Xfinity docsis version Tags: Connectivity Modem Cable Wireless Networking Last response: December 2, 2012 6:57 AM in Wireless Networking Share MichaelChua December 2, 2012 1:56:57 AM Hi, how do I determine what my data speed is for my data plan, and will I need a docsis 3 cable modem? More about : xfinity docsis version Emerald December 2, 2012 6:57:26 AM if your data plan is 30Mb/s and below, a DOCSIS 2.0 should work. m 0 l Can't find your answer ? Ask ! Publish Related resources SolvedDocsis 3 cable modem for comcast xfinity Forum More resources Read discussions in other Wireless Networking categories Configuration Security Connectivity !