Best Modem For Comcast Gigabit 2023: Best Reviews Guide

Vito Nienow
  Nov 30, 2023 10:50 AM

A Best modem for comcast gigabit is a device that enables high-speed internet access. It is used by customers to connect to Comcast’s high-speed internet service. This type of modem typically provides download speeds of up to 1 Gbps (Gigabit per second).

The modem is able to process data from the internet at an incredibly fast rate, allowing users to enjoy faster web browsing, streaming, gaming and downloading. The modem also supports advanced features such as Quality of Service (QoS) for prioritizing different types of internet traffic, as well as advanced Wi-Fi technology for extended coverage and improved performance. With a modem for Comcast Gigabit, customers can enjoy an incredibly fast and reliable internet connection.

Best Modem For Comcast Gigabit 2023: Best Reviews Guide
The best modem for Comcast Gigabit is the Netgear CM1000 Ultra-High Speed Cable Modem.. Image source: Amazon.com
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1ARRIS Surfboard S33 DOCSIS 3.1 Multi-Gigabit Cable Modem | Approved for Comcast Xfinity, Cox, Spectrum & More | 1 & 2.5 Gbps Ports | 2.5 Gbps Max Internet Speeds | 4 OFDM Channels | 2 Year WarrantyARRIS Surfboard S33 DOCSIS 3.1 Multi-Gigabit Cable Modem9Check Price
2ARRIS SURFboard SB8200 DOCSIS 3.1 Cable Modem | Approved for Comcast Xfinity, Cox, Charter Spectrum, & more | Two 1 Gbps Ports | 1 Gbps Max Internet Speeds | 4 OFDM Channels | 2 Year Warranty,WhiteARRIS SURFboard SB8200 DOCSIS 3.1 Cable Modem9Check Price
3NETGEAR Nighthawk Cable Modem CM1200 - Compatible with all Cable Providers including Xfinity by Comcast, Spectrum, Cox | For Cable Plans Up to 2 Gigabits | 4 x 1G Ethernet ports | DOCSIS 3.1, BlackNETGEAR Nighthawk Cable Modem CM12008.8Check Price
4Motorola MB8611 DOCSIS 3.1 Multi-Gig Cable Modem | Pairs with Any WiFi Router | Approved for Comcast Xfinity, Cox Gigablast, Spectrum | 2.5 Gbps Port | 2500 Mbps Max Internet SpeedsMotorola MB8611 DOCSIS 3.1 Multi-Gig Cable Modem8.8Check Price
5ARRIS SURFboard SB6190 DOCSIS 3.0 32 x 8 Gigabit Cable Modem | Comcast Xfinity, Cox, Spectrum | 1 Gbps Port | 800 Mbps Max Internet Speeds | Easy Set-up SURFboard Central App | 2 Year WarrantyARRIS SURFboard SB6190 DOCSIS 3.0 32 x 8 Gigabit Cable Modem8.8Check Price
ARRIS Surfboard S33 DOCSIS 3.1 Multi-Gigabit Cable Modem | Approved for Comcast Xfinity, Cox, Spectrum & More | 1 & 2.5 Gbps Ports | 2.5 Gbps Max Internet Speeds | 4 OFDM Channels | 2 Year Warranty
ARRIS Surfboard S33 DOCSIS 3.1 Multi-Gigabit Cable Modem
Model: ARRIS S33
Dimensions: 4.74 x 5.14 x 1.8 Inches
Warranty: 2 year limited warranty
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Verdict


The ARRIS SURFboard S33 DOCSIS 3.1 Cable Modem is a great choice for those looking for a modem that provides superior connectivity, faster streaming and downloading, and cost savings from avoiding rental fees. It is compatible with most U.S. cable internet service providers and is approved for speeds up to 2.5-Gbps.



