What's the tangible difference to the user of Docsys 3.0 vs Docsys 3.1

Feb 08, 2022 Last reply: 4 years ago 1 Replies
A
*What's the tangible difference to the user of Docsys 3.0 vs Docsys 3.1?*

The only disadvantage, that I can think of, to owning your own modem is that it's most likely locked to Docsys 3.whatever (at the time you bought it).



The last modem I bought was Docsys 3.0 years ago (still in use by the kids). *~$120, Arris SB6141 cable modem (Costco item #774054)*



Nowadays Costco sells these two which are Docsys 3.1 modems (not Docsys 3.0) *NETGEAR Nighthawk CM1100 DOCSIS 3.1 Cable Modem* ~$150, Item 1290299, Model CM1100

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*Netgear Nighthawk AC1900 Dual-Band Cable Modem Router* ~$180, Item 1136869, Model C6900
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What's the tangible difference between Docsys 3.0 & 3.1 to the avg user?


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J

It's spelled DOCSIS:

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The main difference is the maximum speed. You will need a DOCSIS 3.1 modem to obtain over 1 Gigabit/sec data rate. Some DOCSIS 3.1 modems have two ethernet ports that can deliver 1 Gigabit/sec each. Others have a single 2.5 Gigabit/sec ethernet port. Still others have one of each. This might help if you're comparing features: "DOCSIS 3.1 Modem vs 3.0 Speeds and Testing"

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Note that a DOCSIS 3.1 modem is downward compatible to DOCSIS 3.0 speeds. If you want to future proof your modem purchase, you can buy a DOCSIS 3.1 modem and use it at DOCSIS 3.0 speeds until you decide you need speeds over 1 Gigabit/sec.

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