Top 15 Best Cable Modems 2021 Reviews

A cable modem is a modem with a built-in network bridge, which provides two-way data transfer via cable.

Since telephone networks are designed to transmit only voice signals, their frequency range and bandwidth are rather limited.

A cable TV network is designed to transmit a full video image and has a significantly larger bandwidth.

The cable of television networks can provide services such as the Internet and multimedia at a very high speed.

Best Cable Modems Review:

15. Motorola 8×4 Cable Modem, Model MB7220

Motorola 8x4 Cable Modem, Model MB7220

This DOCSIS 3.0 cable modem gives 343 Mbps speed, which. A full-band capture numeric tuner procures a faster, more stable Internet.

The cable modem’s Ethernet slot connects to a computer, HDTV, game console, or wireless router.

But, this cable device does not have an inbuilt wireless router or VoIP telephone adaptor.

The device demands cable Internet service.

It is tested by Comcast XFINITY, Cox, BrightHouse, and other master cable service providers for modem proprietorship programs that usually save rental charges of $120 or more a year.

Installation is fast and easy with a few quick moves set out in a Quick Start guide.

Expert USA-based customer support technicians are ready to assist you with the product.

Features:

  • This cable modem provides a fast and stable Internet connection.
  • The installation is fast and easy.

14. NETGEAR CM1000 DOCSIS 3.1 Ultra-High Speed Cable Modem

NETGEAR CM1000 DOCSIS 3.1 Ultra-High Speed Cable Modem

With this item, you can remove monthly cable modem rental payouts – up to $120 every year. This is DOCSIS 3.1 Cable Modem together with 1 Gigabit Ethernet slot.

The modem gives up to 1.0Gbps download and uploads characteristics.

A separate router is needed for WiFi. DOCSIS 3.1 enables 10x faster download rates than DOCSIS 3.0.

The cable modem is excellent for streaming 4K UHD videos, the fastest downloads, and high-speed online games.

Required for the super-high-speed cable Internet speed levels. It works with Xfinity from Comcast, and it is not working with bundled voice services.

Features:

  • This cable modem provides a super-fast Internet connection.
  • You can save money with this product.

13. Zoom 8×4 Cable Modem, 343 Mbps DOCSIS 3.0, Model 5345

Zoom 8x4 Cable Modem, 343 Mbps DOCSIS 3.0, Model 5345

This 343 Mbps cable modem gives a high-speed Internet connection over cable by joining the modem’s 10-100-1000 Ethernet port to your PC.

Owning this cable modem liquidates modem rental fees from Comcast XFINITY and Time Warner Cable, as well as other cable service producers.

This 8×4 cable modem is equipped with eight downstream canals (four more than 4×4 models) and gives a higher medium download speed than 4×4 modems even when the maintenance speed is lower.

This cable modem’s highest speed is 343 Mbps.

Features:

  • This cable modem provides a fast and solid Internet connection.
  • Owning this cable modem can eliminate modem rental fees.

12. Zoom 16×4 Cable Modem, 686 Mbps DOCSIS 3.0, Model 5370

Zoom 16x4 Cable Modem, 686 Mbps DOCSIS 3.0, Model 5370

This 16×4 cable modem is equipped with sixteen downstream canals (twice more than 8X4 models) and gives a higher medium download speed than 4×4 or 8X4 models even when the maintenance speed is lower than this cable modem’s highest speed of 686 Mbps.

The modem operates with Windows and Macintosh and different Ethernet-capable machines and can also be utilized with wired and wireless routers.

A full-band grab digital tuner allows service providers to supply faster and more stable Internet.

With this modem goes US-based special support and a two-year warranty by Zoom Telephonics in Boston, Massachusetts.

The cable modem has dense and space-saving construction.

Features:

  • This cable modem is equipped with sixteen channels
  • The cable modem has space-saving construction.

11. ARRIS SURFboard SB6183 DOCSIS 3.0 Cable Modem

ARRIS SURFboard SB6183 DOCSIS 3.0 Cable Modem

ARRIS SURFboard SB6183 is a wired modem solely. It needs a cable internet service.

