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 (16x4) Docsis 3.0 Cable Modem Plus AC1900 Dual Band Wi-Fi Router, Certified for Xfinity, Spectrum, Cox & More (SBG6950AC2),Black
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
Cable Modem Router, MOTOROLA 8 x 4 Cable Modem Plus N450 Single Band Wi-Fi Gigabit Router with Power Boost, 343 Mbps Maximum DOCSIS 3.0 - Approved by Comcast Xfinity, Cox, Charter Spectrum - Newegg.com