Best Modem For Cox (Cox Approved Routers)

Have been you been disappointed with the speeds provided from Cox Cable? Have you called them up with repeated complaints? Perhaps you’re barking up the wrong tree? Before giving up on Cox, you should get rid of the rented cable modem and make the switch to something better. Buying your own cable modem for your Cox Internet service is pertinent and reasonable for pretty much everyone. By investing in your very own modem, you’ll reap a wealth of benefits. There is a good chance that your Internet’s performance will improve and you’ll save yourself a little bit of money. Within this comprehensive guide, you will learn all about the perks of investing in one of the best modem for Cox Cable Internet.

Why Buy A Cable Modem For Cox?

best modem for cox

At this point, you’re probably wondering why you should even buy a cable modem. After all, Cox(1) gives you one for a small monthly free. That is true, but buying your own modem will come with many benefits. First and foremost, you’ll be able to avoid that monthly rental fee, which seems to increase month by month. Instead of renting, you’ll actually own the modem. So, you’ll have the freedom to do whatever you want with it. If you ever decide to switch from Cox to another Internet service provider, you’ll probably be able to use the modem again.

You’ll also have the freedom to pick and choose. You can browse the market and pinpoint the overall best modem for your unique needs. In return, this could help you obtain a better Internet connection than what you’d receive with the rented modem. Truly, it is wise for all consumers to consider making the switch.

Things To Consider When Buying Cox compatible modems

When scouring through the market, you will quickly notice that there are tons of options at your disposal. They’re all different in one way or another. Simultaneously, there are numerous factors to take into account when attempting to purchase a new modem. Suffice to say, you have a slightly difficult road ahead of you and plenty of questions that you need to answer. Below, you’ll learn about many of the things that you should consider when buying a new modem for Cox’s Internet service.

  • Moving Soon?

If there is a chance that you’ll be moving at some point in the near future, you should hold off on buying a modem. When you relocate, there is a possibility that you’re going to be forced to switch Internet providers. If you buy a modem specifically for Cox, there is a chance that it may not be compatible with the other ISPs. To save yourself a headache on down the line, you should not purchase a modem, until you’ve settled in and are positive that you’re going to stay for a while.

  • Your Computer Usage Is Important

It is also vital to take your computer usage into consideration. Are you the type of individual that streams a lot of high-definition videos on your computer? If so, you’re going to need access to the most powerful modem. However, there are some people that use the Internet casually to chat with their friends, browse social media and check their email. If you happen to fall into this category, you’ll actually be fine with a slightly weaker modem. Before choosing a modem, you should consider how you use the Internet and how much power and speed is really needed. After all, there is no good reason to purchase the most expensive modem, unless you need it.

  • Saving Money With A Refurbished Modem

When looking for a good modem, you’ll have two options. You can always choose to purchase a new modem. This is generally recommended. A new modem is brand-new. Therefore, you will not have to worry about anything being wrong with it. At the same time, you’ll be provided with a lengthy warranty. If you want to save yourself a little bit of money, you may want to consider switching to a refurbished modem. As the name suggests, this type of modem has been repaired. It should be 100% working condition and you’ll get a discount on it. Just remember that refurbished products usually come with shorter warranties.

If you’re going to buy refurbished, make sure you choose a reputable dealer!

  • The Number Of Devices In Your Home

While you’re at it, you’ll also want to think about the number of devices in your home. How many devices use the Internet in your home in a given day? Some households have multiple children and they’ll all want access to the Internet. This can create problems for weaker modems. If you have three, four or more connected devices in your home, you should consider making the upgrade to a dual-band modem. This will help prevent interference, while ensuring everyone gets a great connection. It will also allow you to play around with a slow lane and a faster lane, so you can dedicate resources where they’re needed the most.

  • Is It Compatible With Cox?

Before making the purchase, it is absolutely essential to make sure that modem in question is indeed compatible with Cox Cable. If you do not, there is a chance that you’re going to buy the modem and be forced to send it back once it arrives. Check the product’s description carefully. Jot down its model number. Give Cox a call and ask them whether or not the modem will work with their Internet service. If they say no, you need to choose another modem. Calling the company directly is recommended, since the descriptions can be iffy sometimes.

