I think it would be easiest if you contact our consulting team at
https://helpcenter.digitec.ch/hc..., as there are also some product-specific details to consider, such as MST support for the notebook. This way we can individually search for a suitable monitor for you,
Unfortunately, a daisy chain connection should not be possible with this monitor, as the monitor would have to have a corresponding video output for this. As far as I can see from our specifications, all video connections here are intended to receive images. For daisy chain via DisplayPort (or DisplayPort through Thunderbolt), there should be both a video-capable DP input and DP output. Unfortunately, most monitor connections can only receive signals and not pass them on.