 How powerful is Cox Internet? Powerful enough to let your band members in Vegas, Phoenix, and Rhode Island jam like you're all in the same garage. Introducing multi-gig download speeds powered by fiber from Cox. It's internet built for tomorrow, today. Cox, always building better. Limited availability in select areas. Cox Internet is powered by fiber and connected to the premises via coaxial cable. Speeds vary and are not guaranteed. Cox terms and other restrictions may apply.