  • DOCSIS Is A Must

When attempting to find a modem, you will need to look for one that has DOCSIS on the box. DOCSIS stands for Data Over Cable Service Interface Specification. There are several different types, including 1.0, 2.0, 3.0 and higher. A higher number will always deliver a better performance and vice versa. However, it is important that your speeds and performance will be limited by your current Internet plan. Even if you buy a super-fast modem, it’ll only be able to deliver speeds that your ISP delivers. If you’re promised a certain speed by the ISP, that is the speed you’re going to need and nothing more.

Where To Make The Purchase

Finally, it is important to consider where you’re going to make the purchase. Sadly, there are tons of scammer out there, so you’ll need to take some precautions. Make sure that you only do business with reputable sources. If you purchase a modem from a website you’ve never heard of, there is a chance that you’re going to get ripped off. Choose a trustworthy source and you’ll know for certain that your money has been spent wisely.

Cox Modem Specification Factors To Consider

While the above factors are vital, there are other things you need to consider when purchasing a cable modem. If you ignore anything, there is a good chance that your modem will not deliver the speeds that you expected. Below, you’ll find a breakdown of the specifications that are important.

  • Router And Modem In One

If you’re not tech savvy and don’t want to clutter your home with numerous devices, you should consider investing in a router and modem in one. These devices are very convenient and they’re growing more and more popular. The modem and router combination will give you everything you need to deliver an Internet connection to all devices in your home.

  • Dual Band

It is always a good idea to choose a dual-band modem. The good news is that most are nowadays. This means that the router is capable of streaming on the 2.4 GHz and the 5 GHz frequencies. In return, this will allow you to have two connections from a single router. This can help you avoid terrible interference and other problems.

  • Speeds

You’ll also want to consider speeds. At this point, the faster modems are capable of delivering speeds of up to 1 Gbps or more. However, most Internet service providers will not deliver those speeds just yet. Nevertheless, going ahead and preparing with a compatible modem is definitely a good idea.

7 Cox Approved Cable Modem List

What modem is compatible with Cox? The following 7 devices listed below are certified for use with all Cox Internet Service.

#1. NETGEAR Nighthawk X4S DOCSIS 3.1

NETGEAR Nighthawk X4S DOCSIS 3.1 (C7800)

Are you tired of paying that expensive monthly fee to rent your current modem from your cable provider? That modem probably isn’t even providing you with the speeds that you are paying for. With that being, if this is the type of predicament that you are in, you need to consider investing in the NETGEAR Nighthawk X4S DOCSIS 3.1. Not only will this modem work with your Xfinity account from Comcast and Cox, but also it will provide you will lighting fast, uninterrupted speeds.

Improved Stability And Reliability

If you are familiar with the DOCSIS 3.0, you probably already know that this was an amazing product, but a lot of users experienced dropped and unreliable connections. Well, thanks to the new innovative design of the DOCSIS 3.1 this is no longer the case. Along with this, the 32 x 8 channel bonding technology offers racecar fast speed, unlike anything you have probably every experienced before.

Take Advantage Of The 4 Gigabit Ethernet Ports

Wi-Fi is great, but unfortunately it sometimes just isn’t capable of providing the speeds and quality that you need when you are streaming or gaming. This is why the DOCSIS 3.1 comes equipped with 4-gigabit Ethernet ports. These ports give users the ability to connect up to 4 different wired devices at a single time. With that being said, you should keep in mind that this router is capable of providing maximum speeds for Wi-Fi connections.

High-Performance Active Antennas

Your currently modem probably isn’t capable of providing you with a reliable, fast signal throughout the entirety of your home. This is especially true if you live in a large square foot or multi story home. Well, you should know that when you invest in the X4S DOCSIS 3.1 this will no longer be an issue thanks to the quad stream 2 Wi-Fi high performance antennas. With these new, powerful antennas you will now be able to enjoy maximum and reliable Wi-Fi connections on all your devices.


