When it comes to choosing a cable modem, understanding the differences between DOCSIS 3.0 and 3.1 can be crucial. While both versions are similar, there are some key distinctions to consider. For those with high-speed plans exceeding 1Gbps, a DOCSIS 3.1 modem is necessary for optimal performance. However, for lower-tiered internet plans, a DOCSIS 3.0 modem may suffice, especially considering the price difference.

DOCSIS 3.1 modems support download speeds up to 10Gbps, making them ideal for users requiring faster connections. On the other hand, DOCSIS 3.0 modems can still support speeds above 200Mbps, making them suitable for those with lower-speed plans.

In terms of security, both versions have improved encryption features, but DOCSIS 3.1 is more equipped to handle modern online threats. Ultimately, the choice between a DOCSIS 3.0 and 3.1 modem depends on your specific internet needs and budget.

Source: https://www.cnet.com/home/internet/docsis-3-0-versus-3-1-whats-the-difference-for-your-cable-internet-modem-connection/#ftag=CAD590a51e