

If your provider has implemented it (Comcast is the only one i know of in north america) then Active Queue Management is a huge quality of life improvement that you won’t know you were missing unless you already had a router that implements queue management. https://www.cablelabs.com/blog/how-docsis-3-1-reduces-latency-with-active-queue-management
DOCIS 3.1 involves more than just speed. No point going over the speed limit if all the traffic lights are timed based on a certain speed. https://www.cablelabs.com/blog/how-docsis-3-1-reduces-latency-with-active-queue-management