Hi
With this laptop only then your options are
- dual Kinect v1 (for XBOX 360)
- 4 PS Eyes (maybe 6) with USB hubs
What is the best of these options depends on your requirements and preferences.
This comparison may help you to decide.
Dual Kinect v2 would be better than Kinect v1 but you'll need 2 PCs to handle them due to limitation in MS Kinect SDK. Practically any modern laptop including low-end ones can handle Kinect v2.
I cannot tell for sure what number of PS Eyes your laptop will handle. From my practice modern Intel USB 3.0 controllers used in laptops can handle 4 cameras (you need to use USB hubs to get enough USB ports). As it's also got USB-C port I guess there is a separate USB 3.1 controller for it. And it might handle another 2 cameras, but this depends on USB compatibility. I've not tested PS Eyes with USB 3.1 controllers yet.
You did not specify which drive is used in the laptop. I would recommend an SSD if it is the only drive.