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If you’re accessing XFINITY Internet with an old modem, you’re not taking advantage of our new speed plans. Consider upgrading your modem.
If you want to enjoy our fastest Internet speeds, including Ultra and Extreme 50 service, then a DOCSIS 3.0 modem is required. You can lease a DOCSIS 3.0 modem from us, buy an approved modem at a retail outlet near you, or check to see if your existing modem is approved on our DOCSIS Devices list.
Be sure to check out which products and packages are available in your area.
Find information about XFINITY speed plans including DOCSIS 3.0. Get the details and support you need to make the change!
Find out if you are using an XFINITY-approved modem. View the entire list of approved modems.
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