ARRIS SURFboard 16 x 4 DOCSIS 3.0 Cable Modem & AC1600 Wi-Fi Router Black SBG10 - Best Buy
Charter Spectrum Approved Modems – ApprovedModemList.com
Amazon.com: ARRIS SURFboard SB8200 DOCSIS 3.1 Cable Modem | Approved for Comcast Xfinity, Cox, Charter Spectrum, & more | Two 1 Gbps Ports | 1 Gbps Max Internet Speeds | 4 OFDM Channels | 2 Year Warranty,White : Electronics
Amazon.com: NETGEAR Cable Modem CM400 Compatible with Cable Providers Xfinity by Comcast, Spectrum, Cox | For Cable Plans Up to 100 Mbps | DOCSIS3.0, Black (CM400-100NAS) : Electronics