Top 15+ Best Comcast Xfinity Compatible Modems (Approved Modem List)

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This is the age of the internet and as we all know that it is one of the essential things in our lives. We need the help of the internet to do most of our work and also to stay connected with it. It makes it very much a necessity to have a high-speed internet connection at not only your workplace but also your home with a durable modem that will work efficiently. What many people do not realize is that having a good internet service provider is not the last step to getting high-speed internet. You also need a great modem that will be able to help you connect to it. 

The modem is actually the device that helps you connect to the phone jack that will be on your wall. It helps in translating the internet signals into something that the electronic devices can understand. It is not the router, this is a common mistake that many people make, which is another device that gets connected to the modem using an Ethernet cable allowing the internet to be broadcasted around your house. 

What most internet service provider does is that they will install a modem at your place and will chat you monthly fees for it. You may also choose to get the router inclusive in that package or buy it separately. What many people do not realize is that buying a modem for yourself is as beneficial as buying your own router. It will actually cost you less money if you do that, math. Your rental fee for less than a year will cover the cost of a standard modem. Of course, if you want something that is more powerful, you would have to pay more. 

If you are still unsure about what is actually a good modem and what to purchase, you should go to this article to get an idea about what exactly to look for; just selecting your internet provider and the speed is not enough. You should keep all this in your mind so that you get the most out of what you are paying for. Most of us like to be surrounded by high-speed internet connection, and the rental models might not always be as great and powerful as the ones you will get in the market. 

Therefore, to help you make the best choice, a list of 15 best Comcast Xfinity Compatible modems has been made. These are some of the most powerful, durable, functional as well as affordable modems available in the market. 

Top 15 best Comcast Xfinity Compatible Modems in 2020

Preview Product Price
ARRIS SURFboard SB6190 DOCSIS 3.0 Cable Modem, Approved for Cox, Spectrum, Xfinity & others (White) ARRIS SURFboard SB6190 DOCSIS 3.0 Cable Modem, Approved for Cox, Spectrum, Xfinity & others (White) $45.99
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) NETGEAR Cable Modem CM1000 - Compatible with All Cable Providers Including Xfinity by Comcast,... $169.99
ARRIS SURFboard SVG2482AC DOCSIS 3.0 Cable Modem & AC1750 dual-band Wi-Fi Router with Voice, Certified for Xfinity Internet & Voice (white) ARRIS SURFboard SVG2482AC DOCSIS 3.0 Cable Modem & AC1750 dual-band Wi-Fi Router with Voice,... $189.00
NETGEAR CM700 (32x8) DOCSIS 3.0 Gigabit Cable Modem. Max download speeds of 1.4Gbps. Certified for XFINITY by Comcast, Time Warner Cable, Charter & more (CM700) NETGEAR CM700 (32x8) DOCSIS 3.0 Gigabit Cable Modem. Max download speeds of 1.4Gbps. Certified for... $54.99
MOTOROLA 16x4 Cable Modem, Model MB7420, 686 Mbps DOCSIS 3.0, Certified by Comcast XFINITY, Charter Spectrum, Time Warner Cable, Cox, BrightHouse, and More MOTOROLA 16x4 Cable Modem, Model MB7420, 686 Mbps DOCSIS 3.0, Certified by Comcast XFINITY, Charter... $59.00
D-Link DOCSIS 3.0 Cable Modem (DCM-301) Compatible with Comcast Xfinity, Time Warner Cable, Charter, Cox, Cablevision, and More D-Link DOCSIS 3.0 Cable Modem (DCM-301) Compatible with Comcast Xfinity, Time Warner Cable, Charter,... $99.99
NETGEAR Nighthawk Cable Modem WiFi Router Combo C7000-Compatible with All Cable Providers Including Xfinity by Comcast, Spectrum, Cox | For Cable Plans Up to 400 Mbps | AC1900 WiFi Speed | DOCSIS 3.0 NETGEAR Nighthawk Cable Modem WiFi Router Combo C7000-Compatible with All Cable Providers Including... $189.99
Linksys High Speed DOCSIS 3.0 24x8 AC1900 Cable Modem Router, Certified for Xfinity by Comcast and Spectrum by Charter (CG7500) Linksys High Speed DOCSIS 3.0 24x8 AC1900 Cable Modem Router, Certified for Xfinity by Comcast and... $89.95
Motorola MB8600 DOCSIS 3.1 Cable Modem, 6 Gbps Max Speed. Approved for Comcast Xfinity Gigabit, Cox Gigablast, and More, Black Motorola MB8600 DOCSIS 3.1 Cable Modem, 6 Gbps Max Speed. Approved for Comcast Xfinity Gigabit, Cox... $229.99
TP-Link TP-Link $59.99
TP-Link Archer CR1900 24x8 DOCSIS3.0 AC1900 Wireless Wi-Fi Cable Modem Router | Up to 1900Mbps Wi-Fi Speeds | Max Download Speeds Up to 1000Mbps | Certified for Comcast XFINITY, Spectrum, and more TP-Link Archer CR1900 24x8 DOCSIS3.0 AC1900 Wireless Wi-Fi Cable Modem Router | Up to 1900Mbps Wi-Fi...
SMC Networks D3CM1604 Modem (DOCSIS 3.0, 16x4 Channel Bonding) Approved for Time Warner Cable, Charter, Cox, Spectrum SMC Networks D3CM1604 Modem (DOCSIS 3.0, 16x4 Channel Bonding) Approved for Time Warner Cable,... $39.50
Asus CM-16 Docsis 3.0 Cablelabs-Certified 16x4 686 Mbps Cable Modem Certified by Comcast Xfinity, Spectrum and Other Service Providers,Black Asus CM-16 Docsis 3.0 Cablelabs-Certified 16x4 686 Mbps Cable Modem Certified by Comcast Xfinity,... $170.00
Cisco Cable Modem DPC3008, Compatible with Xfinity/Comcast, Spectrum, ATT, TWC, Cox, and Most Internet Providers, DOCSIS 3.0 Modem Cisco Cable Modem DPC3008, Compatible with Xfinity/Comcast, Spectrum, ATT, TWC, Cox, and Most... $15.77