Mind that this device does not include a WiFi router or VOIP telephone adaptor.

The modem is tested by Comcast, Time Warner, Cox, and most minor regional cable services for 300+ Mbps plans.

The Internet goes up to 686 Mbps download and 140 Mbps upload depending on your cable ISP plan.

Gigabit Ethernet slot to connect to PC or router. 16 download & 4 upload bonded canals give you high characteristics of speed.

Features:

  • Many regional cable services tested the cable modem.
  • This cable modem has a high upload and download speed.

10. D-Link DCM-301 Docsis 3.0 Cable Modem 343 Mbs

D-Link DCM-301 Docsis 3.0 Cable Modem 343 Mbs

This cable modem can give you an outstanding performance. It has DOCSIS reconcilability and is fully consolidated with home services.

Get connected and remain connected with this high-quality device.

D-Link DCM-301 Docsis 3.0 has a modem only. The router is not present.

The modem is consistent with major US cable contractors, including Comcast, Time Warner, and others.

This cable modem is upwards 8 times faster than DOCSIS 2.0 with a high rate of 343Mbps.

Features:

  • The cable modem has an outstanding and stable performance.
  • This cable modem works well with many cable services.

9. ARRIS Touchstone Cable Modem CM820

ARRIS Touchstone Cable Modem CM820

ARRIS CM820 cable modem is equipped with 8×4 bonded downstream and upstream canals for superb throughput.

It also has a MoCA insensitivity filter. Two separate 96MHz wide RF tuners operate to receive downstream canals up to 1GHz.

With this device, you can meet or surpass industry radiated insensitivity and surge demands.

Please review with your ISP for compatibility in your apartment or office.

Features:

  • The cable modem speed is super-fast
  • This cable modem surpasses industry radiated insensitivity.

8. Motorola 16×4 Cable Modem, Model MB7420, 686 Mbps

Motorola 16x4 Cable Modem, Model MB7420, 686 Mbps

Motorola MB7420 is a stylish, small cable modem. Attractive design with minimal shelf space improves cooling and increases product living while looking excellent in any home or apartment.

A two-year warranty plus strong lightning and power surge contour protect your purchase.

The cable modem’s Ethernet slot connects to a PC, HDTV, game station, or wireless router.

Best of all, the MB7420 suggests the value, productivity, and attention to a fineness that continues to make Motorola one of the leading brands of cable devices.

Please mind that the MB7420 inserts easily into PCs, HDTVs, and other Ethernet-able devices, including any router of your selection, but the MB7420 does not have an inbuilt Wi-Fi router.

Motorola Model MG7310, for example, has both a cable device and an inbuilt router.

Features:

  • Attractive design with minimal shelf space.
  • This cable modem has great value and productivity.

7. Linksys Advanced DOCSIS 3.0

Linksys Advanced DOCSIS 3.0

The Linksys DPC3008 Cable Modem provides high-speed broad connectivity to your household and office with download speed parameters up to 340 Mb per second and upload speed up to 120 Mbps.

The Gigabit Ethernet slot provides high-speed network productivity, while DOCSIS 3.0 support grants you can connect right to your existing cable broad connection service.

Comcast-approved, the DPC3008’s easy setup lets you get connected quickly. It also lets you stop paying monthly modem-rental payments.

Approved by Comcast and compatible with a large number of major cable broadband services, the DPC3008 lets you save on monthly modem payments from your contractor.

It comes tooled with a variety of peculiarities that let you get the most from your broadband.

Features:

  • The cable modem has an easy setup.
  • It lets you stop paying monthly modem-rental payments.

6. Arris SURFboard SB6121 DOCSIS 3.0

Arris SURFboard SB6121 DOCSIS 3.0

Motorola’s SURFboard SB6121 gives you complete individual media experience at lightning-fast broad connection speed.

It harnesses DOCSIS 3.0 technology’s capacity to tie to four downstream canals and four upstream canals – providing you advanced multimedia services with info rates of more than 100 Mbps in every direction.

That does gaming, shopping, downloading, writing, high-quality voice and video conferencing, and person-to-person networking apps far more realistic, faster, and effective than ever until now.

