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: ARRIS Surfboard SBG7400AC2 DOCSIS 3.0 Cable Modem & AC2350 Wi-Fi Router & Surfboard SB8200 DOCSIS 3.1 Cable Modem | Approved for Comcast Xfinity, Cox, Charter Spectrum & More | 2 Year
Comcast Docsis 3.1 Arris CM8200 Xfinity Fast Cable Modem.