The Best Modem For COX Review & Buying Guide

Finding the best modem for Cox is one of the important parts of your home network. The speed will definitely vary if you connect the wrong one.

Mostly like all the other internet service providers, Cox provides a modem as part of the complete package to save you the hassles to purchase one.

Our Top Pick


However, that convenience doesn’t come free of charge and Cox charges a monthly fee for as long as you use the modem. Although the amount charged may seem less compared to the cost of a new device, over a period of time they can really add up more than the cost of a modem.

Get your own, though, and you’ll have paid off the cost of that device in rental fee savings in less than a year. Although Cox offers quality and good internet speeds, the cable modem that you use can greatly affect your experience.

Best Modem For Cox in 2019 Quick Comparison

Best Modem For Cox 2019


The Linksys CM3024 is another of our top bet. It is a great modem providing high-speed Wi-Fi speeds from your existing ISP plans up to 300 Mbps.

The device features Intel Puma 6 chipset to achieve high-speed downstream and upstream performance.

24 download and 8 upload bonded channels give you the most out of your existing cable broadband connection.

Linksys CM3024 High Speed DOCSIS 3.0 24x8 Cable Modem, Certified for Comcast/Xfinity, Time Warner, Cox & Charter (Modem Only, No Wifi Functionality)

It’s ideal for HD media streaming, simultaneous online gaming, web surfing and more. The device is ideal for Cox cable customers with internet service plans of 250 Mbps and above.

If you have broadband plans of between 100 and 250 Mbps, you should instead use the Linksys CM3016 Cable Modem, while the Linksys CM3008 Cable Modem is ideal for Internet service plans of 100 Mbps or less.

Certified for DOCSIS 3.0 cable Internet standard, this device provides download speeds of up to 960 Mbps. As an added feature, the Linksys CM3024 supports all the DOCSIS 3.0 standard security protocols keeping you safe and secure online.

Once you get your hands on this device, its set-up process is extremely easy and it is well described in a simple quick start guide.

Overall, it features a simple user web interface, the device is a great fit for any home network.


The major differences are only limited to speed and channel bonding.

Whereas the SB6141 has an 8 x 4 channel bonding, the SB6121 has 4 x 4 channel bonding and speeds of up to 172 Mbps.

On the bright side, the device is still good for streaming HD Video and gaming and in addition to Comcast, it is compatible with Time Warner, Cox, Charter, Bright House Networks and MOST Small Regional Cable Providers.

ARRIS SURFboard SB6121 4x4 DOCSIS 3.0 Cable Modem -Retail Packaging-Black

The device features a Gigabit Ethernet port enabling you to connect to your computer or router. The only drawback is its lack of a power button, which means you’ll need to unplug the device to shut it down.

All in all, the Arris Motorola SB6121 is a great cable modem that will work well for most people. But, if you have a very fast internet connection, you may want to look elsewhere.

TP-Link AC1750

The Tp-Link AC1750 is a great and reliable modem. The device features DOCSIS 3.0 and 802.11ac technologies and a channel bonding of 16 downstream and 4 upstream channels bundled.

The device is also equipped with 6 quality internal antennas and high-powered amplifiers boost signal strength and reduce interference.

What we liked most about the device is its reliability. The 2-in-1 device combines a high-performance modem with a Wireless AC router to create a powerful, reliable home network.

With a class-leading 680Mbps cable download speeds and up to 1750Mbps Wi-Fi speeds with simultaneous 2.4GHz (up to 450Mbps) and 5GHz (up to 1300Mbps) bands, the device is capable of revolutionizing your home internet.

The device makes streaming HD Video, gaming, downloading, and video conferencing far more realistic, faster, and efficient.

TP-Link Archer CR700 16x4 DOCSIS3.0 AC1750 Wireless Wi-Fi Cable Modem Router | Up to 1750Mbps Wi-Fi Speeds | Max Download Speeds Up to 680Mbps | Certified for Comcast XFINITY, Spectrum, and more

You also get to enjoy advanced guest network and parental controls enabling you to manage when and how connected devices can access the Internet.

The modem is quite easy to connect and the Tp-Link AC1750 is a good option for Cox subscribers.


The D-Link DCM301 is another router that despite being basic offers respectable quality and reliability.

The cable modem 8 downstream channels and four upstream and has download speeds of up to 343 Mbps and upload speeds of 150 Mbps.

The modem is DOCSIS 3.0 and IPv6 capable and is compatible with Cox and all the major DOCSIS 3.0 cable internet providers, including Comcast, Time Warner, and Bright House.

D-Link DOCSIS 3.0 Cable Modem (DCM-301) Compatible with Comcast Xfinity, Time Warner Cable, Charter, Cox, Cablevision, and more

As such, should you choose to switch to a different ISP, you won’t need to buy or rent a new modem.

It is suitable for video streaming, internet browsing but if you want to stream high definition videos or play intensive online games then this is probably not the modem for you. This device is a great option for the budget conscious user.

Personal Recommendation

NetGear CM1000

The NetGear CM1000 remains our top pick. It’s the first Cable Labs certified DOCSIS 3.1 modem and offers blazing fast speeds that can be up to 10x as fast as some DOCSIS 3.0 modems.

The device boasts a futuristic-looking black design that will fit right into even the most design conscious spaces. It is simple to set up and should have you browsing the net in absolutely no time at all.

The CM1000 is capable of download speeds of up to 1.2 Gbps and upload speeds of 304 Mbps.


This ultra-fast modem delivers data through 32 downstream channels and 8 upstream channels providing users with twice the channel bonding capacity of the similarly priced high-speed modems.

Owing to its incredible internet speeds, the device is ideal for streaming 4K UHD content, fastest downloads, and high-speed online gaming.

You also get to enjoy a fast wired connection to your router, computer or TV thanks to its 1 Gigabit Ethernet port.

The device is quite easy to install and performs amazingly well with Cox’s current service plans and can adapt to future upgrades. The router is easy to install.

While there isn’t necessarily anything wrong with the device you get from the ISP, using your own modem gives you the opportunity to choose what you want from a device or even use a modem/router combo.

You can access a comprehensive list of all supported modems from Cox’s website. Given the vast differences in the models available, you might find it challenging to pick the device that best suits your needs.

Fortunately for you, we spend adequate time going through the Cox listed modems in the market to identify the best and most reliable product.  When choosing the cable modems we considered compatibility, features and the types of connections.

Conclusion – Best Modem for Cox

If you are a Cox Communications cable customer, but you aren’t particularly happy with your Internet Wi-Fi speeds, you should opt for a new modem, one that’s able to meet the demands of a modern home.

This would also be a good upgrade for people who have a 50 Mbps plus service and aren’t getting the speed they require. If you are currently renting an 8 x 4 modem, you will most likely notice an improvement in terms of performance.

Getting a new router will also it will free you from the monthly fee that Cox charges you to rent their hardware. Yes, renting may be convenient especially in the short term but over time, it may prove to be a burden.

About the author

Mark Cook

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