAC GTX 1060 Mini ITX P106-090