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Your cart is empty.The Net gear CM1000-1AZNAS ultra-high speed Cable Modem provides a connection to high-speed cable Internet with speeds up to 6 Gbps. It is the industry's first DOCSIS 3.1 cable labs Certified cable modem, 10x faster than DOCSIS 3.0. Working with both 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 2x2 OFDM or 32x8 channel bonding giving you faster download speeds—even during peak hours. Save up to 120 a year by eliminating Internet service provider rental fees. Ideal for an Internet service plan 300Mbps and above. Certified with Comcast XFINITY, Cox and Mediacom. Please check your cable Internet service provider web site for data speed tier compatibility and to ensure it provides DOCSIS 3.1 service, otherwise this modem will only work as a DOCSIS 3.0 modem - Microsoft Windows 7, 8, 10, Vista, XP, 2000, Mac OS, or other operating systems running a TCP/IP network - Microsoft Internet Explorer 5.0, Firefox 2.0Safari 1.4, or Google Chrome 11.0 browsers or higher. Fast web based self - activation for XFINITY customers to get you connected without a service call.
R. P. Boylan
Reviewed in the United States on May 11, 2023
We were talked out of our original modem by the Comcast tech team when they improved our line speed and the old modem couldn't keep up. The told us that their modem was guaranteed to meet specs, but it came with a monthly charge.Their modem comes with built in WiFi, which I am opposed to since it negates my home network's firewall, which works very nicely with my WiFi router, so back to the Xfinity store their modem went.This one plays nicely with our network and does not cause a problem with the WiFi router or our firewall.Plus the price was good and with the reduction in the monthly charge, it is already paid for itself.
DC
Reviewed in the United States on March 13, 2023
I found myself in a situation with my Internet provider Xfinity where I was in a two-year contract, but with their free modem for only one year; the following year was going to cost me $15 a month or $180 a year!. I went to the Xfinity app, it has many models of modems, routers and combo modem routers to choose from that work with Xfinity and your internet speed.That’s how I ended up finding this particular modem and bought a router separately.; TP-Link AX1800 wifi 6 router Dual Band Wireless internet router, Gigabit router, USB port.Both items were easy to install, it works just fine and I’m saving $180 Annually.I also don't like paying full retail so I looked for other Amazon sellers selling the same items but used, these could have been returned items, these are checked to make sure they work fine and still have the Amazon return policy so you can't really lose on this.Happy modem/router hunting, hoping this review helps you save a few $$$$$ and keeps money in your pocket instead of adding to Xfinity's bottom line.
GrumpyandDopey
Reviewed in the United States on September 7, 2018
First, I’ve been in networking for 25 years most recently running a group doing L2/L3 SDN development. I just moved on to another company and got rid of the Comcast Business service and went with their GB offering. I was using an Arris Docsis 3.0 cable modem into an Orbi network with 6 nodes covering ~6000 square feet. I have over 30 devices connected to the network and do everything from video conferencing, Roku, AppleTV, Ring, Nest, PS4 and VoIP just to name some of the services I run. I also live in a canyon and I don’t have mobile phone service, so my mobile runs over my network, I’m definitely not suffering from the cobbler children scenario and I’m very picky when it comes to my network.When I got Comcast GB, I was between their business service and the new service so I used their Comcasts cable modem for a week, made by Netgear. It ran hot, provide slow service (using Speedtest and doing my own TraceRTs) and I turned their wireless service off to help stabilize the box, however, the box rebooted constantly. To replace it I originally went with the Arris 8200. Over the course of two months the network would go down randomly multiple times a week and usually with my son yelling “the network is down again” during Fortnite. I looked at the logs, nothing. Turned features on the Orbi off after reading their forums, didn’t work (not to blame but poor advice). Hard wired Roku, AppleTV, again reading forums, didn’t work. I had Comcast specialists come out check the wiring, look at the logs on their end, nothing. I finally concluded mostly because there was nothing else to try that it was the cable modem so I purchased the Netgear CM1000.Installation: I followed the poor instructions included with the modem and nothing, it showed connected but hardwired I wasn’t able to get anywhere. On my third try I decided to call Comcast support and have them install it. Gave them the mac address and my network dropped (I knew this would happen since again my network is my only source to the outside communications world). I noticed this time that the lighting sequence was different so I gave it some time, hardwired into the modem and all was well. I connected and booted the Orbi and the network has been up and stable since then, no random reboots. I run daily Speedtests and have noticed ~10% in overall performance from both wired and wireless devices over the Arris, however YMMV.Pros:- Works and I haven’t had the random reboots- By my measurements ~10% faster- Like the black over the Arris 8200 whiteCons:- It does run a bit hot but nothing I’m worried about- Didn’t set up out of the box with Netgear saying in their documentation that if you have problems call the cable provider, poor customer service. Definitely the Arris was easier to set up.
Brenin
Reviewed in the United States on September 23, 2018
I purchased this to replace an aging Motorola/Arris SB6141 after I moved to the Comcast Xfinity Gigabit Internet tier. After setting it up and a quick call to Comcast/Xfinity to have it added to my account and an activation signal sent, I was good to go. Works as intended and I am getting the max download/upload speeds advertised so I couldn't be happier, not to mention no rental fee. Word of caution if you are an existing Comcast/Xfinity customer replacing your modem, don't bother with the instructions that mention to visit xfinity.com/activate to activate your equipment, it will most likely fail at the end right out of the box. To save yourself time and aggravation, do the following:1. Remove your old modem from the coaxial and attach the new CM1000 modem.2. Power it on and wait for the first 4 LED lights to go solid green (there are 5, but you won't see the fifth until you attach it to a NIC or home router)3. Attach the included Cat 5E cable to the back and plug it into a laptop or nearby PC4. Call 1-800-934-6489, go through the prompts until it connects you to the Comcast/Xfinity activation support agent.5. Say you would like to replace the modem on your account, answer the account verification questions, and have your modem MAC address handy.6. Provide the MAC address and wait for them to add it to your account and send the activation signal. They may ask you which version of the CM1000 you have, in which case answer the 1AZNAS. Once they confirm and send the activation signal, you will see the modem recycle itself a couple times before settling back on four solid green LED lights.7. The support agent should have you test the connectivity after that and if all went well, you should be up and running.8. (If you have a home router) Turn the router off/unplug it, and attach the Cat 5E/6 cable from the cable modem. Power cycle the cable modem one more time and wait for it to come fully back online with the four solid green lights. Turn on/plug the router power back in and let it fully come online as well. At this point, you will see the 5th green LED light on the modem indicating NIC connectivity and you should be good to go.NOTE: Once they properly send the correct bootfile/configuration to your modem the first time, any subsequent activations/provisioning (for instance if you move or swap modems then swap back) seem to work fine off of xfinity.com/activate. It is that out of the box initial configuration that fails with the automated setup.
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