ARRIS SURFboard 16x4 Cable Modem / AC1600 Dual-Band WiFi Router. Approved for XFINITY Comcast, Cox, Charter and most other Cable Internet providers for plans up to 300 Mbps. - Walmart.com
Amazon.com: NETGEAR N600 (8x4) WiFi DOCSIS 3.0 Cable Modem Router (C3700) Certified for Xfinity from Comcast, Spectrum, Cox, Spectrum & more : Electronics
Amazon.com: NETGEAR Nighthawk Cable Modem and WiFi 5 Router Combo (C7000) - Compatible with All Major Cable Providers incl. Xfinity, Spectrum, Cox - Cable Plans up to 800Mbps - AC1900 (Up to