Model MB7621 is a 24×8 1,000 Mbps DOCSIS 3.0 cable modem certified by XFINITY from Comcast for speed tiers up to and including Comcast Xfinity Extreme Pro Internet 400. The MB7621 is also approved by Charter Spectrum, Suddenlink, CableOne, RCN and more. Owning this modem eliminates modem rental charges that are up to $156 per year. With easy …
MB8600 is a DOCSIS 3.1 Cable Modem certified by Comcast XFINITY, Comcast Business, Cox Communications, Spectrum and more. Owning your own modem often saves $156 per year in cable modem rental charges. MB8600 supports ultrafast DOCSIS 3.1, the only cable modem standard that can deliver Internet speeds of 1Gbps or higher. Actual speeds depend on your cable modem …