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Forum Discussion
False and misleading advertising for CM600 Modem
To whom it may concern, My local Portland OR Comcast technicians have said they do not have the proper boot file to allow the CM600 to work with the 1 Gigabit service. They have also confirmed this wi...
CM600 is technicaly capable of PHY rates of 960 Mbps (actual TCP rates will be lower). This does not mean it is certified for Comcast/Xfinity gigabit Service.
comcast enables 24x8 modems (not just CM600 but any vendors 24x8 unit) for mostly 250/300 Mbps extreme service and 400 Mbps Extreme service in some areas.
for Gigabit service, customer needs to buy a DOCSIS 3.1 modem on Comcast.
where does NETGEAR or COMCAST say that CM600 will work with 1000 Mbps (or 1 Gbps or Gigabit) service?
See the CM600 info published on this page: http://www.netgear.com/home/products/networking/cable-modems-routers/CM600.aspx
"Certified for XFINITY® from Comcast"
"Up to 960 Mbps‡ download..."
"The CM600 cable modem supports up to 960Mbps and can be used with your provider's fastest cable internet speed tiers."
Based on this, any reasonable consumer would assume that this means they can achieve at least 960 Mbps with ones "fastest cable internet speed tier." (e.g., 1 Gigabit)
So I would expect at least something close to 960 Mbps on the 1 Gigabit plan. On previous generations of DOCSIS modems, like DOCSIS 1.0 and 2.0, you would always get atleast the maximum rated capacity the modem could provide, even though you may be on a higher capacity broadband plan. But with the CM600 I see no possible scenario where the modem could evn approach 960 Mbps. In fact, the fastest speed this Modem can support given Comcast's services is 250 Mbps. That should have been clearly indicated on the CM600 product page.
If you have a customer satisfaction department, I would very much appreciate a credit $129.99 credit towards a CM1000, since I can no longer return my CM600.