Amazon.com: NETGEAR Nighthawk Cable Modem WiFi Router Combo (C7800) - Compatible with Cable Providers Including Xfinity by Comcast, Cox, Spectrum | Cable Plans Up to 2 Gigabits | AC3200 WiFi Speed | DOCSIS 3.1 : Electronics
Amazon.com: Motorola MG7700 Modem WiFi Router Combo with Power Boost | Approved by Comcast Xfinity, Cox and Spectrum | for Cable Plans Up to 800 Mbps | DOCSIS 3.0 + Gigabit Router : Electronics
ARRIS SURFboard DOCSIS 3.1 Cable Modem & Dual-Band Wi-Fi Router for Xfinity and Cox service tiers Black SBG8300 - Best Buy