buy this modem to replace the crappy one that WOW be rent I . the setup be a breeze , WOW customer service be able to recognize it and get on they system right away . I have be use the modem for several month and so far it be be very reliable , do not think I have have to reset it once yet . -lrb- I mention this because that be a common issue with my previous modem . -rrb- I can not say I have notice a huge speed improvement as other review -lrb- on and off Amazon -rrb- mention about DOCSIS 3.0 modem but i have the lowest speed service I can get from WOW .