Amazon.com: ARRIS SURFboard T25 DOCSIS 3.1 Gigabit Cable Modem , Comcast Xfinity Internet & Voice , Two 1 Gbps Ports , 2 Telephony Ports , 800 Mbps Max with Xfinity Internet Plans,Black : Toys & Games
Amazon.com: Motorola MT7711 24X8 Cable Modem/Router with Two Phone Ports, DOCSIS 3.0 Modem, and AC1900 Dual Band WiFi Gigabit Router, for Comcast XFINITY Internet and Voice : Electronics
DOCSIS Cable Modems and DOCSIS Cable Modem Registration
Amazon.com: Motorola MB8600 DOCSIS 3.1 Cable Modem - Approved for Comcast Xfinity, Cox, and Charter Spectrum, Supports Cable Plans up to 1000 Mbps | 1 Gbps Ethernet Port : Electronics
Amazon.com: NETGEAR Cable Modem DOCSIS 3.1 (CM1000) Gigabit Modem, Compatible with All Major Cable Providers Including Xfinity, Spectrum, Cox, For Cable Plans Up to 1 Gbps,Black : Electronics