20 Best Comcast High Speed Modem [2025]

Are you looking for the best Comcast High Speed Modem? Based on expert reviews, we ranked them. We've listed our top-ranked picks, including the top-selling Comcast High Speed Modem.

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1 Motorola MB8600 DOCSIS 3.1 Cable Modem - Approved for Comcast Xfinity, Cox, and Charter Spectrum,... Motorola MB8600 DOCSIS 3.1 Cable Modem - Approved for Comcast Xfinity, Cox, and Charter Spectrum,...
2 NETGEAR Cable Modem DOCSIS 3.0 (CM700-1AZNAS) Compatible with All Major Cable Providers Including... NETGEAR Cable Modem DOCSIS 3.0 (CM700-1AZNAS) Compatible with All Major Cable Providers Including...
3 NETGEAR Cable Modem CM700 - Compatible with all Cable Providers incl. Xfinity, Spectrum, Cox | For... NETGEAR Cable Modem CM700 - Compatible with all Cable Providers incl. Xfinity, Spectrum, Cox |...
4 Linksys High Speed DOCSIS 3.0 24x8 AC1900 Cable Modem Router, Certified for Xfinity by Comcast and... Linksys High Speed DOCSIS 3.0 24x8 AC1900 Cable Modem Router, Certified for Xfinity by Comcast...
5 Linksys High Speed DOCSIS 3.0 24x8 Cable Modem, for Comcast/Xfinity, Time Warner, Cox & Charter... Linksys High Speed DOCSIS 3.0 24x8 Cable Modem, for Comcast/Xfinity, Time Warner, Cox & Charter...
6 NETGEAR Cable Modem CM400 Compatible with Cable Providers Xfinity by Comcast, Spectrum, Cox | For... NETGEAR Cable Modem CM400 Compatible with Cable Providers Xfinity by Comcast, Spectrum, Cox | For...
7 Linksys High Speed DOCSIS 3.0 24x8 AC1900 Cable Modem Router, for Xfinity by Comcast and Spectrum by... Linksys High Speed DOCSIS 3.0 24x8 AC1900 Cable Modem Router, for Xfinity by Comcast and Spectrum...
8 Linksys CM3024 High Speed DOCSIS 3.0 24x8 Cable Modem, Certified for Comcast/Xfinity, Time Warner,... Linksys CM3024 High Speed DOCSIS 3.0 24x8 Cable Modem, Certified for Comcast/Xfinity, Time...
9 Amazon eero mesh WiFi router Amazon eero mesh WiFi router
10 NETGEAR Renewed C3700-100NAR C3700-NAR DOCSIS 3.0 WiFi Cable Modem Router with N600 8x4 Download... NETGEAR Renewed C3700-100NAR C3700-NAR DOCSIS 3.0 WiFi Cable Modem Router with N600 8x4 Download...
11 ARRIS SURFboard SB6121 4x4 DOCSIS 3.0 Cable Modem (Renewed)-Black ARRIS SURFboard SB6121 4x4 DOCSIS 3.0 Cable Modem (Renewed)-Black
12 Motorola MG8702 | DOCSIS 3.1 Cable Modem + Wi-Fi Router (High Speed Combo) with Intelligent Power... Motorola MG8702 | DOCSIS 3.1 Cable Modem + Wi-Fi Router (High Speed Combo) with Intelligent Power...
13 Motorola MT7711 24X8 Cable Modem/Router with Two Phone Ports, DOCSIS 3.0 Modem, and AC1900 Dual Band... Motorola MT7711 24X8 Cable Modem/Router with Two Phone Ports, DOCSIS 3.0 Modem, and AC1900 Dual...
14 NETGEAR Cable Modem Wi-Fi Router Combo C6250 - Compatible with All Cable Providers Including Xfinity... NETGEAR Cable Modem Wi-Fi Router Combo C6250 - Compatible with All Cable Providers Including...
15 Motorola MG7550 Modem WiFi Router Combo with Power Boost | Approved by Comcast Xfinity, Cox, Charter... Motorola MG7550 Modem WiFi Router Combo with Power Boost | Approved by Comcast Xfinity, Cox,...
16 NETGEAR Nighthawk Cable Modem WiFi Router Combo with Voice C7100V -  Supports Xfinity Cable & Voice... NETGEAR Nighthawk Cable Modem WiFi Router Combo with Voice C7100V -  Supports Xfinity Cable &...