1. Arris SB6190 SURFboard Cable Modem 

Get ready to feel the power of the Arris SURFboard SB6190 Cable Modem, which is the latest cable modem from Arris and is a worthy successor of the SB6121, SB6141, and SB189. If you have used any of its predecessors, then you would know exactly what the company can bring to the table. This is an absolute beast, and the price is also affordable. If you want to experience the speeds comparable to lightening, then this the one of going for because Arris SURFboard SB6190 Cable Modem has harnessed the raw power of DOCSIS 3 0 technology, which has been used to bond up not only eight upstream channels but also thirty-two downstream channels. This is incredible because if you have subscribed for high-speed internet service from the cable operators, then you can expect up to 1.4 Gbps download speeds and 131 upload speeds. If you are a gamer, then this helps you greatly. The HD game quality will be enjoyed by you without any issues at all. Everyone in the house can do their work in peace as nobody’s work will hamper the other as at that kind of speed, you can happily stream from multiple devices at the same time without the problem of buffering.

Pros

  • It comes with an amazing downstream speed test service 
  • It comes with bright LED lights along with its front panel which makes it easy for troubleshooting
  • If any problem occurs with your product, you can reach their customer support via your phone, text, or even the official website, anytime and any day. 
  • It can be used with most cable operator systems
  • It delivers on speed

Cons

  • Many users have complained about it being prone latency 
  • There are similar products that are lighter than the Arris SURFboard SB6190 Cable Modem. 

2. NETGEAR CM1000

The Net gear CM1000 comes with the same stylish design that you generally associated with the high-end networking gear that Netgear has come up with over the years, of course, with few upgradations. Just by looking at the Netgear CM 1000, you would get the feeling that it is very powerful as the edges have been made you look sharp, giving it quite the high-performance, durable feel. You will also find hidden green LED lights on the shiny aluminum indicator panel located on the front of the modem. Not only does this help in keeping a check on the functioning status, but it also gives it an edgy look. This powerful beast’s power is skin deep, and it the perfect companion to an internet service plan, which is 300 Mbps or even higher. So if you are looking for a modem that can work smoothly with the high-speed internet service that you will subscribe to without any problem, then it is a brilliant option. It also comes with the lastest DOCSIS 3.1 cable, which is ten times faster than its predecessor, DOCSIS 3. 0. You can also connect virtually any wifi router to the Netgear CM 1000’s Ethernet port. With it, you can also save money as you would not have to pay your internet service provider monthly fees for equipment anymore.

