gamer problem with lag
so im trying to use my xbox one and i cannot stay in a lobby, im always lagging and i end up getting kicked. i have up 150mbps. the prob is i am sharing internet with my whole family.. and usually its 10+ devices, right now its 8. now is QoS available with netgear C6300BD , and if not if i increase to 300mbps will i be able to play online without any probs..??