I am running Unifi's controller to handle 2 APs and 2 switches at my house, plus 3 APs, 3 switches, and a USG that are remote (at my parents' house). I currently run the controller on a Synology ...

The Ubiquiti UniFi AP AC PRO features a saucer type of design which is the design used for most of the UniFi AP lineup.

The Ubiquiti UniFi AP AC HD is administered through the UniFi Controller software, which is a unified management solution for Ubiquiti’s UniFi lineup of networking products.