Pros

  • Comes with DOCSIS 3.1
  • Has a brilliant design that looks very powerful and edgy
  • Made with durable material
  • It is very easy to install, and the user manual comes with step by step easy to follow instructions
  • It will be the perfect investment for the foreseeable future

Cons

  • It will only benefit those who can expect very high-speed internet service
  • It is quite expensive compared to its counterparts 

3. ARRIS Surfboard SVG2482AC 

The ARRIS Surfboard SVG2482AC is another gem from the company which has been delivering amazing modems every single time they come up with a new one. If you choose a bandwidth service that allows for high speeds, which are up to 1 Gbps than ARRIS Surfboard SVG2482AC will be the perfect companion as it will not fail to give you the best performance. What is great about this modem is that you can connect up to two telephone lines to it and also add an extra battery for as a backup option, which can be bought separately. This makes it a great option, especially for people who work from their homes. This maximizes the power and range of this modem. This modem will also work efficiently for small businesses and is a great investment as the price is just right. Another great feature of the Arris SVG2482AC is that it comes with a 24×8 bonded channel environment. This means that it will provide 24 channels for you to download data while keeping 4 open, at the same time, for uploading. If you are a person whose work highly depends upon the internet speed and you have to transfer large amounts of data every day, the Arris SVG2482AC is going to help you greatly. You may also choose this modem because it is also a 3-in-1 deal as it also comes with an in-built router saving to extra money as well as a telephony modem. 

Pros

  • It saves you a lot of money as it is a 3-in-1 device. For the price, just a modem, you are also getting a telephony modem as well as a router. 
  • It is very easy to set-up. You will find plenty of videos online to show you how to do it. 
  • It comes with a two-year manufacturer’s warranty, which is great compared to most other companies which only give one year. 
  • Brilliant design and use of high-quality, durable material to make the body.
  • It has a 24×8 bonded channel environment. 

Cons

  • The battery backup capacity for this device is sold separately, so you have to pay extra money for it. 
  • The instructions are not clear to some people who are installing a modem without any prior knowledge. 

4. Netgear CM700 Cable Modem 

We have already featured another modem of this series in this list; the reason for a separate place for the Netgear CM700 as it is an equally good modem that you can purchase for your house or if you have a small business. Netgear CM 700 has a brilliant design that is is what makes models of Netgear stand out from the rest. Most modern that you will find has a horizontal design which makes it bulkier and it takes a lot of space. The Netgear CM 700 is a vertical modem, and you can easily store it any place you want, this also gives it a sleek look. It is black in color, and it is made up of durable plastic. You will also find that there is a mesh pattern along the sides. This not only adds to the aesthetic of design but also works as a nice way to cool down the modem. The modem is brilliant as its powerful design is perfect as even if you judge this modem by its cover, you will not be disappointed. It is perfect for people who want high-speed internet connection as it can be connected to a speed of up to 500mbps. You can expect the speech to go up to 175 MBPS even when you are download files; when the modem is connected to Comcast Xfinity with a good internet speed pack. Not only can you connect it to Xfinity from Comcast but most other internet service providers like Time Warner Cable, Brighthouse Networks, Spectrum, etc. The Netgear CM 700 not only comes with a gigabyte Ethernet port, which can be used to connect the Wi-Fi router on your PC but also a coaxial port. 

Pros

  • It is made up of highly durable material. 
  • The design is brilliant and looks posh.
  • It supports high-speed internet connection
  • It can be easily installed. 
  • It comes with a high-speed cable modem, DOCSIS 3.0. 

Cons

  • It is not compatible with many famous service providers limiting the options. 
  • More versatile models are available for the same price. 

5. Motorola MB7420 Cable Modem 

Available in two colors- black as well as white, the Motorola MB7420 Cable Modem is an amazing option available for anyone who wants to purchase a modem for their house. If you have internet cable speed is up to 300 Mbps, then this modem will work like magic for you. If you have higher than that, then you should go for something powerful. 300 Mbps is a great speed for any household that just needs the internet for casual daily connectivity. It is certified to be able to use for Comcast Xfinity, so you can purchase it without any doubts. You would have to purchase a separate router with it as it is just a cable modem, and it also does not have a telephone jack. It has a 16 channel bonding, which is good enough for downloading with speeds up to 686 Mbps while the upload speed is up to 123 Mbps. It is billed to be compatible with most routers, which include mesh router as well as gaming routers. If you do not have a router, you can use an Ethernet port of the Motorola MB7420 to plug in your PC, HDTV, or even video game station. It uses the DOCSIS 3.0 protocol, and the body of the modem has been made with durable material, which allows for proper cooling and makes sure that the device will last you for a long time. 

