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
ARRIS SURFboard DOCSIS 3.0 Cable Modem / N600 Wi-Fi Dual-Band Router. Approved for XFINITY Comcast, Cox, Charter and most other Cable Internet providers for plans up to 150 Mbps.(SBG6580) - Walmart.com
ARRIS SURFboard DOCSIS 3.1 Cable Modem & Dual-Band Wi-Fi Router for Xfinity and Cox service tiers Black SBG8300 - Best Buy
Amazon.com: Motorola MB8600 Cable Modem + AC2600 Smart Wi-Fi Router with Extended Range | Top Tier Internet Speeds | Approved for Comcast Xfinity, Cox, and More – Separate Modem and Router Bundle : Electronics