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NETGEAR Cable Modem CM1000 - Compatible with All Cable Providers Including Xfinity by Comcast, Spectrum, Cox | for Cable Plans Up to 1 Gigabit | DOCSIS 3.1, Black (CM1000-1AZNAS)

  • Based on 8,265 reviews
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Availability: In Stock.
Fulfilled by Amazon

Arrives Wednesday, May 1
Order within 19 hours and 25 minutes
Available payment plans shown during checkout

Style: Up to 1 Gigabit


Features

  • Compatible with all major cable internet providers with internet speed up to 1Gbps. Currently certified with Spectrum and Cox (up to 1Gbps), Xfinity (up to 800Mbps). Not compatible with Verizon, AT&T, CenturyLink, DSL providers, DirecTV, DISH and any bundled voice service.
  • Save monthly rental fees: Model CM1000 replaces your cable modem saving you up to dollar 168/year in equipment rental fees.
  • Works with any Wi-Fi router: Connect any Wi-Fi router to this modem's Ethernet port to support all your wireless devices.
  • Ethernet connections: 1 Gigabit Ethernet port connects to your computer or separate Wi-Fi router.

Description

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.


Brand: ‎NETGEAR


Series: ‎C7000


Item model number: ‎CM1000-1AZNAS


Item Weight: ‎2.14 pounds


Product Dimensions: ‎8.8 x 5.4 x 5.9 inches


Item Dimensions LxWxH: ‎8.8 x 5.4 x 5.9 inches


Color: ‎Black


Voltage: ‎120240 Volts


Manufacturer: ‎Netgear Inc


Is Discontinued By Manufacturer: ‎No


Date First Available: ‎December 15, 2017


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Wednesday, May 1

Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

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Leasing options through Acima may also be available during checkout.

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Top Amazon Reviews


  • Basic cable modem
This is an easy plug and play install. I had high hopes that this would be heads and tails better than the regular rented modem from the cable company, but it isn’t. It works, but no better than anything else. It is reliable, but still needs a reboot there or four times a year. Good, but not amazing
Reviewed in the United States on January 17, 2023 by Dan O

  • I don’t know if I can fault the modem, or Spectrum for this...
So, I was looking at replacing my cable modem and I am one of those that if I’m going to replace something, I want the best that I can get. That’s when I came upon this, and based on the reviews and how powerful it claimed to be, it looked perfect! However, I noticed that it said it may not work with Spectrum but it also said it was backwards compatible. Before I dropped the amount of money this cost, I not only asked in the Amazon Questions section but I also asked Spectrum themselves just to see if it would work with their system/network. I got a yes from both sections, with other customers saying it’s backwards compatible and Spectrum saying it would work with their system after checking. So I ordered it, and I was expecting to see some sort of increased speed of performance.... and I did see a small increase but that was just a test over an app from my iPhone X. So I’m sure wired and from an actual computer would give me a better performance test. After a few days, I noticed that my WiFi performance started to take a dramatic drop and steaming quality was just poor. I did a reboot on both the router and modem, and also requested through Spectrum to reboot on their end as well just to see if that would fix it. The problem was, that the drops would be for a small amount of time and go right back up to normal performance. So I just assumed everyone is streaming, or just a random drop. Well, when I got sick a few days ago my internet just went completely down, and when you are sick in bed watching TV.... this is not the thing you want to happen. So I unplugged both router and modem, waited a few, made some Thera-Flu and plugged it back it. I was surprised it didn’t work, and that nothing was working. I ended up calling Spectrum to see if it was an issue on their end, if so just let it go and if not find out what’s going on. The associate I was speaking with then told me “Oh, the modem you are using isn’t compatible with our Network”. I told him I was told this when I called the last time. He then went on to tell me I should sign up for their new 200mbps plan because my old 200mbps wasn’t giving me the full speed, and if I did I can get their cable modem for free without paying any rental fee. Well, I was livid. I just spent $160 for this modem, and was told it would work. I said it was supposed to be backwards compatible, to which he replied with that while it is backwards compatible the DOCSIS 3.1 features are some how affecting their network and... something to that nature. Frankly, with the amount of frustration and low energy I have from being sick I tuned him out. He offered no solution other than buy another one, or upgrade to their new service for a modem. Every time I contacted Spectrum with my displeasure with what happened, and all the frustration I am going through... all they cared about was upgrading me from my current plan. So, this modem is most definitely NOT compatible with Spectrum. I can’t fault the modem, because I don’t know if I just got a bad one, or if I just have a terrible cable company that doesn’t know what’s what. I’ve been lied to not once from them about this modem, but multiple times arguing for a temporary rental modem with no fee for a month while I shop for a replacement. They said they can’t do that without upgrading me, which I called them out on. They then said they can’t waive any fee, and they have no way of doing that. I then called them on that, because I have been credited beforehand when a problem happened a year or two ago. So, long story short. I wouldn’t buy this unless it works with your provider, it may be backwards compatible but it’s best to get one that you know works for sure. Don’t trust your cable company. ... show more
Reviewed in the United States on April 11, 2018 by Nicholas

  • Fixed my random rebooting problem
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 white Cons: - 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. ... show more
Reviewed in the United States on September 7, 2018 by Boomer27

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