All-In-One POS vs. PC-Based Systems

Thanks @markjw for your help … probably we will be going for i7 laptop or with SSD drive ( or tablet with mount as kendash suggested) for our first branch for testing the system … may be later we could go for a real server and all in one POS.

Hi
I am thinking of using Asus et 1620 15.6 inch screen all in one .
https://www.asus.com/AllinOne-PCs/ET1620IUTT/
As this has two built in serial port. This will be a single terminal setup.
Would like to know if anyone has used this model before