  • Compatible with Xfinity from Comcast and Cox
  • High-Performance Active Antennas provide lightening fast Wi-Fi speeds
  • Hook up to 4 devices with the 4 wired Ethernet ports
  • Improved reliability and speeds, as compared to the DOCSIS 3.0
  • No more equipment rental fees from your Internet provider


  • Doesn’t work with Xfinity triple play
  • Doesn’t come with a battery back up

Overall Assessment

If you want to get rid of those pesky monthly Internet fees and achieve a faster and more reliable connection, you need to consider investing in the NETGEAR Nighthawk X4S DOCSIS 3.1.

#2. D-Link (DCM-301) DOCSIS 3.0

D-Link DOCSIS 3.0 (DCM-301)

When it comes to a cable modem, consumers must take many factors into consideration, including speed capabilities and compatibility. The D-Link DOCSIS 3.0 is decidedly one of the best cable modems on the market. Its ability to deliver downstream speeds of 30Mbps/43Mbps/up to 320MBbps through what is known as “channel bonding.” This alone categorizes the D-Link DOCSIS 3.0 at the top of the list of availability.


If your existing Internet provider is Comcast Xfinity, Charter, Cablevision, Cox or Time Warner Cable, the D-Link DOCSIS 3.0 will integrate into your home network perfectly. If your existing Internet provider is CenturyLink, AT&T or Verizon, you will need to keep searching. If your Internet provider is not listed above, you should contact D-Link directly, because the list of capabilities has been limited to only a few.

Suitable For Personal And Business Purposes

The D-Link DOCSIS 3.0 is capable of supplying both homes and small businesses with high-speed broadband Internet access. In fact, the cable modem is capable of delivering reliable connections and download speeds up to 343Mbps. If you own a small business that requires Internet access, you should look no further than the DOCSIS 3.0.

Great For Streaming Music

With the capability to deliver upload speeds up to 150Mbps, the D-Link DOCSIS 3.0 (DCM-301) allows users to stream HD video and music, as well as share files and browse the Internet. If you are considering upgrading from a DOCSIS 2.0 cable modem to the DOCSIS 3.0, you should know that the DCM-301 is eight times faster. So, if you make the transition, you will definitely notice a major improvement in your Internet speeds.


  • Upload speeds – 150Mbps
  • Download speeds – 343Mbps
  • Great for streaming music, file sharing and browsing the web
  • Weighs only 0.5 pounds
  • Dimensions – 5.9” L X 4-1/2” W X 1.3” H
  • Superior capability (works with Apple Airport Express)
  • Great for small businesses and residential


  • May drop signal intermittently
  • Connecting to Apple Time Capsule may be difficult

Overall Assessment

The D-Link (DCM-301) Cable Modem will improve your existing home network significantly. It is capable of delivering faster speeds than most similar models. The installation is super easy and quick, so you can virtually start utilizing it right out of the box.

#3. ARRIS SURFboard SBG6580-2 DOCSIS 3.0

ARRIS SURFboard SBG6580-2 DOCSIS 3.0 Cable Modem/ Wi-Fi N600

There is nothing worse than a dropped or unreliable Internet connection when you are right in the middle of downloading an important file, streaming your favorite movie, or vying for a ranked gaming spot. Whatever the situation is, dropped connections can be a thing of the past if you invest in the ARRIS SURFboard SBG6580-2 DOCSIS 3.0 Cable Modem. Not only does this modem provide users with 100 percent reliability all the time, but also it eliminates that pesky monthly equipment fee that your Internet provider is currently charging you.

Compatible With Tons Of Cable Providers

It is true that there are a slew of cable providers out there, and that is why the ARRIS SURFboard is compatible with the majority of them. This modem will sync right up with Comcast Xfinity, Time Warner Cable, Charter, Cox, Cablevision, plus tons more. Unfortunately, this router isn’t compatible with Verizon, AT&T, or CenturyLink.