17 Netgear Gigabit Cable Modem (32x8) DOCSIS 3.1 | for XFINITY by Comcast, Cox. Compatible with... Netgear Gigabit Cable Modem (32x8) DOCSIS 3.1 | for XFINITY by Comcast, Cox. Compatible with...
18 Netgear Nighthawk Cable Modem WiFi Router Combo C7000-Compatibility Cable Providers including... Netgear Nighthawk Cable Modem WiFi Router Combo C7000-Compatibility Cable Providers including...
19 MOTOROLA 16x4 Cable Modem, Model MB7420, 686 Mbps DOCSIS 3.0, Certified by Comcast XFINITY, Charter... MOTOROLA 16x4 Cable Modem, Model MB7420, 686 Mbps DOCSIS 3.0, Certified by Comcast XFINITY,...
SaleBestseller No. 1
Motorola MB8600 DOCSIS 3.1 Cable Modem - Approved for Comcast Xfinity, Cox, and Charter Spectrum,...
  • Top Internet Speeds for all Multi-gigabit Speed Tiers - Wirecutter recommends this model as the best cable modem for people using Gigabit Internet...
  • Save Money - Eliminate up to 168 dollars per year in cable modem rental fees (Savings are shown for Comcast Xfinity and vary by cable service...
  • Flexible Compatibility - Pair with any Wi-Fi router you’d like, including Whole Home Wi-Fi or Mesh routers like eero, Google Wi-Fi, and Orbi. A...
  • Proactive Network Security - A broadcom chipset provides advanced security from denial-of service attacks.
  • Active Queue Management (AQM) - AQM significantly reduces Internet latency on both DOCSIS 3.1 and 3.0 services, resulting in faster page loads for all...
Bestseller No. 2
NETGEAR Cable Modem DOCSIS 3.0 (CM700-1AZNAS) Compatible with All Major Cable Providers Including...
  • Compatible with all major cable internet providers: Including certification by Xfinity by Comcast, COX, and Spectrum. Not compatible with Verizon,...
  • Save monthly rental fees: Model CM700-1AZNAS replaces your cable modem saving you up to 168 Dollars/year in equipment rental fees.
  • Speeds by carrier: Xfinity (up to 800Mbps), Cox (up to 500Mbps), Spectrum (up to 400Mbps).
  • Works with any Wi-Fi router: Connect any Wi-Fi 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.
SaleBestseller No. 3
NETGEAR Cable Modem CM700 - Compatible with all Cable Providers incl. Xfinity, Spectrum, Cox | For...
  • Up to 1.4Gbps download and upload speed. Separate router required for WiFi. 32x8 channel bonding . Cable Broadband Internet service: Please check your...
Bestseller No. 4
Linksys High Speed DOCSIS 3.0 24x8 AC1900 Cable Modem Router, Certified for Xfinity by Comcast and...
  • Combines a AC1900 Wi Fi Router with DOCSIS 3.0 24x8 modem into a 2 in 1 space saving, high performance device
  • Eliminate monthly rental fees
  • Experience high speed Wi Fi speeds from your existing ISP plans up to 300 Mbps. Ample bandwidth for HD video streaming, online gaming, and other Wi Fi...
  • Simple plug and play setup: Get started right out of the box with no CD setup
  • Compatible with Comcast, Spectrum and Xfinity
Bestseller No. 5
Linksys High Speed DOCSIS 3.0 24x8 Cable Modem, for Comcast/Xfinity, Time Warner, Cox & Charter...
  • High Speed Cable Modem only, does not include telephone/voice ports
