ARRIS SURFboard SBG8300 DOCSIS 3.1 Gigabit Cable Modem & AC2350 Dual Band Wi-Fi Router, Approved for Cox, Spectrum, Xfinity & others (black) , Packaging may vary : Everything Else
SURFboard mAX™ Pro Mesh Wi-Fi 6 Router & SB8200 Cable Modem DOCSIS 3.1 - SURFboard Store
Amazon.com: NETGEAR Cable Modem DOCSIS 3.1 (CM1000) Gigabit Modem, Compatible with All Major Cable Providers Including Xfinity, Spectrum, Cox, For Cable Plans Up to 1 Gbps : Electronics
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 : Everything Else
NETGEAR DOCSIS 3.1 Multi-Gig Cable Modem with 4 Ethernet Ports. Max download speeds of 6.0 Gbps, For XFINITY by Comcast, Spectrum, and Cox (CM1200) - Newegg.com
Motorola MB8600 DOCSIS 3.1 Cable Modem - Approved for Comcast Xfinity, Cox, and Charter Spectrum, Supports Cable Plans up to 1000 Mbps | 1 Gbps Ethernet Port - Newegg.com