Connect Several Devices With The 4-Port Gigabit Ethernet

Are you tied of sitting right next to your modem, but find that you have to utilize Wi-Fi, because your router just doesn’t have the connection ports? Well, there is nothing wrong with Wi-Fi, as it is reliable and fast, but sometimes it just doesn’t provide that Ethernet speed that you need. Well, this is something that you will never have to worry about when you invest in the SURFboard modem. This router comes equipped with 4 different Ethernet ports, so you can connect up to a maximum of 4 wired devices at one time.


  • Connect up to four wired devices at one time
  • Works with a variety of cable providers
  • Achieve ultimate speeds with the 8 download and 4 upload channels
  • Eight times faster than DOCSIS 2.0
  • 2 x 2 antenna offers better signal strength throughout the home


  • Doesn’t work with Verizon, AT&T, or CenturyLink
  • Lights on modem are extremely bright

Notable Specifications

If you want to do away with that monthly equipment rental fee, and achieve a more reliable cable connection you should consider investing in the ARRIS SURFboard SBG6580-2 DOCSIS 3.0 Cable Modem.

#4. NETGEAR CM600 (24×8) DOCSIS 3.0


NETGEAR is a name that has been around in the modem/router community for years now. Over this time that have become known to be one of the most versatile, reliable, and dependable manufactures out there. All of this is pretty evident in the innovative design of the NETGEAR CM600 (24×8) DOCSIS 3.0 Cable Modem. Not only does this modem look absolutely amazing, but also it performs just as well as it looks.

Extremely Fast Speeds

When it comes to choosing a modem, there is nothing more important than choosing one that will achieve the speeds you are looking for. This is why this NETGEAR modem was designed to provide customers with high-speeds up to 960 Mbps. This makes the 3.0 24 times faster than those old 2.0 devices.

Setup And Install Right Away

There is nothing worse than receiving your new modem and learning that you almost have to be a network engineer to hook it up. Fortunately, this is something that you will not experience with the NETGEAR CM600 (24×8) DOCSIS 3.0 Cable Modem. Not only is this modem incredibly easy to setup and install, but also it comes with a handy instructional guide that will walk you right through the whole process. In fact, you should be able to connect this modem right up without even having to make a call to your current Internet provider.


  • Extremely easy setup and installation
  • Comes with a quick setup guide
  • 24 times faster than the 2.0 devices
  • Eliminate that pesky monthly equipment rental fee
  • Works with Cox, Comcast, Spectrum, and more
  • 24×8-bonding channels provide reliability and speed


  • Need a separate router for Wi-Fi
  • Doesn’t work with Verizon, AT&T, CenturyLink

Overall Assessment

With the easy setup and installation, reliable download speeds, and innovative design you really couldn’t ask for a more unique modem.

#5. Linksys High Speed (CM3024) DOCSIS 3.0.

Linksys High Speed (CM3024)

The Linksys High Speed DOCSIS 3.0 24×8 Cable Modem is ideal for small to medium-sized homes. The modem is designed to deliver up to 300Mbps from your existing ISP plan. In addition to the speed increase, your Internet connection will be improved greatly. Not only will you notice a more reliable connection, but also the ability to participate in online gaming adventures and stream music without interference.

Superior Capability

The Linksys DOCSIS 3.0 is compatible with a broad range of Internet services, including Time Warner Cable, Comcast Xfinity, Cox, Charter and Cablevision. A major downside to this cable modem is it does not support AT&T, CenturyLink and Verizon. If your Internet service is not among this list, you can contact Linksys directly to find out if it is compatible with the DOCSIS 3.0.

Intel Puma 6 Chipset

The Linksys DOCSIS 3.0 is integrated with an Intel Puma 6 chipset. This component gives the cable modem the ability to offer high-speed upstream and downstream performance. Immediately after the installation process is complete, you will notice a major improvement in your Internet performance.

Easy Installation

With the included step-by-step installation guide and plug-and-play setup, you can enjoy your new cable modem almost immediately after you receive it. Follow the instructions provided in the guide, if you encounter any issues just contact Linksys customer service department. However, in most cases the plug-and-play design allows users to complete the installation and setup processes without encountering roadblocks.


