Aug 21, 2020

Best Cable Modems Review & Buyer’s Guide 2021

In this review, we have reviewed the best cable modems available in the market as per today. We have also included a comprehensive guide that helps you pick the most appropriate model. Additionally, going through the top 10 cable modems reviews will help you narrow down your choice of the most appropriate choice that fits your need.

In a Hurry !! and want a quick review here is our editors pick

Editor’s Pick

MOTOROLA MB7621 Approved Spectrum Downloads

Top 10 cable modems

IMAGE PRODUCT Rating

4.3 out of 5 stars, 694 customer reviews Check Best Price

4.3 out of 5 stars, 694 customer reviews Check Best Price

4.2 out of 5 stars, 1327 customer reviews Check Best Price

4.2 out of 5 stars, 2578 customer reviews Check Best Price

4.5 out of 5 stars, 822 customer reviews Check Best Price

4.2 out of 5 stars, 8640 customer reviews Check Best Price

4.3 out of 5 stars, 2060 customer reviews Check Best Price

4.2 out of 5 stars, 3907 customer reviews Check Best Price

4.4 out of 5 stars, 196 customer reviews Check Best Price

3.8 out of 5 stars, 9608 customer reviews Check Best Price

Best cable modems

1. MOTOROLA MB7621 Approved Spectrum Downloads

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MOTOROLA MB7621 Approved Spectrum Downloads
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  • Model MB7621 is recommended for actual cable Internet service speeds up to 650 Mbps. Wirecutter rates this “the best modem for most people.” A Full-Band Capture Digital Tuner ensures faster, more reliable Internet.
  • This cable modem’s one Gigabit Ethernet port connects to a WiFi router, computer, HDTV, game station, or streaming video device. Great for use with Whole Home WiFi or Mesh networks like eero, Google WiFi, and Orbi. (This cable modem does not have a built-in wireless router or telephone call capability. The Motorola MG7315, MG7540, MG7550, and MG7700 have a built-in wireless router.)
  • Requires cable Internet service.Approved by and for use with Comcast Xfinity and Xfinity X1, Cox, Charter Spectrum, Time Warner Cable, BrightHouse, CableOne, SuddenLink, RCN, and other cable service providers. ELIMINATE CABLE MODEM RENTAL FEES UP TO 156 DOLLARS PER YEAR.(Savings are shown for Xfinity and vary by cable service provider. No cable modem is compatible with fiber optic, DSL, or satellite services from Verizon, AT&T, CenturyLink, Frontier, and others. Model MB7621 has no phone jack.)
  • Setup is fast and easy using the Quick Start guide. Experienced USA-based Motorola customer support specialists are happy to help if you need them. Support is in English or Spanish.
  • Attractive, compact design minimizes shelf space, improves cooling, and extends product life while looking great in any home or office. A two-year warranty plus rugged lightning and power surge circuits protect your investment. Includes phone and web support by friendly, professional USA-based technical support specialists.

2. MOTOROLA MB7621 Approved Spectrum Downloads

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MOTOROLA MB7621 Approved Spectrum Downloads
  • Make sure this fits
    by entering your model number.
  • Model MB7621 is recommended for actual cable Internet service speeds up to 650 Mbps. Wirecutter rates this “the best modem for most people.” A Full-Band Capture Digital Tuner ensures faster, more reliable Internet.
  • This cable modem’s one Gigabit Ethernet port connects to a WiFi router, computer, HDTV, game station, or streaming video device. Great for use with Whole Home WiFi or Mesh networks like eero, Google WiFi, and Orbi. (This cable modem does not have a built-in wireless router or telephone call capability. The Motorola MG7315, MG7540, MG7550, and MG7700 have a built-in wireless router.)
  • Requires cable Internet service.Approved by and for use with Comcast Xfinity and Xfinity X1, Cox, Charter Spectrum, Time Warner Cable, BrightHouse, CableOne, SuddenLink, RCN, and other cable service providers. ELIMINATE CABLE MODEM RENTAL FEES UP TO 156 DOLLARS PER YEAR.(Savings are shown for Xfinity and vary by cable service provider. No cable modem is compatible with fiber optic, DSL, or satellite services from Verizon, AT&T, CenturyLink, Frontier, and others. Model MB7621 has no phone jack.)
  • Setup is fast and easy using the Quick Start guide. Experienced USA-based Motorola customer support specialists are happy to help if you need them. Support is in English or Spanish.
  • Attractive, compact design minimizes shelf space, improves cooling, and extends product life while looking great in any home or office. A two-year warranty plus rugged lightning and power surge circuits protect your investment. Includes phone and web support by friendly, professional USA-based technical support specialists.

