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 Cable Modem CM500 - Compatible with all Cable Providers incl. Xfinity, Spectrum, Cox | For Cable Plans up to 400Mbps | DOCSIS 3.0 : Electronics
Amazon.com: NETGEAR Cable Modem CM400 - Compatible with all Cable Providers including Xfinity by Comcast, Spectrum, Cox | For Cable Plans Up to 100 Mbps | DOCSIS 3.0, Black, 8x4 Cable Modem (CM400) : Electronics