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 - Newegg.com
NETGEAR - Nighthawk Dual-Band AC1900 Router with 24 x 8 DOCSIS 3.0 Cable Modem - Black | Dell USA
Netgear Nighthawk C7100V AC1900 WiFi Cable Modem Router for XFINITY Internet and Voice review: Netgear combines cable modem, Wi-Fi and voice service in a new gateway for Comcast - CNET
The Best Cable Modem | Reviews by Wirecutter
NETGEAR NighthawkC7100V-100NAS Wireless Router for sale online | eBay