Specs



  • DOCSIS 3.1 technology

  • Approved for cable internet speed plans up to 2.5-Gbps

  • Compatible with most U.S. cable internet service providers

  • 1 2.5-Gigabit ethernet port and 1 1-Gigabit ethernet port

  • 32 downstream x 8 upstream DOCSIS 3.0 bonded channels

  • 2-Year Limited Warranty



Pros



  • Superior connectivity

  • Faster streaming and downloading

  • Cost savings from avoiding rental fees

  • Compatible with most U.S. cable internet service providers

  • 2-Year Limited Warranty



Cons



  • Not compatible with all U.S. cable internet service providers

ARRIS SURFboard SB8200 DOCSIS 3.1 Cable Modem | Approved for Comcast Xfinity, Cox, Charter Spectrum, & more | Two 1 Gbps Ports | 1 Gbps Max Internet Speeds | 4 OFDM Channels | 2 Year Warranty,White
ARRIS SURFboard SB8200 DOCSIS 3.1 Cable Modem
Model: ARRIS SB8200
Color: White
Dimensions: 5 x 5 x 2 Inches
Warranty: 2 year Limited Warranty
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Verdict


The ARRIS SURFboard SB8200 DOCSIS 3.1 Cable Modem is an excellent choice for those looking for a reliable and fast cable modem that is compatible with major US cable internet providers. It features DOCSIS 3.1 technology, which is 10x faster than DOCSIS 3.0, and is approved for cable internet speed plans up to 1-Gbps.



Specs



  • DOCSIS 3.1 technology

  • Compatible with major US cable internet providers

  • Approved for cable internet speed plans up to 1-Gbps

  • Two 1-Gigabit ethernet ports

  • Live Chat and Phone Support

  • 2-Year Limited Warranty



Pros



  • Saves money on cable modem rental fees

  • 10x faster than DOCSIS 3.0

  • Better security

  • Reduces lag while gaming

  • Easy setup

  • Dedicated customer support



Cons


None reported.

NETGEAR Nighthawk Cable Modem CM1200 - Compatible with all Cable Providers including Xfinity by Comcast, Spectrum, Cox | For Cable Plans Up to 2 Gigabits | 4 x 1G Ethernet ports | DOCSIS 3.1, Black
NETGEAR Nighthawk Cable Modem CM1200
Model: NETGEAR CM1200-100NAS
Color: Black
Dimensions: 10.3 x 6.1 x 3.4 Inches
Warranty: 1-year warranty
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Verdict


The NETGEAR Nighthawk Cable Modem CM1200 is a great option for those looking for a high-speed cable modem that is compatible with all major cable internet providers. It offers speeds up to 2Gbps and has four Gigabit Ethernet ports for connecting devices. This modem also helps to save on rental fees and is engineered with 32x8 channel bonding, OFDM 2x2, and DOCSIS 3.1.



Specs


Compatible with all major cable internet providers with internet speed up to 2Gbps. Currently certified with Spectrum and Cox (up to 1Gbps) and Xfinity (up to 800Mbps). Future speeds with these service providers may change over time. Not compatible with Verizon, AT&T, CenturyLink, DSL providers, DirecTV, DISH and any bundled voice service. Four (4) Gigabit Ethernet ports. Modem technology: 32x8 channel bonding, OFDM 2x2, and DOCSIS 3.1. Multi-gig ethernet: Link aggregation combines two 1G ports into one 2G port for faster wired ethernet speed.



Pros



  • Compatible with all major cable internet providers.

  • Four (4) Gigabit Ethernet ports.

  • Engineered with 32x8 channel bonding, OFDM 2x2, and DOCSIS 3.1.

  • Multi-gig ethernet: Link aggregation combines two 1G ports into one 2G port for faster wired ethernet speed.

  • Save monthly rental fees.

  • Works with any WiFi router.



Cons



  • Not compatible with Cable bundled voice services.

Motorola MB8611 DOCSIS 3.1 Multi-Gig Cable Modem | Pairs with Any WiFi Router | Approved for Comcast Xfinity, Cox Gigablast, Spectrum | 2.5 Gbps Port | 2500 Mbps Max Internet Speeds
Motorola MB8611 DOCSIS 3.1 Multi-Gig Cable Modem
Model: Motorola MB8611
Color: Black
Dimensions: 7.88 x 0 x 7.25 Inches
Warranty: Manufacturer warranty for 2 years from date of purchase
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Verdict


The Motorola MB8611 DOCSIS 3.1 Multi-Gig Cable Modem is a reliable and cost-effective modem that provides ultra-fast performance and improved app performance for streaming, gaming, and conferencing.



