NETGEARNighthawk Multi-Gig Cable Modem (CM2000) - Compatible with All Cable Providers Incl. Xfinity, Spectrum, Cox - for Cable Plans up to 2.5Gbps - DOCSIS 3.1
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NETGEARNighthawk Multi-Gig Cable Modem (CM2000) - Compatible with All Cable Providers Incl. Xfinity, Spectrum, Cox - for Cable Plans up to 2.5Gbps - DOCSIS 3.1

4.2/5
Product ID: 230591001
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Details

  • Brand
    NETGEAR
  • Internet service provider
    Xfinity Cox
  • Connectivity Technology
    Ethernet
  • Compatible Devices
    Router
  • Product Dimensions
    9.92"L x 4.7"W
2.5Gbps multi-gig speed
🌐DOCSIS 3.1 tech
🔌1 x 2.5 Gig Ethernet port

Description

⚡ Power your digital life with the Nighthawk CM2000 — where speed meets freedom!

  • BLAZING FAST MULTI GIG SPEEDS - Unlock ultra-high 2.5Gbps cable internet for seamless streaming, gaming, and remote work.
  • SAVE BIG ON EQUIPMENT RENTALS - Cut up to $168/year by owning your modem and take full control of your internet setup.
  • NEXT GEN DOCSIS 3 1 TECHNOLOGY - Future-proof your connection with the latest standard delivering 10x faster speeds than DOCSIS 3.0.
  • PLUG PLAY WITH ANY WI FI ROUTER - Easily connect your favorite router to maximize your home network’s wireless performance.
  • UNIVERSAL CABLE PROVIDER COMPATIBILITY - Works effortlessly with Xfinity, Spectrum, Cox, and all major US cable providers—no more rental fees!

The NETGEAR Nighthawk CM2000 is a DOCSIS 3.1 cable modem designed for US cable internet plans up to 2.5Gbps. Compatible with major providers like Xfinity, Spectrum, and Cox, it features a 2.5 Gig Ethernet port for true multi-gig speeds and supports any WiFi router. This modem eliminates rental fees, saving users up to $168 annually, and is engineered to future-proof your home network with cutting-edge technology.

Specifications

BrandNETGEAR
SeriesCM2000-100NAS
Item model numberCM2000
Item Weight1.02 pounds
Product Dimensions9.9 x 8.8 x 4.7 inches
Item Dimensions LxWxH9.9 x 8.8 x 4.7 inches
Colorblack
ManufacturerNetgear
ASINB08GWNZ9VF
Country of OriginVietnam
Date First AvailableSeptember 22, 2020

Have a Question? See What Others Asked

Why does it say 4x ethernet ports in your description where there is only one
With the cm1200 and xfinity residential cable internet, can you use one wan port to your computer for a direct connection and on wan port to router?
So, up to 2gbit modem with - drumroll please - 1gbit network ports. not 2.5gbit. which engineer was responsible for this fail?
Can I replace my existing cable modem from Spectrum with this, on my own/ without a service call or having to call customer service?

Reviews

4.2

All from verified purchases

B**U

Disappointed

I own an Arris TG862G modem for many years now. At the time, this was the approved model for VIOP phone lines. At $200 it has paid for itself many times over. Due to retirement living on a fix income, cost cuts were needed so I dropped the Triple Play and now subscribed to internet (Blast - 800Mbps). Recently I keep getting email from Xfinity says my modem (DOCSIS 3.0) is outdated and keeping me from getting my maximum download speeds promised by my plan. After so many of these notices, I decided to take the plunge and get a new DOCSIS 3.1 cable modem. I decided on the Netgear model CM3000-1AZNAS.Installation was easy. I already had downloaded the Xfinity App on my phone. It has a place to activate new equipment and recommended because you lose your internet. The switch over took about 10-15 minutes. I had internet in no time. The problem lay in that Speed Tests didn't reveal any, and I mean any gain in speed. So not wanting to admit I just spent $300 for nothing, I contact them with chat. I explained that I just installed a new modem and no change. Perhaps my modem (account) needs provisioned to accommodate the new modem. He tells me he can get me a higher speed package for less than I paying. So from 800 to 1100, when I wasn't even getting the 800. But less money is better so I agreed, thinking this would surely provision my account to the 1100Mbsp. Well after a day, still no change. I don't think it is this modem's fault, but Comcast's fault. I will try CS one more time. The moral of the story, "If it ain't broke, Don't try to fix it!"

M**Z

Quick and easy setup!

Why did you pick this product vs others?:Does as advertised! At almost 2 Gbps, I'm able to get the close to the maximum speed from my Xfinity Comcast provider.Configuration took less time than I expected! However, there's a small gotcha: do not use the Netgear Configuration app and rather, use the router web interface. It's quicker and less prone to errors.Once the modem was configured, all I had to do was activate it with my Xfinity app and I was done!

