Great interoperability with other mesh networks and WiFi

https://litecomparison.com/motorola-mb7621-vs-arris-sb6183/

With the SB6180, an operator can link up to 8 downstream channels and 4 upstream channels to deliver downstream data speeds in excess of 300 Mbps in DOCSIS mode and 400 Mbps in EuroDOCSIS mode, and upstream data rates in excess of 120 Mbps, for cutting-edge multimedia services.
I was disappointed to find out that my May 2022 purchase of a Motorola MB8600 cable modem only has a single ethernet connector, not four. I'm disappointed because an extra port would be helpful for debugging purposes when connecting a laptop directly to the MB8600 without going through a different router.
No longer will you have to activate your modem by calling your ISP. This process is simplified by Surfboard Central, so you may start surfing as soon as feasible. Download rates of up to 686 Mbps and upload speeds of up to 131 Mbps are supported (speeds based on your cable Internet service provider). usable with the vast majority of cable providers in the US. Both IPv4 and IPv6 Internet protocols are supported. Plans up to 400 Mbps in speed work best with it. You should stop sending money to the landlord every month. You can supercharge your home network with the help of the SURFboard SB6183.
Savings of up to $156 per year on cable modem rental fees are possible. The discounts shown are for Xfinity and may not apply to other cable providers. There is currently no cable modem that can be used with the fiber optic, DSL, or satellite services offered by major providers like Verizon, AT&T, CenturyLink, Frontier, and others. There is no phone jack on the MB7621. The MB7621 is recommended if you want to take advantage of speeds of up to 650 Mbps with a genuine cable Internet subscription. This modem has been deemed the "best modem for most users" by the website Wirecutter. In order to have a more stable and quick internet connection, a full-band capture digital tuner is required.
This cable modem's 1 Gigabit Ethernet port can link it to a home network, HDTV, game console, PC, or streaming media player.
Great interoperability with other mesh networks and WiFi extenders like eero, Google WiFi, and Orbi. You cannot make phone calls or connect to a wireless network with this cable modem.