Each port on that router can be throttled. Setting it all up will take a clear understanding of networking. Like I said, it is not the friendliest router to setup and configure, but once you get it all set, it works really well.
You will want to visit their support forums for help. I have setup four of these routers for various family members so I they would stop pestering me about all the issues they were having with other consumer grade routers.
Before plunking hard earned cash for it, read,...read,...then read some more about it.