S**R

FAST, STABLE, internet.

I had an aging CM 700 from Netgear. It was very good, but the recent storms had made it somewhat unreliable I replace With the new CM 3000 it is fantastic. It can push and pull beyond the limitations of my Internet service provider. It pairs exceptionally well with a Netgear nighthawk RS 700 S Wi-Fi seven router. Blazing fast Wi-Fi for many devices. I run both devices on an uninterruptible power supply. We may lose electricity for aI run both devices on an uninterruptible power supply. We may lose electricity for a while, but the Internet stays up.

L**E

Netgear modem automatic firmware crashing modem with NO support help!

Do NOT purchase this modem! Cuts off and drops connection all the time. Cox Cable even came out and replaced the wiring from the street to the house which cost me $200. It did not solve the problem!!I have read a lot that the latest firmware upgrade (v6) is a problem. Lots of issues in the modem errors logs. NO HELP from Netgear!! Many error logs everyday. Wasted my money with this on Amazon. I am going to a local retailer and purchase another brand as I also work remotely part time and I can not have the internet cutting out during the day. I used to be a fan of Netgear, but their support has been zero!!

D**

Nice product

Easy to install once the cable company switched on their side. Have Cox cable

B**P

I purchased the CM2000 for one reason only (Update included)

The ISP (which will remain nameless), that I rented my Internet gateway from did not adhere to sound security protocol. I myself, as a cybersecurity professional with more than 10 years experience, am naturally paranoid about weak passwords. This particular ISP limits the variety of keyboard characters allowed for cable modem management passwords, making them easier to crack! In fact, on a few occasions, my passwords were changed without my consent. From that point forward I decided to buy my own cable modem that would allow me to choose the access passwords without character limitations. Now that it is up and running I am beyond happy. My desired security posture is now a reality, and my internet finally achieves 1gb downloads, better than the ISP's cable modem that was supposed to do the same thing. My network is tight security wise, and this Netgear Nighthawk CM2000 helped me realize that. Finally, I had to overcome one technical issue that I thought was generated by the CM2000. After registering my cable modem with Netgear, called tech support. Best dang support I've dealt with in a long time! From one geek to another, we were able to speak the same tech-ease and I learned more about my new CM2000 and the DOCSIS standard than I knew before the call. Found out that the CM2000 was not the culprit, so I called the ISP to handle it, problem resolved. The one setback for Netgear that I thought was serious enough to mention is that as far as firmware upgrades there seems to be tit-for-tat between Netgear and this particular ISP. Either group seems to point the finger at the other when it comes to whose responsibility it is to push out firmware upgrades. I hope, for customers' sake, that these two outfits work out their differences on this. Heavens forbid that there is a security vulnerability that requires a firmware upgrade! I shiver to think about that outcome. Other than that, I am very happy with my purchase.UPDATE (6/2025)It's been a few years since I pinned the above review of the CM2000. Now it's time for an upgrade from the CM2000 to the CM3000. This is what I've learned: The CM2000 performed honorably for the most part. However over time the status LED lights began to shut off one after the other. Today the only one that is still operational is the Online LED. I understand that there are others who've experienced the same malfunctioning LED issues as well. Other than that I am pleased with its performance, so much so that I am considering purchasing it's more mature cousin, the CM3000. The one BIG issue I have with this consumer-class cable modem is what seems to be the unwillingness of its manufacturer Netgear & my cable service provider Xfinity/Comcast to agree on WHO WILL PROVIDE THE FIRMWARE UPGRADES! This was the 800lb gorilla that otherwise would make the experience with this product a 9/10! Just as with the CM2000, Netgear advises users to access their cable service provider for the firmware upgrade for the CM3000. With both devices Xfinity does not have documentation on its website which gives instructions on upgrading the Nighthawk CM model firmware: https://www.xfinity.com/search?q=Netgear%20cm2000 . Similarly, Netgear support encourages users to contact their ISP for upgrades: https://kb.netgear.com/000036375/What-is-the-latest-firmware-version-of-my-NETGEAR-cable-modem-or-modem-router . Either way, if there is a need for a future firmware update anyone purchasing this item will risk ending up with an expensive paper weight if both the manufacturer and the ISP refuse to come together and resolve the issue. For this reason I am exploring other cable modem options, ones where firmware updates are available for ISP-approved devices.

Common Questions

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Ayesha M.

The product exactly matches the description. Very satisfied with my purchase.

5 days ago

Fatima A.

Best international shipping I've ever tried. Worth every penny!

3 days ago

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Anita G.

Good experience, but the tracking updates could be better.

2 months ago

Ali H.

Fast shipping and excellent packaging. The Leatherman tool feels very premium and sturdy.

1 day ago

Netgearnighthawk Multi Gig Cable Modem Cm2000 Compatible With All Cable | Desertcart KSA