Though fiber internet, not necessarily cable, is the main contributor to that jump, it's still an indicator that home internet speeds are going up. According to the Federal Communications Commission, only around 6% of US households had access to internet speeds of 1,000Mbps or higher in June 2016, compared to more than 33% in December 2022. The need for DOCSIS 3.1 modems has risen in recent years as home internet speeds have drastically improved. However, you still may want to consider additional security software or using a good VPN to help boost your online security.and essentially future-proof Modem manufacturers and ISPs release regular security updates to keep your equipment safe. To be clear, DOCSIS 3.0 came out in 2006 and DOCSIS 3.1 arrived in 2013, which is quite a long time in the tech world - long enough for initial security measures to become outdated. Additionally, the best router and modem combos that are equipped with DOCSIS 3.1 will also include WPA3, a more advanced router security feature than older modem-routers that may come with DOCSIS 3.0 and WPA2. But DOCSIS 3.1 is more secure.Īny major internet protocol update, like the transition from DOCSIS 3.0 to 3.1, will include improved security features, typically in the form of enhanced encryption, so it's safe to say DOCSIS 3.1 will do a better job of keeping you safe online. These manufacturers make DOCSIS 3.1 modems as well, but you'll have fewer options than you would if you were shopping for a DOCSIS 3.0 modem, at least for now. Meanwhile, manufacturers like Arris, Asus, Netgear and Motorola have made DOCSIS 3.0 modems for years. And, since the technology is relatively new, at least in use, finding a cheaper, used device may be more of a challenge. On the other hand, DOCSIS 3.1 modems can easily cost $150-$250 or higher. New DOCSIS 3.0 modems can cost between $50 and $150 depending on the device you choose and the source you buy from, but you may be able to score a used device for less than $50. DOCSIS 3.0 has more, cheaper optionsĭOCSIS 3.0 is likely to present cheaper options when shopping for a modem or modem-router combo. And considering the price difference and available options between the two, you'd be better off opting for DOCSIS 3.0 on that lower-tiered internet plan. If opting to use your own modem, you probably won't see much of a performance improvement, if any, by choosing a DOCSIS 3.1 device over a DOCSIS 3.0 one. Long-term use: DOCSIS 3.0 modems aren't exactly outdated yet, but it's safe to say 3.1 modems are the best option for long-term use.ĭOCSIS 3.1 supports faster speeds, if you need that. Security: While both modems have built-in security features, DOCSIS 3.1 modems are likely to offer the best online security, especially if you purchase a modem-router combo device.Speed: DOCSIS 3.1 cable modems support faster speeds than DOCSIS 3.0 modems, and are thus better suited for high speed plans, especially those with gig speeds or higher.Availability: You're likely to have more options, including used or refurbished devices, when shopping for a DOCSIS 3.0 modem.Price: DOCSIS 3.0 cable modems are generally cheaper than their 3.1 counterparts.Let's take a look at what those are to help you determine which type of device, DOCSIS 3.0 or DOCSIS 3.1, is best for your home. What's the difference between DOCSIS 3.0 and DOCSIS 3.1?ĭespite the simple one-tenth difference in versions, there are significant differences between DOCSIS 3.0 and 3.1, including performance, pricing and availability.
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