Pros

  • Uses DOCSIS 3.0 protocol
  • Has a durable body and a sleek design
  • Affordable rates
  • Available in two colors
  • Comes with a 2-year guarantee from the company

Cons

  • If you suddenly choose an internet speed pack of more than 300 Mbps, you would have to change your modem. So, it is not great for long term plans. 
  • There are no telephone ports. 

6. D-LinkDCM-301 DOCSIS 3.0 Cable Modem 

If you are looking for something which is not as costly as some of the products mentioned on the list, then the D-LINK is the modem for you as it is perfect for homes as well as small companies. It is a cable modem, but it does not come with an inbuilt router, which is justified for that price. It also has the DOCSIS 3.0 protocol, and you will be able to stream movies as well as play HD quality video games with ease. On a panel, you will find an Ethernet port as well as a coaxial cable. You will also notice a port for the power supply cable as well as a button to operate it. Other than this, you will also notice that there is an LED light on a front panel of the modem, which makes it easier to keep track of the performance of the modem. It comes with a channel bonding 8 x 4, which allows for a maximum download speed of 343 MBPS as well as a maximum upload speed of 150 Mbps. This may seem a little dull when you compare it to the other models on this list what you should keep in mind that the price is significantly lower. 

Pros

  • Perfect for people who are on a budget
  • Is made up of durable material
  • It supports DOCSIS 3.0
  • It is compatible with many internet service provider order than Comcast x infinity
  • It can be set up by anybody, even if they have no prior experience setting up a modem. 

Cons

  • The upload speed is not very high
  • The performance is quite average

7. NETGEAR Nighthawk WiFi Cable Modem 

The Netgear nighthawk C700 is one of the best modern featured on this list; if you purchase this, you will not have to buy a separate router as it is one of the best 2 in 1 deal you will get. On the box, you will see that you can expect the speech to up to 960 MBPS, which is amazing if you play HD quality video games or even work from home without encountering any interruption. Small to medium-sized businesses can consider purchasing this for their offices. It comes with 24 x 8 channel bonding, and it is perfect for any speed plan up to 500 Mbps. This means that even during peak hours you can expect a good internet connection and you will be able to watch movies without any buffering. It is provided with the DOCSIS 3.0 and also features an additional 1.6 gigahertz processor. If you are concerned about security, then this modern has also got you covered as it allows YouTube to have customized URL for your own personal FTP without any extra cost. This feature makes it perfect for any office space. 

Pros

  • It comes with extra security features like a double firewall, customizable URL for your own personal FTP, parental control, as well as guest control, etc. 
  • It has 24 downstream channels
  • It is built with powerful design and made with durable material
  • It has a built-in router
  • You can also download a mobile app that can be a companion to the device on which you can run your network. 

Cons

  • The customer service is not that great
  • The warranty period is also so quite less when compared to other modems. 

8. Linksys CG7500 High-Speed DOCSIS 3.0 

This modem is one of the best when it comes to its maximum speed, as it can go up to 9.1 Gbps. It also comes with 24 x 8 channels. This is perfect as you get an uninterrupted powerful stream even during high traffic hours. Like most other models featured on this list, the Linksys CG7500 also comes with DOCSIS 3.0. The design of this modem is also quite futuristic, and it is made up of durable materials, so it will last you a long time. An amazing feature of this modem is that it comes with 4 ethernet ports on a back panel which you can connect to see your gaming console, computer as well as other devices directly. You will also find a 2.0 USB port as well as a coaxial of cable connection. LED lights are located on a front panel, which will indicate the position of a modem. It also comes with an inbuilt router, so you do not have to go for another. 

Pros

  • It is an amazing option performance-wise and guarantees high-speed internet
  • It has a futuristic design
  • It runs on the Intel Puma 6 chipset
  • It has numerous Ethernet ports. 
  • It comes with not only the one year of warranty period but also a 90 day complimentary assisted technical support. 