3. MOTOROLA Approved Comcast Gigablast MB8600

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MOTOROLA Approved Comcast Gigablast MB8600
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  • TOP INTERNET SPEEDS FOR ALL CABLE INTERNET SERVICES – Wirecutter recommends this as the best cable modem for people using Gigabit Internet plans. Built-in DOCSIS 3.1 and DOCSIS 3.0 32×8 capabilities give top Internet speeds for all cable Internet services, from the slowest to the fastest.
  • ELIMINATE UP TO 156 DOLLARS PER YEAR IN CABLE MODEM RENTAL FEES. (Savings are shown for Comcast Xfinity and vary by cable service provider.) Approved by Comcast Xfinity and Xfinity X1, Cox, and CableOne for all speeds including Comcast Gigabit services and Cox Gigablast. Not compatible with RCN. No cable modem is compatible with fiber optic, DSL, or satellite services, available from Verizon, AT&T, CenturyLink, Frontier, and others.)
  • WORKS WITH ANY WiFi ROUTER YOU LIKE – including Whole Home WiFi or Mesh routers like eero, Google WiFi, and Orbi. This cable modem does NOT have a built-in wireless router or telephone call capability.
  • A BROADCOM CHIPSET PROVIDES SECURITY FROM DENIAL OF SERVICE ATTACKS – a 10/100/1000 Gigabit Ethernet port allows connection of any SINGLE device with an Ethernet port including a router, Windows or Mac computer, HDTV, or game station.
  • ACTIVE QUEUE MANAGEMENT (AQM) SIGNIFICANTLY REDUCES INTERNET LATENCY – on both DOCSIS 3.1 and 3.0 services. AQM results in faster page loads for all Web traffic and greatly enhances interactive applications like online gaming and video conferencing. The MB8600 also includes a full-band capture digital tuner to enhance speed and save energy.

4. ARRIS SURFboard Approved SB8200 Frustration

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ARRIS SURFboard Approved SB8200 Frustration
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  • Approved for use with Cox, spectrum and Xfinity
  • Not compatible with: Verizon, AT&T, or CenturyLink. Not compatible with bundled voice services.
  • Cable Modem only (no Wi-Fi router). compatible with major U. S Cable Providers. Supports IPv4 and IPv6 internet browsing standards
  • Docsis 3. 1 cable Modem, The newest technology being offered by cable internet Providers. Backward compatible with DOCSIS 3. 0.
  • 32 DOWNLOAD and 8 UPLOAD channels. Best for 300 Mbps internet plans and above! Perfect for streaming 4K HD video and online gaming. Up to 10+ Gaps DOCSIS 3. 1 DOWNLOAD speeds
  • Gigabit Ethernet ports. Create 2 Home networks, both capable of Gigabit speeds. (Note, Cox cable does not support activation of 2nd Ethernet port)

5. MOTOROLA Certified Comcast BrightHouse Wireless

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MOTOROLA Certified Comcast BrightHouse Wireless
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  • This 8×4 DOCSIS 3.0 cable modem provides speeds up to 343 Mbps, eight times faster than DOCSIS 2.0. A Full-Band Capture digital tuner ensures a faster, more reliable Internet.
  • Cable modem’s Ethernet port connects to a computer, HDTV, game station, or wireless router. (This cable modem does not have a built-in wireless router or VoIP telephone adapter. The Motorola MG7310, MG7315, and MG7550 have a built-in wireless router.)
  • Requires cable Internet service. Certified by Comcast XFINITY, Time Warner Cable, Cox, BrightHouse, and other leading cable service providers for modem ownership programs that typically save rental charges of $120 or more per year
  • Setup is fast and easy with a few quick steps set out in a Quick Start guide. Experienced USA-based customer support specialists are there to help if you need them.
  • Attractive, compact design minimizes shelf space, improves cooling, and extends product life while looking great in any home or office. A two-year warranty plus rugged lightning and power surge circuits protect your investment.

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6. NETGEAR Cable Modem CM700 Compatible

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NETGEAR Cable Modem CM700 Compatible
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  • COMPATIBLE WITH ALL MAJOR CABLE INTERNET PROVIDERS: Including certification by Xfinity by Comcast, COX, and Spectrum. NOT compatible with Verizon, AT&T, CenturyLink, DSL providers, DirecTV, DISH and any bundled voice service
  • SAVE MONTHLY RENTAL FEES: Model CM700 replaces your cable modem saving you up to $150/yr in equipment rental fees
  • BUILT FOR SUPER FAST SPEED: Best for cable provider plans up to 500 Mbps speed
  • WORKS WITH ANY WiFi ROUTER: Connect any WiFi router to this modem’s ethernet port to support all your wireless devices
  • ETHERNET CONNECTIONS: 1 Gigabit Ethernet port connects to your computer or separate Wi Fi router
  • MODEM TECHNOLOGY: Engineered with 32×8 channel bonding and DOCSIS 3.0

