Matching fans:
24V - https://www.amazon.de/dp/B09KP9NBJP
12V - https://www.amazon.de/dp/B07DB5XQ23
Required screws:
4x 10mm M3 (for the Mainboard)
1x 10mm M3 (for the Housing)
2x 10mm M2 (for the fan)
Version 2 contains space for two fans and is intended for 6mm thick strut plates.