FWIW, 35 Mbps is the advertised upload speed for the gig tier. You'll never get a blue light as Comcast doesn't yet offer DOCSIS 3.1 for the upstream side.
Hello @JordanC1, thanks for reaching out to our Forums! The information EG provided was correct and I hope it was helpful. Just to confirm, are you pulling the 30mbps upload speeds on the new modem as well?
@JordanC1, we never heard back from you on here, so I will be locking this thread. Please send me a private message if you still need assistance with this upload speed concern. Please create a new Public post for any new issues or concerns, we're here to help. Thanks and we appreciate you being the best part of Comcast.
To send me a Private Message, please click my name “ComcastAmira” and click “send a message".