NETGEAR Gigabit Cable Modem (32×8) DOCSIS 3.1 | for XFINITY by Comcast, Cox. Compatible with Gig-Speed from Xfinity – CM1000-1AZNAS (Renewed)

February 22, 2020 - Comment

The NETGEAR CM1000 Ultra-High Speed Cable Modem provides a connection to high-speed cable Internet with speeds up to 1 Gbps. It is the industry’s first DOCSIS 3.1 CableLabs Certified cable modem, 10X faster than DOCSIS 3.0. Working with DOCSIS 3.0 and DOCSIS 3.1 cable Internet service providers, it is the ultra-high speed cable modem ready

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(as of April 19, 2020 9:01 am GMT+0000 - Details)

The NETGEAR CM1000 Ultra-High Speed Cable Modem provides a connection to high-speed cable Internet with speeds up to 1 Gbps. It is the industry’s first DOCSIS 3.1 CableLabs Certified cable modem, 10X faster than DOCSIS 3.0. Working with DOCSIS 3.0 and DOCSIS 3.1 cable Internet service providers, it is the ultra-high speed cable modem ready for today’s service plans and future upgrades. Enjoy ultra HD video streaming over IP with 2×2 OFDM or 32×8 channel bonding giving you the fastest download speeds-even during peak hours. Save up to $156 a year* by eliminating Internet service provider rental fees. Ideal for fastest Internet cable services like Comcast XFINITY Gigabit, Extreme and Performance data plans.

Comments

Anonymous says:

Faulty firmware or hardware limits this modem to 500Mpbs down/41Mbps up on 1Gig Xfinity internet Purchased this modem after upgrading my internet service through Xfinity to 1 gigabit internet which is rated to provide at the top end about 970 Mbps down. From the first bootup of the modem, I only received about 300Mbps down and about 30Mbps up. The highest I ever managed to get was 477.97Mbps down and 41.77Mbps up as recorded on July 4th at 1:44AM CST when traffic on the shared internet connection was lowest.I eventually managed to confirm that this is a known issue via the numerous Netgear forum support posts about slow internet on this modem model specifically (Affects all Netgear CM1000 series modems). There is currently no documented solution. I even tried manually changing the starting scan frequency in the modem settings, but this did not change the speeds being recorded.

Anonymous says:

So far so good No issues, brings me the advertised speed 🙂 Comcast couldn’t find my modem when adding (the serial # and/or MAC) it to my account to eventually send a restart signal from app or browser. But so far so good!

Anonymous says:

Extreme lag spikes. Extremely high ping latency every 30 seconds or so. My original set up was Motorola SB6141modem with Asus RT AC68R. I switched to this modem with eero router. While the signal is strong, the extremely high lag spikes makes it unusuable. I’m getting a new copy tomorrow so let’s see if this was was defective.Edit: I got a new copy and changed configuration on my router eero. It works fine. No more lag.

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