Depends where you are:
Central has Extreme 300 and Extreme 600 both have 20 up. Gigabit has 35 up
North East and West has Extreme 600 with 15 up and Gigabit with 35 up
😀You probably wont find it on the Comcast site, they don't like to advertize the upload, but good luck. You can search as well as I can.