  • Experience high-speed Wi-Fi speeds from your existing ISP plans up to 300 Mbps Ideal for HD media streaming, simultaneous online gaming, web surfing...
  • Features Intel Puma 6 chipset to achieve high-speed downstream and upstream performance
  • Easy plug and play setup
SaleBestseller No. 6
NETGEAR Cable Modem CM400 Compatible with Cable Providers Xfinity by Comcast, Spectrum, Cox | For...
  • ELIMINATE MONTHLY CABLE MODEM RENTAL FEES - Up to $156 per year
  • DOCSIS 3. 0 Cable Modem with 1 Gigabit Ethernet port. One (1) Gigabit Ethernet port with auto-sensing technology
  • Up to 340Mbps download and upload speed. Separate router required for WiFi. 8x4 channel bonding.
  • DOCSIS 3. 0 unleashes 8x faster download speeds than DOCSIS 2. 0
  • Ideal for streaming HD videos, faster downloads, and high-speed online gaming
Bestseller No. 7
Linksys High Speed DOCSIS 3.0 24x8 AC1900 Cable Modem Router, for Xfinity by Comcast and Spectrum by...
  • Combines a AC1900 Wi-Fi Router with DOCSIS 3.0 24x8 modem into a 2-in-1 space saving, high-performance device
  • Eliminate monthly rental fees
  • Experience high-speed Wi-Fi speeds from your existing ISP plans up to 300 Mbps. Ample bandwidth for HD video streaming, online gaming, and other Wi-Fi...
  • Simple plug and play setup: Get started right out of the box with no CD setup
SaleBestseller No. 8
Linksys CM3024 High Speed DOCSIS 3.0 24x8 Cable Modem, Certified for Comcast/Xfinity, Time Warner,...
  • Compatible with Comcast Xfinity, Time Warner Cable, Charter, Cox, Cablevision, and more; Requires Cable Internet Service
  • Not compatible with: Verizon, AT&T, or CenturyLink
  • Cable Modem only (no WiFi router), Interfaces: Cable: F type female 75 ohm
  • Experience high speed Wi Fi speeds from your existing ISP plans up to 300 Mbps; Ideal for HD media streaming, simultaneous online gaming, web surfing...
  • Features Intel Puma 6 chipset to achieve high speed downstream and upstream performance
Bestseller No. 9
Amazon eero mesh WiFi router
  • FAST STANDALONE ROUTER - The eero mesh WiFi router brings up to 1,500 sq. ft. of fast, reliable WiFi to your home.
  • WORKS WITH ALEXA- With eero and an Alexa device (not included), you can easily manage wifi access for network profiles to take focus away from screens...
  • EASILY EXPAND YOUR SYSTEM - With cross-compatible hardware, you can add eero products as your needs change.
  • WORKS WITH YOUR INTERENT SERVICE PROVIDER- eero replaces your wifi router and works with most major internet service providers.
  • SET UP IN MINUTES - The eero app guides you through setup and allows you to manage your network from anywhere.
Bestseller No. 10
NETGEAR Renewed C3700-100NAR C3700-NAR DOCSIS 3.0 WiFi Cable Modem Router with N600 8x4 Download...
  • Netgear Certified Refurbished product is manufacturer refurbished to work and look as new with 90 Day Warranty and email support. All accessories are...
  • DOCSIS 3.0 cable modem unleashes 8x faster download speeds up to 340 Mbps faster, smoother WiFi, and works with all major cable Internet providers...
  • Certified to work with Cable Internet Providers like XFINITY from Comcast, Time Warner Cable, Cox, Cablevision, Bright House Networks, & More (Not...
