Netgear CM1150V Review – What You Need To Know Before Buying

Netgear is a well-known multinational company that produces a broad range of electronic devices. These devices range from cable modems to Wi-Fi extenders to wireless routers. All of these devices are designed to function efficiently in the residential setting. With this said, the brand is mostly known for its Nighthawk CM1150V Cable Modem.

This particular model comes with all the bells and whistles to guarantee maximum download speeds of 2000 Mbps. This is enough speed for streaming video games and movies, as well as downloading and uploading big data. Learn more about the CM1150V Cable Modem by reading this in-depth, honest review.

Netgear CM1150V Review

Netgear CM1150V review



One downside to the CM1150V modem is it lacks compatibility with some of the top Internet and cable service providers. This modem is specifically designed to support Comcast’s Xfinity Voice Services. If you are currently renting a Comcast cable modem, this will be the ideal replacement. When you replace your Comcast rental cable modem with the Netgear Nighthawk CM1150V, you will save a lot of money over time.

Everything needed to deliver consistency and efficiency is integrated into the Netgear CM1150V Cable Modem. And, the best part is, you will no longer be forced to pay Comcast a monthly rental fee.

The CM1150V Cable Modem is compatible with most of the top Wi-Fi router brands. If you have any questions about wireless router compatibility, you can contact Netgear via landline or email. A customer support representative will help you determine if your existing Wi-Fi router is compatible with the CM1150V.


Before you invest in the CM1150V, you need to understand how the installation process works. Fortunately, you do not need any special tools or skills for this installation. In the least complicated cases, the installation should not take longer than five minutes. The process is broken down into four easy steps.

  • First Step – In this step, you will need to locate your existing coax cable. Plug the cable into the CM1150V Modem.
  • Second Step – This step is extremely simple with the help of your desktop. If you want to go this route, you will need to connect your Ethernet cable to your desktop computer. The instructions will come up on the screen. You can skip the manual connection process by contacting Comcast customer support department. A representative will help you activate the cable modem over the phone.
  • Third Step – In this step, you will need to connect your existing Ethernet cable to your Wi-Fi router and the CM1150V Cable Modem.
  • Fourth Step – Last but not least, plug your telephone cable into the CM1150V Cable Modem.

Once you complete this four-step installation process, you will be able to start enjoying faster Internet speeds.


netgear nighthawk cm1150v

You’ll find that this is one of the most versatile modems on the market. It works flawlessly with Xfinity Internet services. Furthermore, it’ll work with your Voice service. Finally, you should know that it has a variety of ports to take advantage of. The 2 phone jacks will prove to be very helpful. You’ll also have 4 1 GB ports to take advantage of.

If you want to connect several computers directly to the modem, you can do that. With these ports, you’ll have the fastest and best connection possible. You won’t have to worry about losing your connection out of the blue.

With 4 Ethernet ports, you’ll have plenty of space for your devices.


The CM1150V Modem is designed to provide the user with the fastest speeds possible. It uses DOCSIS 3.1 which is 10 times faster than some of the alternatives. This technology can support speeds up to 10 Gbps and it is more energy-efficient than the others. Furthermore, this helps improve the stability and reliability of your Internet connection. Whether you’re going to be downloading movies, streaming 4k videos, or gaming online, you’ll be okay with this modem.

In addition to that, it works better for critical uploads such as security camera feeds and photos. If you want maximum peace of mind, this is the modem you’ll want to add to your network.

Saves You Money

With Xfinity, you’re likely going to pay for a rented modem. The rental fees are expensive and they’re sending your Internet bill higher and higher. Suffice to say, you’ll want to do everything you can to minimize your monthly expenses. One way to do that is by purchasing a modem and eliminating the monthly fees. With this modem, you’ll be able to do that. When you read any NETGEAR Nighthawk CM1150V review, you’ll see that people are happy that they were able to get rid of the monthly fee.

The modem is expensive but it’ll be worth it. In a year or so, it’ll pay for itself.

Best For Xfinity

Some devices try to universal. This means that they’ll work with Spectrum, Xfinity, and others. This can be problematic since they may not be great for all companies. This is why the CM1150V is designed specifically for Xfinity. If you’re a Comcast subscriber, this is the best modem for you. The NETGEAR CM1150V Cable Modem works flawlessly with Xfinity. So, you won’t have to worry much about drop connections and other similar problems.

Just remember that this modem won’t work with other Internet service providers. If you have Spectrum or AT&T, you’ll need to buy a different modem. It is only compatible with Xfinity Internet services.

Sleek Appearance

Another thing you’ll love about the Nighthawk CM1150V is the sleek appearance. It features a black finish that will look great in any room. Furthermore, it is slim so it doesn’t consume a lot of space. With this modem, you’ll be able to leave it sitting on your counter without any issues. It is compact and slim so it can be hidden away too. The only downside is the fact that you’ll need to have a separate router too. So, this modem will consume more space than a modem and router combo. Nevertheless, it looks great so you won’t have any issues with it.

Regardless of what your home’s interior design scheme looks like, this modem will work great with it.

Good For Voice

There is a good chance that you have an Internet, television, and voice services. Unfortunately, some modems are not good for voice services since they do not have any phone jacks. With the alternatives, you may not be able to use your telephone service. Stick with the NETGEAR Nighthawk CM1150V and you’ll be able to avoid this issue. All you have to do is buy and use this modem. It supports 2 phone lines making it a good choice for Xfinity Voice subscribers.

Furthermore, you’ll have plenty of 1 G Ethernet ports to take advantage of. You’ll also appreciate the fact that this modem offers all calling features. For instance, you will be able to benefit from caller ID, 3-way conference calling, call forwarding, and so much more.


With the NETGEAR CM1150V-100NAS Modem, you never know what is going to happen. This is one of the best modems on the planet but anything can go wrong. Therefore, you’ll need to take steps to protect yourself and your money. You don’t want to buy a new modem shortly after purchasing this one. So, you’ll want to make sure that the company is going to provide you with a fantastic warranty. This is what you’re going to get with the Nighthawk CM1150V. With this modem, you’re going to be covered for 1 year.

It comes with a 1-year limited warranty. This is good but a longer warranty would be better. If something goes wrong during the first year of ownership, you can have the company remedy the problem for you.


  • Works with all Wi-Fi routers
  • Speeds up to 2 Gbps
  • Has 2 telephone jacks
  • Easy to set up


  • Gets hot during operation

Overall Assessment

The NETGEAR CM1150V is a good option for some. If you’re okay with having a separate modem and router, you’ll love this modem. If you want to avoid consuming too much space, you may want to stick with a modem and router combo. Nevertheless, the CM1150V works flawlessly with Xfinity and it has two phone jacks. So, it’ll work well for your Internet connection and your voice service.

FAQs on Netgear Nighthawk CM1150v

netgear cm1150v cable modem

  • How Do I Set Up NETGEAR CM1150V?

Before you can take advantage of the Nighthawk CM1150V, you’ll need to install and activate it. First, you should connect the modem to your computer and the coaxial cable. Once you’ve done that, you need to call XFINITY. Be sure to have your account number and login information ready. Xfinity will activate the modem so you can begin using it immediately. Now that you’ve learned how to set up NETGEAR CM1150V, you’ll agree that it is easy and simple.

  • Is CM1150V A Router?

Consumers must understand that the CM1150CV is not a router. The modem can be connected to your laptop, telephone, and a wireless router. If you want Wi-Fi in your home, you will need to connect this device to a wireless modem. Otherwise, you’ll need to use the Ethernet port on the back of the modem.

Read also: Netgear Nighthawk C7100v Review.