Today I upgraded from 1Gbps AT&T Fiber, to 5Gbps AT&T Fiber (via BGW-320 gateway). This gateway has a single 5Gb (/2.5Gb/1Gb) LAN port, and three 1Gb LAN ports.
For Wi-Fi, I currently have an Orbi system consisting of RBR50 AC3000 router, two Orbi satellites, and an Orbi outdoor satellite...