  • 8x4 channel bonding with Gigabit Ethernet Ports for fast wired, connections USB port to wirelessly share your hard drive.Double firewall protection...
  • "Netgear Refurbished product may have a removed serial number. You will need to state the product is refurbished (state the full part number) if...
Bestseller No. 11
ARRIS SURFboard SB6121 4x4 DOCSIS 3.0 Cable Modem (Renewed)-Black
  • This Certified Refurbished product is manufacturer refurbished, shows limited or no wear, and includes all original accessories plus a 90-day...
  • Requires CABLE Internet Service, if not sure your provider is CABLE call them to confirm. Does NOT work with Charter cable provider.
  • Compatible with MOST Major CABLE providers like Comcast/Xfinity, Cox, Time Warner, Mediacom, Bright House.
  • Wired modem only, does NOT include WIFI Router or VOIP Telephone adapter. Gigabit Ethernet port to connect to computer or Router for fast downloads.
  • Internet download speeds up to 172 Mbps and upload speeds up to 131 Mbps based on your Cable provider service. Good for streaming Video and gaming on...
SaleBestseller No. 12
Motorola MG8702 | DOCSIS 3.1 Cable Modem + Wi-Fi Router (High Speed Combo) with Intelligent Power...
  • Instantly upgraded you WiFi performance with advanced tech all while saving up to $168 per year in rental fees by owning your cable modem.
  • Access the fastest cable internet plans available, with the future-proof performance of the DOCSIS 3.1 cable modem.
  • Includes a built-in high speed AC3200 WiFi router with Power Boost, Range Boost, and AnyBeam WiFi Beamforming for ultra fast, reliable WiFi.
  • Intelligent mobile app - Comes with a smart WiFi app for easy setup, guest network management, usage monitoring, speed testing, parental controls,...
  • Reliability you can count on - A worldwide leader in technology people depend on. Comes with 2-years of free expert support from our team
SaleBestseller No. 13
Motorola MT7711 24X8 Cable Modem/Router with Two Phone Ports, DOCSIS 3.0 Modem, and AC1900 Dual Band...
  • THREE-IN-ONE CABLE MODEM, AC1900 ROUTER, AND XFINITY COMPATIBLE VOICE PORTS - Includes 24X8 DOCSIS 3. 0 cable modem, AC1900 Dual Band (2. 4GHz and...
  • REQUIRES COMCAST XFINITY INTERNET SERVICE. Approved by and for use with Comcast Xfinity and Xfinity X1. This product will not work with any other...
  • ELIMINATE UP TO 156 Dollars IN CABLE MODEM RENTAL FEES PER YEAR – Say goodbye to monthly rental fees and landline phone costs.
  • BUILT-IN HIGH-SPEED ROUTER WITH AC1900 WIRELESS AND POWER BOOST - provides Internet access for WiFi devices including smartphones, notebooks, tablets,...
  • WIRELESS POWER BOOST FOR BETTER SPEED AND RANGE - adds high-performance WiFi power amplifiers to boost the wireless signals to the legal limit, giving...
SaleBestseller No. 14
NETGEAR Cable Modem Wi-Fi Router Combo C6250 - Compatible with All Cable Providers Including Xfinity...
  • COMPATIBLE WITH ALL MAJOR CABLE INTERNET PROVIDERS: Including certification by Xfinity by Comcast, COX, and Spectrum. NOT compatible with Verizon,...
  • SAVE MONTHLY RENTAL FEES: Model C6250 replaces your cable modem and WiFi router saving you up to $168/yr in equipment rental fees.