7. MOTOROLA Certified Comcast Spectrum BrightHouse

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MOTOROLA Certified Comcast Spectrum BrightHouse
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    by entering your model number.
  • This 16×4 DOCSIS 3.0 cable modem provides speeds up to 686 Mbps, sixteen times faster than DOCSIS 2.0. A Full-Band Capture digital tuner ensures a faster, more reliable Internet.
  • Cable modem’s Ethernet port connects to a computer, HDTV, game station, or wireless router. (This Model MB7420 cable modem does NOT have a built-in wireless router and does NOT have a telephone adapter or phone jack. The Motorola MG7310, MG7315, MG7540 and MG7550 have a built-in wireless router.)
  • Requires cable Internet service. Certified by Comcast XFINITY for residential speeds up to Extreme 300, by Comcast Business for speeds up to Deluxe 250, Time Warner Cable, Cox, Charter Spectrum, BrightHouse, and other leading cable service providers for modem ownership programs that typically save rental charges of $120 or more per year
  • Setup is fast and easy with a few quick steps set out in a Quick Start guide. Experienced USA-based customer support specialists are there to help if you need them.
  • Attractive, compact design minimizes shelf space, improves cooling, and extends product life while looking great in any home or office. A two-year warranty plus rugged lightning and power surge circuits protect your investment.

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8. NETGEAR Cable Modem Router Combo

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NETGEAR Cable Modem Router Combo
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  • COMPATIBLE WITH ALL MAJOR CABLE INTERNET PROVIDERS: Including certification by Xfinity by Comcast, COX, and Spectrum. NOT compatible with Verizon, AT&T, CenturyLink, DSL providers, DirecTV, DISH and any bundled voice service
  • SAVE MONTHLY RENTAL FEES: Model C6250 replaces your cable modem and WiFi router saving you up to $150/yr in equipment rental fees
  • BUILT FOR FAST SPEED: Best for cable provider plans up to 300 Mbps speed
  • FAST WiFi PERFORMANCE: Get up to 1500 square feet wireless coverage and 25 devices connected with AC1600 speed (up to 1600 Mbps)
  • VERSATILE CONNECTIONS: 2 Gigabit Ethernet ports and 1 USB port give you fast wired connections to your computer, printer, game box, storage drive, and other devices
  • MODEM TECHNOLOGY: Engineered with 16×4 channel bonding and DOCSIS 3.0
  • SAFE & SECURE: Includes parental controls, and supports WEP and WPA/WPA2 wireless security protocols

9. NETGEAR Gigabit XFINITY Compatible Gig Speed

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NETGEAR Gigabit XFINITY Compatible Gig Speed
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  • Support all cable internet speed tiers, up to Gigabit (1000 Mbps) service. Separate router required for Wi-Fi
  • Docsis 3. 1 up to 10x faster download speeds than DOCSIS 3. 0. Docsis 3. 1 is OFDM 2×2+ DOCSIS 3. 0 32×8 channel bonding
  • Eliminate monthly cable Modem rental fees – up to $156 per year. Meets DOCSIS 3. 1 specifications and is backward compatible with DOCSIS 3. 0 networks
  • System Requirements- Cable broadband Internet service, Please check your cable Internet service provider web site for data speed tier compatibility and to ensure it provides DOCSIS 3.1 service, otherwise this modem will only work as a DOCSIS 3.0 modem,Microsoft Windows 7, 8, 10, Vista, XP, 2000, Mac OS, or other operating systems running a TCP/IP network, Microsoft Internet Explorer 5.0, Firefox 2.0, Safari 1.4, or Google Chrome 11.0 browsers or higher
  • CM1000-1AZNAS is not compatible with: Verizon, AT&T, or CenturyLink. Not compatible with cable bundled voice services

10. NETGEAR Certified Xfinity Comcast Spectrum

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NETGEAR Certified Xfinity Comcast Spectrum
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  • ELIMINATE MONTHLY CABLE MODEM RENTAL FEES Up to $120 per year
  • Two in One DOCSIS 3.0 Cable Modem + WiFi Router with 2 Gigabit Ethernet ports and 1 USB 2.0 port.System Requirements Microsoft Windows 7, 8, Vista, XP, 2000, Mac OS, or other operating systems running a TCP/IP network. Microsoft Internet Explorer 5.0, Firefox 2.0, Safari 1.4, or Google Chrome 11.0 browsers or higher
  • Up to 340Mbps modem speed and Dual Band N450 (2.4GHz & 5GHz) WiFi speed. 8×4 channel bonding, Denial of Service (DoS) attack prevention
  • DOCSIS 3.0 unleashes 8x faster download speeds than DOCSIS 2.0
  • Ideal for streaming HD videos, faster downloads, and high speed online gaming
  • Required for the fastest cable Internet speed tiers.Use with an N300 adapter like NETGEAR WNA3100 for maximum performance
  • Compatibe with Xfinity from Comcast, Spectrum, Cox, & more. Not compatible with bundled voice services..Wifi technology:802.11n Dual Band Gigabit

Final Verdict

So those were some of the cable modems in market. Overall, all of these cable modems come with their uniqueness. And all of them has its own features. So go ahead and check all of them and see which one is working the best for you. Then compare the cable modems and see which one is the best option for you. Also, if you have any more questions to ask. Then do feel free to comment below and I will surely help you with your question.