Here's links, I haven't gotten to that part yet...

3x Huanuo Steel Mount Reinforcements: https://www.amazon.com/gp/product/B08CK24TCX/

1x ErGear Wall Mount: https://www.amazon.com/gp/product/B08G14FLD4/

1x MOUNTUP Triple Monitor Mount: https://www.amazon.com/gp/product/B07Z7ZWC6S/

2x Huanuo Dual Mount: https://www.amazon.com/gp/product/B0855ZBPXD/