Best Suddenlink Approved & Compatible Modems [Full List]

Note, no device can get you faster internet speeds than your internet plan provides.

Also, get the device you need. A modem and a router are not the same things. Some types of internet require both others only one. If you are uncertain, click here

This is a list of Suddenlink-approved modems with short reviews for the top 5.

Suddenlink Approved Modems

As a Network Engineer, I have spent hours researching which modems are compatible with Suddenlink and which of these are the best. 

And I have concluded that Motorola MG7700 is the best modem for Suddenlink internet. 

Motorola MG7700

Motorola MG7700 – Editors Choice’s

Best Overall

  • Type: Modem/Router Combo
  • Works up to: 600 Mbps
  • Channel: 24×8
  • DOCSIS: 3.0
  • Warranty: 2 years

But the reality is not that simple. Because everyone has different internet demands and preferences. 

Therefore, I have not only created a list with approved modems. But also reviewed the top 5 modems.

Let’s get started. 

List of Suddenlink Approved Modems

Here is a list of all Suddenlink compatible modems which I made while researching which is the best.

BrandModel #With RouterChannelsDOCSISPuma ChipsetSpeed (Mbps)
TP-LinkARCHER CR500Yes16×43.0No608
TP-LinkARCHER CR700Yes16×43.0No608

Puma Chipset is a problematic chip some modems and routers use. I recommend avoiding models using it. 

Yes means that the modem uses it, and No that it doesn’t. 

The speed showed is the max speed a modem is capable of. This means that the real-world speed will be lower. How much lower depends on the device, but usually it’s about 50% slower.

Top 5 Suddenlink Compatible Modem

  1. Motorola MG7700 (Editors Choice’s – Modem/Router Combo) 
  2. Motorola MB8600 (Best Performer – Cable Modem)
  3. Netgear CM600 (Budget-Friendly – Cable Modem)
  4. Netgear Nighthawk C7800 (Best Performer – Modem/Router Combo)
  5. Motorola MG7540 (Budget-Friendly – Modem/Router Combo)

5 Best Suddenlink Approved Modems

Here are the 5 best Suddenlink-compatible modems. Choose the one that fits your needs the best. 

#1 Motorola MG7700 (Editors Choice’s – Modem/Router Combo) 

  • Type: Modem/Router Combo
  • Max speed: 1000+ Mbps
  • Recommended for speed: 600 Mbps or below
  • Channel bonding: 24×8
  • DOCSIS: 3.0
  • Ethernet Ports: 4 x 1G
  • Warranty: 2 years money-back guarantee 
  • Chosen as: Best Overall

Even though I usually recommend people to get separate devices, I still choose the MG7700 as the first approved modem in this list. Motorola is one of my favorite brands, and most would agree that they provide high-quality networking hardware. And with their 2 years warranty, they make that clear. 

With a real-world speed of 600 Mbps, this modem is perfect for the Suddenlink internet 100 or 400 plan. 

It also has a channel bonding of 24×8 with DOCSIS 3.0. This gives it an upload speed capability of around 200 Mbps. Enough to cover the upload speed of all Suddenlinks plans. 

The router is also dual-banded. This means that you can choose between a 2.4GHz network and a 5GHz network. You want this in a router since the 2.4GHZ network has a better range while the 5GHz is faster. 

The drawback with the Motorola MG7700 is that it doesn’t have the best Wi-Fi range. So if you have a large home you need to buy it with a Wi-Fi repeater. 

#2 Motorola MB8600 (Best Performer – Cable Modem)

  • Type: Cable Modem
  • Max speed: 6000 Mbps
  • Recommended for speed: 1000 Mbps or below
  • Channel bonding: 32×8
  • DOCSIS: 3.1
  • Ethernet Ports: 4 x 1G (with aggregation)
  • Warranty: 2 years money-back guarantee
  • Chosen as: Best Performer

The Motorola MB8600 is the cable modem I recommend if you have Suddenlink’s Gigabit internet plan. 

This is because it has a channel bonding of 32×8 and DOCSIS 3.1. This makes it have a download speed above 1000 Mbps and upload speeds in the 200 Mbps range. Enough for the plan and to watch multiple HD movies at the same time. 

Many people don’t realize that the MB8600 doesn’t only have one ethernet port. But in reality, have four, three of them hiding under the yellow sticker on the back. 

This is good because the modem has a technology called Ethernet aggregation. 

This means you can take two 1G ports and aggregate them together to create one port with a 2G capacity. 

This makes it a good option for anyone that also wants to future-proof their cable modem. Because the MB8600 will most likely work for years to come. 