The cable modem’s internet download speed is 172 Mbps, and upload speed is 140 Mbps grounded on your cable provider service.

Features:

  • The cable modem provides a stable Internet connection.
  • This cable is an excellent choice for doing a variety of things.

5. TP-Link DOCSIS 3.0 (16×4) High-Speed Cable Modem

TP-Link DOCSIS 3.0 (16x4) High-Speed Cable Modem

With this modem, you can take complete advantage of your internet provider: experience unceasing entertainment and seamless gap-free HD streaming and online gambling with a TP-Link premium speed cable device.

The cable modem provides you a 686Mbps download rate and a 143Mbps upload rate.

Faster overall capacity thanks to improved 16×4 channel bonding. The device also has a fast data transfer with a Gigabit Ethernet slot.

The device support IPv4 and IPv6, which are the most recent Internet standards.

The manufacturer gives a 2-year warranty and limitless 24/7 technical assist.

Features:

  • The cable modem provides a fast Internet connection.
  • This cable has a 2-year warranty.

4. ARRIS / Motorola SURFboard SB5101U

ARRIS Motorola SURFboard SB5101U

SURFboard SB5101U cable modem is consistent with main U.S. cable services. Internet download rate is 38 Mbps, and upload rate is 30 Mbps established on your cable provider service.

Front-pane LEDs indicate state and simplify troubleshooting. Verify with your internet service seller to determine modem compatibility.

This device is a modem solely, and it needs cable internet service.

Specially created architecture lets you install future upgrades.

10/100Base-T Ethernet provides you good speed; able to download at a speed more than 100 times faster than a simple 28.8Kbps analog phone modem.

Features:

  • The cable modem provides a stable Internet connection.
  • This cable modem doesn’t cost too much.
  • The product is easy to install.

3. ARRIS SURFboard SB6190

ARRIS SURFboard SB6190

SB6190 boosts your personal multimedia experience at a lightning-fast broadband rate.

It harnesses DOCSIS 3.0 technology’s capacity to tie to thirty-two downstream canals and eight upstream canals -giving you improved multimedia services with data velocity up to 1.4 Gbps download and 140 Mbps upload leaning on your cable internet provider.

That makes streaming HD Video, gambling, shopping, downloading, working, premium-quality voice and video consultation, and person-to-person networking applications far more realistic, faster, and effective than ever earlier.

The producer provides a 2-year warranty.

Features:

  • The cable modem provides a super-fast Internet connection.
  • This cable has a 2-year warranty.
  • This cable is an excellent choice for doing a variety of things online.

2. NETGEAR DOCSIS 3.0 340Mbps

NETGEAR DOCSIS 3.0 340Mbps

The NETGEAR CM400 high-speed cable modem grants a connection to high-speed cable Internet with a speed rate of up to 343Mbps.

CableLabs is licensed and features 8 downstream canals and 4 upstream canals, providing an effective and reliable Internet connection.

NETGEAR routers are studied to operate with most operating systems.

The subsequent list is an example of several of the operating systems that the device is compatible with:

Windows 8, Windows XP, Windows Vista, Windows 7.

This modem is an excellent choice for streaming FULL HD videos, faster download rates, and high-speed online gaming.

Features:

  • It operates with most operating systems.
  • This modem is an excellent choice for streaming and gaming.
  • The product has 8 downstream canals.

1. ARRIS SURFboard SB6141 DOCSIS 3.0

ARRIS SURFboard SB6141 DOCSIS 3.0

 

With ARRIS SURFboard SB6141, you can try a lightning-rapid Internet experience like no other.

The SURFboard SBG6700-AC has 3 products in itself. The first one is a Cable Modem; the second is a Wi-Fi Access Point, and the third is a 2-Port Gigabit Ethernet Router.

With a download rate up to 343 Mbps and a Wi-Fi speed rate up to 1600 Mbps, your online playing and video streaming will be outstanding!

It has the power of DOCSIS 3.0 technology to tie to 8 downstream canals and 4 upstream canals – giving you improved multimedia services with data speed up to 343Mbps download and 140Mbps upload relying on your cable internet provider contractor.

