Hello everyone,
I have the Dell Alienware Gaming Monitor (AW3423DW) and I am very happy with it! Super picture quality so all in all for the money very great screen for gaming.
Thanks to a VESA adapter I found, I have finally been able to mount my monitor for about 2 months. If anyone has the same problem as me, I would be happy to share the link to the adapter:
https://www.vesa-adapter.com/for-dell-alienware-gaming-monitor-(aw3423dw)--75x75mm/182/shop-details
So a very clear recommendation from me.