I used to have 250-350Mbps down 2 years ago but Cox has throttled down some older DOCSIS 3.0 modems to only have access to the essential 150mbps speed. If Cox didn't have a monopoly on internet servi...
If you are throttled down, it has to do with the version of D3 modem you are using. I am using an Arris 2460, 24 DS and 8 US channels, and I get 270 - 290 down consistently.