Cons

  • If you want to connect multiple devices to this modem, then it will become quite slow. 
  • It is more expensive than some of the other models featured on this list with similar features

9. MOTOROLA MB8600 DOCSIS 3.1 Cable Modem 

You will find that the Motorola DOCSIS is one of the finest models available in the market, and it allows an utmost speed of 1 Gbps; this allows for powerful performance and is perfect for any home. You can expect, and an upstream rate of up to 3.8 Gbps from this model and it is one of the few good modems that work on 3.1 DOCSIS which is super fast, but you should keep in mind that most service providers have not upgraded to it, so make sure before you make the change. On a back panel, you will find that this modem supports 3 masked and one open Ethernet ports, which can be directly used connect to gaming consoles, personal computers, and other devices. It does not come with an inbuilt router, so you have to make a separate purchase. This modem is also pretty great as it can be set up within no time, as it is very easy. 

Pros

  • It comes with numerous Ethernet ports. 
  • You will get tall downstream speed
  • It supports DOCSIS 3.1, thus future proof your device.
  • You can get a warranty for up to 3 years
  • It is made good quality materials

Cons

  • Many internet service providers do not support DOCSIS 3.1
  • Many users have complained about disconnection issues

10. TP-Link TC-7610 cable modem 

It is one of the cheapest modems that you will find, there are not many features on this modem, but it is a good one if you are looking for something within a low budget. It does not come with an inbuilt router, and you would have to buy it separately. It offers an utmost speed of just 143 Mbps, which is technically quite good if you are just looking at it for daily use. You will see on a back panel there is only one Ethernet port and a coaxial cable. There are also LED lights on a front panel, which can show you the position of a modem. 

Pros

  • You can save up on rental fees as the price is quite low. 
  • It has a sleek, simple and cool design
  • The weight of the modem is quite light when compared to the rest
  • It gives good speed

Cons

  • The number of channels is low
  • Numerous Ethernet ports are not provided

11. ARRIS SURFboard SB6183 DOCSIS 3.0 

You will find that the ARRIS SURFboard SB6183 is one of the best models you can find in terms of both speed and performance. It runs on DOCSIS 3.0, and you can expect an utmost speed of 386 Mbps, which is going to let you enjoy HD quality videos without any issues, and you are video gaming session going to become much smoother. It comes with 16 downstream channels as well as 4 upstream channels so you can expect good internet speed even during high traffic hours of the day. The device is also very easy to use, and you will be able to it up in no time. The modem is amazing as you can expect up to 20% faster downstream than what you are actually paying for, so even if you go for a hundred Mbps speed plan from your internet service provider, you will be blessed with much higher speeds. 

Pros

  • It comes with a 2-year warranty
  • The price is great as it has a lot of features
  • It delivers both in performance as well as speed
  • It has 16 downstream channels and 4 upstream channels
  • It works on DOCSIS 3.0 

Cons

  • The LED lights on a front panel are too bright, and people have complained about heating issues
  • There is no power button to switch off the modem, so you would have to unplug it if there is any problem

12. TP-Link Archer CR1900 

The TP-Link Archer CR1900 is one of the greatest modems that you will find, and for that price, you are getting a lot of power with regard to its performance. It is perfect for streaming HD quality movies, and your gaming experience will change overnight after you have installed a modem, which is very easy to do. With brown stream download rates of up to 1 Gbps, you will not complain about speed even during high traffic hours. 

Pros

  • Brilliant performance
  • It has 24 x 8 bonding channels
  • It has an amazingly sleek design
  • It comes with 4 gigabyte LAN ports
  • It comes with an inbuilt Wi-Fi router

Cons

  • It is a bit costly
  • You can find cheaper options with similar features. 

13. SMC Networks D3CM1604 modem 

Most people do not know the name of this company and are hardly aware that they make modems, but if you are looking for a cheap modem that will do the basic work for a normal house, then it can work for you. Even though it doesn’t look much, the SMC Networks D3CM1604 offers a download speed of up to 640 Mbps while the upload speed is only 120 Mbps. If you are confident that you know how to set up a modem by yourself, then you can go ahead and buy it because you will not find much literature on this modem. 

Pros

  • The price of this modem is low
  • It comes with a 2 year of the warranty period
  • It has 16 x 4 bonded channels

Cons

  • The maximum upstream channel speed is quite low
  • The modem is very bulky

14. ASUS CM-16 Cable Modem 

Even though the price is low, the performance of the Asus CM-16 is quite great. It has been receiving attention lately and has been making why the name for itself as it offers good speed and performance for its price. Even though its maximum downstream speed is as high as 686 Mbps, upstream speed is actually very low, and it is just 131mbps. In the back panel, you will find that it has only one Ethernet port, which is understandable for this price. The design of the modem is very futuristic, and it comes with a blue LED light, which adds to its aesthetic. 

