Amazon.com: ARRIS SURFboard SBG8300 DOCSIS 3.1 Gigabit Cable Modem & AC2350 Wi-Fi Router , Comcast Xfinity, Cox, Spectrum & more , Four 1 Gbps Ports , 1 Gbps Max Internet Speeds , 4 OFDM Channels : Electronics
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
Motorola MB8600 DOCSIS 3.1 Ultra-High Speed Cable Modem | Approved for Xfinity by Comcast, Spectrum, Cox | Supports Cable Plans up to 1000 Mbps - Walmart.com