Come here often? Make XFINITY.com your homepage » close

close

Your XFINITY Connect session has timed out due to inactivity. Click here to go back close

Comcast High-Speed Internet with PowerBoost™

Make Fast Even Faster... for Uploads too!

You may already know that Comcast's innovative PowerBoost™ technology makes downloads of files like music, videos, software and games go even faster with lightning-quick speeds up to 12 Mbps.  PowerBoost also helps you upload files like photos and videos to your favorite media-sharing sites in a flash, with speeds up to 5 times faster than before!

PowerBoost™ — Free with Comcast High-Speed Internet
  • Nothing to download or install
  • Breeze through large downloads in an instant with speeds up to 12Mbps
  • Get a lot more done in less time by uploading photos and videos up to 5 times faster than before!

You don't have to download or install anything to experience the blistering speed of PowerBoost — it's already accelerating download speeds and is boosting your upload speeds too! Not sure if you're getting PowerBoost? Simply reset your modem by unplugging it for 60 seconds, then plug it back in. If you're a Comcast Digital Voice Subscriber, press the pin-reset button on the back of your modem and give the modem a few minutes to reboot. Discover more helpful tips

PowerBoost helps speed up downloads and uploads
in the following Comcast Features:

Need even more speed? Check out all of the innovative options available from Comcast.

PowerBoost and other services and features are not available in all areas. Compatible cable equipment, including modem, is required to receive PowerBoost enhancement and other stated speeds. Comcast High-Speed Internet with PowerBoost only available with Comcast's 6.0/8.0 speed plans. Comcast 6Mbps High-Speed Internet with PowerBoost provides a burst of download and upload speed above the customer's provisioned download and upload speeds for the first 10 MB and 5 MB of a file respectively. It then reverts to your provisioned speed for the remainder of the download or upload. Features and services are subject to change. Download speed comparison chart compares Comcast 6.0Mbps with PowerBoost to 1.5Mbps DSL and 3.0Mbps DSL download speeds. Upload speed comparison chart compares Comcast 384Kbps with PowerBoost to 128Kbps DSL and 384Kbps DSL upload speeds. Many factors affect speeds. Actual speeds may vary.