  • Delivers up to 250Mbps, depending on your ISP
  • Supports all major Internet services
  • Does not require a monthly fee
  • Integrated with channel-bonding technology for a more efficient data transfer
  • Plug-and-play installation
  • Suitable for homes, apartments and condos


  • Setup may be difficult for individuals with limited technical skills
  • Lights are extremely bright and annoying

Overall Assessment

The Linksys DOCSIS 3.0 Cable Modem delivers up to 300Mbps, depending on your ISP plan. It is ideal for online gaming, surfing the Internet and streaming HD media. For the price, you will not beat this cable modem and it is perfect for small homes and apartments.

#6. ARRIS SURFboard SBG7580AC DOCSIS 3.0


How would you like to take control of your home network, receive lightning fast connection speeds, and eliminate that pesky monthly rental fee that you are paying for your current modem? Well, with a 60-year legacy of designing and creating innovative modem around the world, you can do just this and much more with the ARRIS SURFboard SBG7580AC. With the 4-gigabit Ethernet ports you have the option of wiring in 4 different devices at a single time. Wi-Fi is great and reliable, but sometimes it doesn’t give you the speeds that you need.

Wi-Fi Beamforming Technology

There is nothing worse than not being able to get Internet access or receiving sketchy connections in some parts of the home or office. In fact, this is probably something that you experience quite often if you are located in a large home or office. Fortunately, thanks to the beamforming technology installed in the ARRIS SURFboard SBG7580AC this is something that you will never encounter. Not only is this device capable of sending a powerful signal through woods wall, but also it will extend the range of your signal beyond anything that you have ever seen before.

Top-Notch Home Security

You probably store a lot of personal and valuable information on your computers. This is why it is always necessary to take all the precautions to ensure that your network is protected at all times. Well, ARRIS does just this, as McAfee safeguards their innovative modem. With this modem you never have to worry about a virus attacking your files, or someone gaining access to your personal information.


  • Top-notch security provided by McAfee
  • Wi-Fi beamforming technology extends signal
  • Compatible with a variety of Internet providers
  • 4-gigabit Ethernet ports lets you connect up to 4 wired devices
  • 32 download and 8 upload channels allow you to achieve maximum speeds


  • Doesn’t work with AT&T, Verizon, or CenturyLINK
  • Doesn’t include a fan for cooling purposes

Overall Assessment

If you really want to take back control of your home or office network and ensure complete durability, reliability, and fast connection speeds at all times, you need to invest in the ARRIS SURFboard SBG7580AC.

#7. Motorola Ultra Fast (MB8600) DOCSIS 3.1

Motorola Ultra Fast (MB8600)

Don’t you just hate paying that hideous monthly rental fee that your cable provider charges you? In addition to this, you probably never even get the performance that you are promised. Well, you can completely do away with all of this if you invest in the Motorola Ultra Fast DOCSIS 3.1 Cable Modem. Newly designed in 2017 this modem provides download speeds that are 46 times faster than the DOCSIS 2.0.

Backed With a 2-Year Warranty

When you invest in a modem you want to make sure that you are getting your money’s worth. Well, when you invest in the Motorola Ultra Fast DOCSIS 3.1 Cable Modem, you can truly rest assured that you are getting just that and more. This modem comes back with an amazing two-year warranty that will completely cover you for the first two years.


  • Bonded Gigabit Ethernet ports for 1GB+ speeds
  • Extremely secure
  • Certified by Comcast Xfinity
  • Eliminates cable modem rental fees
  • Support specialists located in U.S.
  • Equipped with an Ethernet GigE LAN port


  • User’s manual needs improvement
  • Setup requires a call to Xfinity, which means a long hold time

Overall Assessment

The Motorola Ultra Fast DOCSIS 3.1 Cable Modem is ideal for large homes, with a small business. The modem includes everything you need to complete your home network. However, you will need to invest in an additional router, which is general with cable modems.

 How To Optimize Internet Speeds with Cox Communications (video)

See also: Best FiOS Routers

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