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Don’t get slowed down while transferring large files.
PowerBoost is a patent-pending XFINITY network technology that enables you to experience faster connection speeds while you are downloading and uploading large files on the Internet.
Learn how to get the most from your XFINITY® Internet service.
XFINITY PowerBoost technology is compatible with DOCSIS 1.1 cable modems and above. PowerBoost is also compatible with XFINITY certified home networking devices and XFINITY Voice devices.
For customers leasing modems from us, we will swap your old modem for a newer one, free of charge. As a modem lease customer, you always have the option of exchanging your modem for a new or updated model. You can visit your local Comcast office or contact us to make arrangements for their modem.
Discover all the ways to get the most out of your XFINITY Internet service. Learn how to maximize your XFINITY internet experience!
Having trouble with XFINITY Internet speeds? Find out what impacts your XFINITY Internet connection speed from Comcast.
Learn how to test your internet access with an XFINITY Internet account from Comcast.
Our customer guaranteeis our promise to you.Learn more