#3 Netgear CM600 (Budget-Friendly – Cable Modem)

  • Type: Cable Modem
  • Max speed: 900
  • Recommended for speed: 400 Mbps or below
  • Channel bonding: 24×8
  • DOCSIS: 3.0
  • Ethernet Ports: 1 x 1G
  • Warranty: 1-year warranty
  • Chosen as: Budget-Friendly

The CM600 is the cable modem I recommend if you either have the Suddenlink 100 Mbps plan or the 400 Mbps plan. 

This is because it has a real-world speed of 400 Mbps and an upload speed of around 160 Mbps. Enough for the plans and to watch multiple movies at the same time

It’s worth noting that if you have the 100 Mpbs plan, you can buy the Netgear CM500 instead. 

But I still recommend this modem, because there is little price difference and if you ever want to upgrade the CM600 allows for it. 

There have been reports that this modem overheat. So make sure that it sits in a place with good air circulation. 

Overall I find the CM600 a good option if you want a reliable and well-priced cable modem for your internet. Just don’t buy it if you plan to upgrade to the Gigabit plan anytime soon. 

Link to Router Page

Need a Router To Your Suddenlink Modem?

If you are looking for a router for your modem, check out our article on the best routers for Suddenlink.

#4 NETGEAR Nighthawk C7800 (Best Performer – Modem/Router Combo)

  • Type: Modem/Router Combo
  • Max speed: 3200 Mbps
  • Recommended for speed: 2000 Mbps or below
  • Channel bonding: 32×8
  • DOCSIS: 3.1
  • Ethernet Ports: 4 x 1G
  • Warranty: 1-year warranty
  • Chosen as: Best Performer

The Netgear Nighthawk C7800 is the gateway I recommend if you have the Suddenlink Gigabit internet plan. 

This is because it has an insane real-world speed of 2000 Mbps and an upload speed of around 200 Mbps. If you could realize this speed then you could download an HD movie in 4 seconds.

Furthermore, it’s also dual-banded. Allowing you to pick between a 2.4GHz network and a 5GHz network. This being good because 2.4GHz gives better coverage while 5GHz gives faster speeds. 

On the advertising page for the C7800, they claim the router has a range of 300 sq. Ft. Take this number with a grain of salt. Because this range is only possible outside during perfect circumstances. [1]

The actual range is around 50% of what’s advertised. But even with this in consideration, it actually still has good coverage, though. Therefore, I recommend the C7800 to someone with a large home. 

#5 Motorola MG7540 (Budget-Friendly – Modem/Router Combo)

  • Type: Modem/Router Combo
  • Max speed: 686 Mbps
  • Recommended for speed: 300 Mbps or below
  • Channel bonding: 16×4
  • DOCSIS: 3.0
  • Ethernet Ports: 4 x 1G
  • Warranty: 2-year warranty
  • Chosen as: Budget-Friendly

The Motorola MG7540 is a gateway I have recommended many times. This is because it’s a well-priced product which gives a lot of value for the money. 

It has a real-world speed of 300 Mbps which makes it good for the 100 Mbps Suddenlink plan. 

If you have the 400 Mbps plan, then it’s up to you whatever or not you think it’s worth potentially lose 100 Mbps for a cheaper device. I, however, would buy the Motorola MG7700 instead. 

The router in the MG7540 is dual-banded. So as mentioned before, it has both 2.4GHz and 5GHz. 2.4 GHz has a better range, while 5 GHz has a faster speed. [2]

One drawback of the device is that it doesn’t have the best range. So I recommend avoiding it if you have a large home. 

What to Consider When Buying A Suddenlink Compatible Modem

Modem For Suddenlink

Here are the most important things to consider before buying yourself a Suddenlink certified modem. 

The Speed of the Modem

When choosing your approved modem, make sure that it has enough real-world speed to support your internet plan. 

If you are uncertain what plan you have, you can either test your internet speed with a speed test or call Suddenlink and ask. 

If you get a slow modem, it might become a bottleneck, and you will then not get the internet speed you are paying for. 

There are two main things which decide a modems speed. These are the DOCSIS technology it uses and how many channels it has. 

If you have the 1 Gigabit plan, then you might want to get DOCSIS 3.1. But otherwise, DOCSIS 3.0 will do. That is if you don’t want to future proof your modem. 

A modem has between 4×4 and 32×8 channels (4×4 is not certified for Suddenlink, however). The more channels the faster speeds a modem is capable of. 

The first number is the downstream channels which determine the download speed. The second number is the upstream channels which decide the upload speed. 

Also, note that the advertised speed is lower than the real-world speed. 

