Comcast is bringing its 305 Mbps service to more places in the Northeast. But in the Southwest it launched its second trial of new caps — one that gives users up to 600 GB per month on the fastest tiers and sticks slower users with 300 GB.


Comcast, the nation’s largest broadband provider, has launched the second of its two planned broadband cap trials in Tucson, Ariz. The new caps limit users of its premium tiers at 600 GB per month and economy tiers at 300 GB per month. A day after the trials came to light, Comcast announced that its super fast 305 Mbps service will be available in more cities and a spokesman confirmed that service is and will be uncapped.

The Extreme 305 tier will cost $299.95 per month and will be available in most major markets in its Northeast division. Concurrent with those speeds, users will also get Wi-Fi at 155 Mbps throughout the home, and Charlie Douglas, a Comcast spokesman, says future in-home routers for the Extreme 305 tier will eventually use the new gigabit 802.11ac standard. Current Wi-Fi gear from Comcast uses 802.11n.

But even as it pushes ahead with faster tiers, Comcast is still testing variations on its broadband cap that it first launched in 2008. At the time, the cap was a straight 250 GB per month, but as usage grew and more users hit the cap, Comcast raised the limit to 300 GB per month in May and said it would test out new variations of the cap.

The first of those appeared in Nashville, Tenn. last month with Comcast charging users $10 for a bucket of 50 GB over the 300 GB cap. That rate is fairly common among the ISPs who cap their service — AT&T and SuddenLink charge that much for users who exceed the cap. The Tucson cap is another variation of a common cap — users who subscribe to faster tiers will get higher caps. Here’s what it looks like:

  • Economy/Economy Plus, which costs $39.95 unbundled, has a cap of 300 GB
  • Internet Essentials, a $9.95 plan offered to select low-income homes, has a cap of 300 GB
  • Performance Starter, which costs $49.95 unbundled, had a cap of 300 GB
  • Performance, which costs $62.95 unbundled, has a cap of 300 GB
  • Blast, which costs $72.95 unbundled, has a cap of 350 GB
  • Extreme 50, which costs $114.95 unbundled, has a cap of 450 GB
  • Extreme 105, which costs $199.95 unbundled, has a cap of 600 GB

However, because of the pricing in place around the service and the cost of buying a 50 GB bucket, users don’t really get an advantage from switching to a higher tier in order to avoid a cap. In fact, the pricing really doesn’t offer any incentive to choose a higher-speed tier for those solely worried about a cap.

  1. Is this just for residential or are they to apply the tiers and caps to their business service as well?

  2. Glenn Fleishman Tuesday, September 18, 2012

    “users will also get Wi-Fi at 155 Mbps”: They’re including an 802.11n router or something? That’s not a guaranteed rate. If they’re saying “155 Mbps” (which is more accurately 150 Mbps), that’s the raw symbol rate in 2.4 GHz or 5 GHz with standard channels. Or maybe 20 to 50 Mbps of real throughput within a single room or two distant from the router.

    1. Oh Glenn, keeping me honest :) Let me tweak and thank you.

      1. Glenn Fleishman Tuesday, September 18, 2012

        If they have wide channel 5 GHz (raw 300 Mbps), they might be claiming 155 Mbps as the throughput, which is achievable if, in the immortal words of cellular industry expert Alan Reiter, one is making carnal love to the transmitter.

  3. Tucson, not Tuscon.

    1. Got it!

  4. Who needs this at homes (residential)? Business make sense.


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