Amazon.com: NETGEAR Nighthawk Cable Modem WiFi Router Combo C7000-Compatible with Cable Providers Including Xfinity by Comcast, Spectrum, Cox for Cable Plans Up to 600Mbps | AC1900 WiFi Speed | DOCSIS 3.0
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: Motorola MB8611 Cable Modem + AC2600 Smart Wi-Fi Router with Extended Range | Top Tier Internet Speeds | Approved for Comcast Xfinity, Charter Spectrum, and Cox – Separate Modem and Router