Pros

  • It is very easy to setup
  • It is very light and takes very little space
  • It has a futuristic design
  • It comes with 16 x 4 channels

Cons

  • It just comes with a 1-year warranty
  • The maximum upstream speed is not that great. 

15. Cisco DPC3008 Cable Modem 

The Cisco DPC3008 is a decent cable modem that does not come with an inbuilt router, but it is expected if you see its price. If you want to save up on your monthly rental fees, then you can buy it as it is one of the most affordable models you will get on the market. If you are looking for a modem with very high performance, then this will not be sufficient for you. If you are just looking for a modem that will be enough for daily use for your house, then it is a good option. It offers maximum downstream speed of up to 340 Mbps only, so if you have a gigabyte plan, then it is better that you go for something which is a bit on the higher range to get the best out of your internet plan. 

Pros

  • The price is quite affordable
  • It is made with durable materials
  • The look of the modem is quite compact, and it takes up very less space
  • It has 8 x 4 channels
  • It compatible with DOCSIS 3.0 protocol

Cons

  • It does not have a separate power button on the modem
  • The maximum upstream speed is quite low

Most of the items here will have sufficient time as a warranty period, so if you are not satisfied with the product, you can return it. These models will help you get the most out of your internet connection. Only the best of the best have been selected so that you can get the most efficient modem for your house. Do the necessary homework before you choose one for yourself and get ready to enjoy smooth internet connectivity at your house!

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Buyer’s Guide: Thing To Keep In Mind When You Are Looking For A Comcast Xfinity Compatible Modem

  • First and foremost, you should decide whether you want to buy a modem or a router modem. If you have purchased a modern router recently, then you are in luck because most modern routers are compatible with all kinds of modems. Still, if you have none, then it is better to buy the modem and router separately because if something happens with any of the two, then the whole system has to be changed. Buying the two separately also costs less to repair or change separately. 
  • You should also check the DOCSIS protocols; most of the models featured in this list have either of the DOCSIS 3.0 or 3.1 protocols. It is an acronym for data over cable service interface specification. It is the protocols that allow your modem to provide broadband Internet access. If your internet service provider offers internet speeds of more than one gigabyte, then you should look for the 3.1 version, but for most households, 3.0 will be sufficient.
  • When wearing the modem, you will also notice figures written like 8 x 4 or 32 x 8, which indicates or downstream or upstream channels. This means how much downloadable data your ISP can provide at a time. If you work from home, then you want a bigger number on the box. 
  • You should also go for a modem that has good upstream as well as downstream speeds prescribed on the box because this will future-proof your modem, and you do not have to buy new modems when you go for costly high-speed internet connections packages. 

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Frequently Asked Questions (FAQs) Regarding Comcast Xfinity Modems

1. What Is A Modem?

A modem is actually short for ‘modulator-demodulator.’ It can be defined as a hardware component that allows a PC or another device, like a router or a switch, to be able to connect to the internet. 

2. Should You Buy A Modem Or Rent It?  

Whether you should depend upon various factors like whether your company is paying for your internet service, the place you are residing in is just a permanent, etc. If you are staying in your permanent residence and you are paying monthly fees to your internet service provider for renting the modem, then you should buy a new one for yourself. 

3. Are Modems Very Expensive?

Many people do not buy their own modern because they feel that it will be very costly, but this is not the case if you do the math right you will see that the monthly rental feel that you are paying for your modem that is provided by the internet service provider is actually more than the cost of a modem. 

4. Does A Modem Come With A Router?

A modem makes a computer router or may not, and it depends upon the model. It is better that you do the necessary research before you buy your modem. If you want a 2 in 1 solution, then those are also available. 

5. Which Is A Good Modem For High-Speed Internet Connection? 

There are many good modems for high-speed internet connection like Motorola MB7420 Cable Modem, Netgear CM700 Cable Modem, Arris SURFboard SB6190, etc.

6. Is Purchasing A Router Mandatory If You Have A Modem? 

No. If you do want to have a WiFi at your place, then there is no need, but if you are concerned about extra expenses, you can go for a modem that has an inbuilt router.  

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Conclusion

With these amazing Comcast x infinity compatible modem, you will be ready to say goodbye to those extra monthly rental fees to your Internet service provider company. Just go to the specifications and the price to make the right choice for you. You will surely find something within your budget.