Compatible With Suddenlink 

The second thing you must consider when getting a third-party modem that it will compatible with Suddenlink. There are a couple of requirements that Suddenlink has for a modem to work with their internet. These are:

  • DOCSIS 3.0 or DOCSIS 3.1 certified 
  • At least 8 downstream channels
  • Not using EURODOCSIS (only in America)

These things are nothing you need to think about as long as you pick any of the certified modems in the Suddenlink approved modems list. Or from the top 5 modems and gateways (also in the list). 

Note; If you have Suddenlink Voice Service, then you can’t get a third-party modem. This is because only Suddenlink modems support it. [3]

Modem/Router Combo or Separate

The last thing you need to think about is whatever you want a separate cable modem and router or a modem/router combo (gateway). The difference is that the latter is one device with both the cable modem and router function while separate requires two devices for the same thing. 

As a Network Engineer, I recommend most people have separate devices. This allows you to change one if you need an upgrade or it breaks. It also permits for higher network performers and more customization. permits 

This is not to say that a gateway is inferior. It certainly has its benefits, like taking up less space and is generally easier to set up. And since Suddenlink uses cable there are many gateways to choose between. Therefore, you can get one if you prefer it. 

If you want a more comprehensive overview of the pros and cons of combo and separate devices, then click here

Rent Vs. Buy Suddenlink Equipment

Suddenlink has a fee of $10 a month to rent a gateway from them. This is not the highest fee out there, but neither the lowest. I would still, however, recommend you buying a third-party approved modem if you have Suddenlink. 

$10 a month makes $120 a year. Enough to get a new modem every year. And just 5 months can easily pay for a cheaper device. 

I recommend you buy a third-party modem. That is as long as you don’t plan to change ISP soon. Because then your modem might not be compatible with the new ISP. 

For a more in-depth guide check out Rent vs. Buying your Modem & Router.

Benefits of Getting a Third-Party Modem

As said above, I do think it’s better to buy a modem than to rent it. Here are the main reasons why. 

No Monthly Fee

Suddenlink has a monthly renting fee of $10 a month. A new modem costs between $50 and $200. This means that it takes between 5 and 20 months to pay it off. After that, you will save money every month. 

Faster Internet

A third-party modem will also often give you faster internet. Since the rented gateway you get from Suddenlink isn’t the best. 

Especially if you get a high-performing device. Note, however, that buying a cheaper option could slow down your internet speed.

More Control

A third-party device enables you to choose features that you would benefit from. This could be extra VPN support for work-at-home purposes, parental controls for kids who spend too much time online, or guest networks for visitors. Things that you won’t have with your rented gateway. 

How to Set Up a Third-Party Modem with Suddenlink

Here is a short instruction on how to set up a approved modem with Suddenlink internet. 

  1. Pick a location with good airflow so it doesn’t overheat. If you have a gateway, try to place it as close to the center of your home as possible to improve coverage. 
  2. Follow the set-up manual that comes with the device.
  3. Call Suddenlink and inform them that you are changing network equipment. They will ask you for the MAC address for the device so they can activate it. You can find it at the bottom of the cable modem/gateway. 

Suddenlink a guide on its own that you can find here

You can call Suddenlink on this number when setting up your modem: 877-794-2724

Suddenlink Internet Plans

Suddenlink has three different internet speeds which they offer in their plans. Here, you can see what devices I recommend for each plan, with both an approved modem option and a compatible gateway option. 

Download SpeedUpload SpeedRecommended ModemRecommended Gateway
100 Mbps10 MbpsNetgear CM600Motorola MG7540
400 Mbps40 MbpsNetgear CM600Motorola MG7700
1000 Mbps50 MbpsMotorola MB8600Netgear Nighthawk C7800

You can always get a better device than the one I recommend. But I would not recommend getting a worse device, as then you most likely won’t get the speed you are paying for in your plan. 


Here are some common questions regarding Suddenlink and third-party modems and routers.

How do I reset my Suddenlink Modem or Router?

For a hard reset, press the little hidden button on the back of the device for 5-10 seconds using a toothpick or a needle. 

For a more detailed guide on other types of resets and when to perform them click here

How do I speed up my Suddenlink internet?

If you get the speed you are paying for, then you need to upgrade your plan. If you don’t get what your plan promises. Then I recommend you to check out this article on how to increase internet speed. 

What the difference between a modem and a router?

The cable modem modulates and demodulates the signals from your ISP. While the router distributes the internet in your home with Wi-Fi or ethernet. 

For a more in-depth overview, check out Router Vs. Modem – What the difference?

Bottom Line

Looking at the list of Suddenlink compatible modems. I have concluded that the Motorola MG7700 is the best modem for most Suddenlink customers with the 100 Mbps or 400 Mbps plan. 

This is because it’s a good value-for-money option that will provide you with a reliable internet connection.