Do I need multi-gigabit now?
https://www.commscope.com/blog/2018/do-i-need-multi-gigabit-now/
The introduction of 802.11ax APs in 2018-19 is likely to be a major factor in the acceleration of multi-gigabit connectivity adoption. Key considerations include demand for high thoroughput, density of users or devices, costs of new APs and switches, timing of Wi-Fi upgrades, usage growth and insfrastructure retention.