  • SPEEDS BY CARRIER: Spectrum (up to 300Mbps), Xfinity (up to 300Mbps), Cox (up to 250Mbps).
  • FAST WiFi PERFORMANCE: Get up to 1500 sq ft 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...
Bestseller No. 15
Motorola MG7550 Modem WiFi Router Combo with Power Boost | Approved by Comcast Xfinity, Cox, Charter...
  • 16x4 DOCSIS 3.0 cable modem plus a built-in AC1900 Dual Band (2.4 GHz and 5 GHz) WiFi Gigabit Router with four Gigabit (GigE) Ethernet ports, a...
  • Requires cable Internet service. Approved by and for use with Comcast Xfinity and Xfinity X1, Cox, Charter Spectrum, Time Warner Cable, Suddenlink,...
  • Built-in high-speed Wi-Fi router with AC1900 Wi-Fi, and Power Boost, and DFS provides Internet access for Wi-Fi devices including smartphones,...
  • Wireless Power Boost adds high-performance WiFi power amplifiers to boost the wireless signals to the legal limit, giving a significant boost in speed...
  • Integrating the cable modem and router creates a reliable connection that reduces unwieldy wiring and power adapter clutter while conserving desk...
SaleBestseller No. 16
NETGEAR Nighthawk Cable Modem WiFi Router Combo with Voice C7100V -  Supports Xfinity Cable & Voice...
  • Compatible with Xfinity Cable & Voice Plans up to 600Mbps speed.
  • Three-in-one DOCSIS 3.0 Cable Modem + AC1900 WiFi Router+ Xfinity Voice and 2 USB ports
  • DOCSIS 3.0 unleashes 24x faster download speeds than DOCSIS 2.0
  • Ideal for streaming 4K HD videos, faster downloads, and high-speed online gaming.Optional battery backup for power outages with up to 8 hours of...
  • 2 Voice over IP (VoIP) Ports and 4 Gagabit Ethernet Port.System Requirements:Microsoft Windows 7, 8, Vista, XP, 2000, Mac OS, UNIX, or Linux.Microsoft...
SaleBestseller No. 17
Netgear Gigabit Cable Modem (32x8) DOCSIS 3.1 | for XFINITY by Comcast, Cox. Compatible with...
  • 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 2x2+ DOCSIS 3. 0 32x8 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...
  • CM1000-1AZNAS is not compatible with: Verizon, AT&T, or CenturyLink. Not compatible with cable bundled voice services
Bestseller No. 18
Netgear Nighthawk Cable Modem WiFi Router Combo C7000-Compatibility Cable Providers including...
  • input voltage:120 -240V
  • COMPATIBLE WITH ALL MAJOR CABLE INTERNET PROVIDERS: Including certification by Xfinity by Comcast, COX, and Spectrum. NOT compatible with Verizon,...
  • SAVE MONTHLY RENTAL FEES: Model C7000 replaces your cable modem and WiFi router saving you up to $150/yr in equipment rental fees. System Requirements...
  • BUILT FOR FAST SPEED: Best for cable provider plans up to 400 Mbps speed
  • FAST Wi Fi PERFORMANCE: Get up to 1800 sq ft wireless coverage and 30 devices connected with AC1900 speed (up to 1900 Mbps)
Bestseller No. 19
MOTOROLA 16x4 Cable Modem, Model MB7420, 686 Mbps DOCSIS 3.0, Certified by Comcast XFINITY, Charter...
  • This 16x4 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...
  • 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...
  • Requires cable Internet service. Certified by Comcast XFINITY for residential speeds up to Extreme 300, by Comcast Business for speeds up to Deluxe...
  • 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...