The manufacturer provides a 2-year warranty with US-based customer service.

Features:

  • It combines 3 products in itself.
  • The product has 2-Port Gigabit Ethernet Router.
  • It has a 2-year warranty with US-based customer service.
  • The modem has 8 downstream canals and 4 upstream canals.

How to Choose the Best Cable Modems? – A Buying Guide:

Best Cable Modems 2021 Reviews

To select the right cable modem, it is important that to look for some factors. Basically, these are your requirements that make the product the best.

You might be wondering?

What are the things that you should consider before buying cable modems? No need to worry about these factors.

Because here we give you the complete buying guide to buy the best cable modems.

We try to explain some factors that will help you to buy the right product.

So have a look at them.

Design:

The design of the best cable modem should be ergonomic. So that you can use it easily and access all its features without getting confused.

Usually, a cable modem does not have many features that you find difficult to differentiate.

It contains a set of the same indicator lights.

These lights are too bright that can light up the room at night. The main thing that you should consider is the size of the modem.

If you have a large area then you can select the large size modem cable as it will not bother you.

But for a small area, you should select a cable modem that has a compact size.

Because only a small cable modem will fit well with the small area.

Speed:

The speed of the modem cable matters if you want to build a fast connection.

A modem with a 16×4 size provides 1 download channel and four upload channels.

It works at 300 Mbps to give you the best services.

But if you want better speed than this, you should go for the modem with 24×8 or 32×8 size.

You can also use a DOCSIS 3.1-compatible model. But it will work only when you have an upgraded ISP standard.

Security:

While searching for the best cable modem, it is better that you check its security. Because normally modem provides the connection to communicate.

They do not provide security. Therefore your data remains vulnerable to hackers. If they want, they can easily hack your information.

Moreover, getting a secured cable modem is not enough. You should download the security software that works on your modem to protect the data.

So that in case your modem is vulnerable, you can still protect your information. Also, be careful while sharing your sensitive data over a cable modem.

Compatibility:

Not all the ISP works with every type of cable modem. So make sure your ISP works with the modem that you select.

Also, your cable modem is compatible with the devices that you connect with it.

You can check the cable modem compatibility of the following on different websites.

  • ISPs.
  • Spectrum.
  • COx.
  • Comcast.

Price and Warranty:

To save money, it is not important that you have to buy the cable modem at a low cost. By buying a costly cable modem you can save your money as well.

You must be thinking:

How can you save money by buying a costly cable modem?

The answer is when you buy a cheap quality cable modem at a low price it will get damaged in a short time.

And to complete your work you need to buy the new modem as soon as possible.

Buyin the new modem will cost you double the money. But if you buy the costly modem for the first time, it will work for a long time.

You do not have to buy the new modem as the precious one has more durability due to high quality. In this way, you will save your money.

Moreover, to save money you can buy a cable modem that has a  warranty.

In this case, you can refund all your money if the modem stops working within the specified time.

Frequently Asked Questions:

Here are some mostly asked questions about the cable modem. These are the general questions that clear concept about the modem.

So if you have any confusion you can have a look at these questions.

What is a cable modem?

It is a device that via cable tv allows high-speed data access. A simple cable modem comes with two connections.

One connection with the cable wall outlet. And the second connection with a computer.

How fast is a cable modem?

A cable modem comes with different speeds depending upon its size and features.

For the downstream, it can provide more than 36Mbps.

You can check the modem capacity before buying it.

So that you will know how much speed you will get on purchasing the specific cable modem.

Does the cable modem need to be updated?

Yes, you should update your cable modem frequently. Because technology has been increasing every day.

And new devices do not support the previous versions and cables.

To keep your connection efficient you should update the cable modem when you change the other connecting devices.

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Conclusion!

That’s all viewers, in conclusion, we will say for a good connection it is important that you select the right cable modem.

Read the buying guide carefully and remember these factors when you buy the modem.

Because they will help you to get what you want in a cable modem.

Also, update it frequently to maintain a good speed and stable connection.

Moreover, invest money only one time by getting a high-quality modem and enjoy sharing data without any difficulty.