Having trouble finding a great Comcast High Speed Modem?

This problem is well understood by us because we have gone through the entire Comcast High Speed Modem research process ourselves, which is why we have put together a comprehensive list of the best Comcast High Speed Modems available in the market today.

After hours of searching and using all the models on the market, we have found the best Comcast High Speed Modem for 2023. See our ranking below!

How Do You Buy The Best Comcast High Speed Modem?

Do you get stressed out thinking about shopping for a great Comcast High Speed Modem? Do doubts keep creeping into your mind?

We understand, because we’ve already gone through the whole process of researching Comcast High Speed Modem, which is why we have assembled a comprehensive list of the greatest Comcast High Speed Modem available in the current market. We’ve also come up with a list of questions that you probably have yourself.

John Harvards has done the best we can with our thoughts and recommendations, but it’s still crucial that you do thorough research on your own for Comcast High Speed Modem that you consider buying. Your questions might include the following:

  • Is it worth buying an Comcast High Speed Modem?
  • What benefits are there with buying an Comcast High Speed Modem?
  • What factors deserve consideration when shopping for an effective Comcast High Speed Modem?
  • Why is it crucial to invest in any Comcast High Speed Modem, much less the best one?
  • Which Comcast High Speed Modem are good in the current market?
  • Where can you find information like this about Comcast High Speed Modem?

We’re convinced that you likely have far more questions than just these regarding Comcast High Speed Modem, and the only real way to satisfy your need for knowledge is to get information from as many reputable online sources as you possibly can.

Potential sources can include buying guides for Comcast High Speed Modem, rating websites, word-of-mouth testimonials, online forums, and product reviews. Thorough and mindful research is crucial to making sure you get your hands on the best-possible Comcast High Speed Modem. Make sure that you are only using trustworthy and credible websites and sources.

John Harvards provides an Comcast High Speed Modem buying guide, and the information is totally objective and authentic. We employ both AI and big data in proofreading the collected information.

How did we create this buying guide? We did it using a custom-created selection of algorithms that lets us manifest a top-10 list of the best available Comcast High Speed Modem currently available on the market.

This technology we use to assemble our list depends on a variety of factors, including but not limited to the following:

  1. Brand Value: Every brand of Comcast High Speed Modem has a value all its own. Most brands offer some sort of unique selling proposition that’s supposed to bring something different to the table than their competitors.
  2. Features: What bells and whistles matter for an Comcast High Speed Modem?
  3. Specifications: How powerful they are can be measured.
  4. Product Value: This simply is how much bang for the buck you get from your Comcast High Speed Modem.
  5. Customer Ratings: Number ratings grade Comcast High Speed Modem objectively.
  6. Customer Reviews: Closely related to ratings, these paragraphs give you first-hand and detailed information from real-world users about their Comcast High Speed Modem.
  7. Product Quality: You don’t always get what you pay for with an Comcast High Speed Modem, sometimes less, and sometimes more.
  8. Product Reliability: How sturdy and durable an Comcast High Speed Modem is should be an indication of how long it will work out for you.

John Harvards always remembers that maintaining Comcast High Speed Modem information to stay current is a top priority, which is why we are constantly updating our websites. Learn more about us using online sources.

If you think that anything we present here regarding Comcast High Speed Modem is irrelevant, incorrect, misleading, or erroneous, then please let us know promptly!

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FAQ:

Q: What is the best cable modem compatible with Comcast?

A: MOTOROLA MT7711 24X8 Cable Modem/Router. The first thing I want to mention about this specific product is that it is one of the Comcast approved modems that was designed … ARRIS SURFboard SB8200 Docsis 3.1 Gigabit Speed Cable Modem. I’ve picked another model from the Xfinity approved modems to present you. … NETGEAR Cable Modem CM600. …

Q: What modem does Comcast recommend?

A: – Superfast 8×4 bonded channels – IPv6 compatibility for connecting smart devices – Intel Puma 5 chipset – Compact modem

Q: What is the best router to use with Comcast?

A: – Docsis 3.1 technology – Gigabit dual-band router – 32 x 8 channels bonding – Range of up to 2500 Sq Ft – Sleek design with LED indicators – Connects easily with all devices

Q: What modems work with Comcast?

A: ARRIS SURFboard SBG10. If you need a modem router combo for Comcast,check this option. … ARRIS SURFboard SBG8300. This is a wonderful choice for those who want the best modem router combo for Comcast. … NETGEAR Nighthawk CAX80. This modem&router unit offers DOCSIS 3.1 and supports Internet speeds up to 2Gbps. … Arris SURFboard Docsis 3.0. … Motorola MT7711. …