Specs



  • DOCSIS 3.1 performance

  • Compatible with any WiFi router

  • 2.5 GB Ethernet port

  • Active Queue Management (AQM)



Pros



  • Ultra-fast performance

  • Compatible with multiple providers

  • Multi-gigabit Ethernet speed

  • Improved app performance

  • Cost savings

  • Built for reliability



Cons


This cable modem does not have a built-in wireless router or telephone call capability.

ARRIS SURFboard SB6190 DOCSIS 3.0 32 x 8 Gigabit Cable Modem | Comcast Xfinity, Cox, Spectrum | 1 Gbps Port | 800 Mbps Max Internet Speeds | Easy Set-up SURFboard Central App | 2 Year Warranty
ARRIS SURFboard SB6190 DOCSIS 3.0 32 x 8 Gigabit Cable Modem
Model: ARRIS SB6190
Color: Black
Dimensions: 5.13 x 5.25 x 1.75 Inches
Warranty: 2 Year Limited Warranty
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Verdict


The ARRIS SURFboard SB6190 DOCSIS 3.0 Cable Modem is a great option for those who want to save on their cable bills and get fast and reliable internet speeds. This modem is compatible with most major U.S. cable internet providers and is approved for speeds up to 800 Mbps. The modem is easy to set up and comes with two-year warranty.



Specs


The ARRIS SURFboard SB6190 DOCSIS 3.0 Cable Modem is designed to provide faster streaming and downloading throughout your home. It is certified for use with most U.S. cable internet service providers and is approved for cable internet speed plans up to 800 Mbps. The modem comes with one 1-Gigabit Ethernet port to connect to a Wi-Fi router or other wired device.



Pros



  • Trusted brand with over 260 million modems sold and growing.

  • Save money by owning your modem and reducing your cable bill up to $168 dollars per year in cable modem rental fees.

  • DOCSIS 3.0 technology provides reliable and affordable high speed internet.

  • Easy and secure set-up with the SURFboard Central App.

  • Compatible with major U.S. cable internet providers.

  • Comes with two-year warranty.



Cons



  • Compatibility with cable internet providers varies, so check with your ISP first.

  • Only has one 1-Gigabit Ethernet port.

Netgear Gigabit Cable Modem (32x8) DOCSIS 3.1 | for XFINITY by Comcast, Cox. Compatible with Gig-Speed from Xfinity - CM1000-1AZNAS (Renewed)
Netgear Gigabit Cable Modem
Model: NETGEAR CM1000-100NAS
Dimensions: 4.53 x 10.24 x 7.24 Inches
Warranty: 90 days limited warranty
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  • CM1000-1AZNAS is not compatible with: Verizon, AT&T, or CenturyLink. Not compatible with cable bundled voice services
  • 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  more
Motorola MG7700 Modem WiFi Router Combo with Power Boost | Approved by Comcast Xfinity, Cox and Spectrum | for Cable Plans Up to 800 Mbps | DOCSIS 3.0 + Gigabit Router
Motorola MG7700 Modem WiFi Router Combo
Model: Motorola MG7700
Color: Black
Dimensions: 9 x 8.6 x 2.6 Inches
Warranty: 2 year manufacturer
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  • Wireless power boost for better speed and range - Adds high-performance Wi-Fi power amplifiers to boost the wireless signals to the legal limit, giving a significant Boost in speed and range. In addition, anybeam Performing at both 2.4 GHz and 5 GHz frequencies focuses the signal on wireless clients to further enhance performance and range
  • Built-in high-speed router with AC1900 wireless and Power boost - Provides internet access for Wi-Fi devices including smartphones, notebooks, tablets, and more. 4 10/100/1000 Gigabit Ethernet LAN ports provide wired connections to Windows and Mac computers and other Ethernet-capable devices. A Broadcom cable Modem Chipset provides security from denial of service attacks.  more
ARRIS SURFboard SBG8300 DOCSIS 3.1 Gigabit Cable Modem & AC2350 Wi-Fi Router | Comcast Xfinity, Cox, Spectrum & more | Four 1 Gbps Ports | 1 Gbps Max Internet Speeds | 4 OFDM Channels 2 Year Warranty
ARRIS SURFboard SBG8300 DOCSIS 3.1 Gigabit Cable Modem
Model: ARRIS SBG8300
Color: Black
Dimensions: 9.33 x 2.87 x 8 Inches
Warranty: 2 years
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  • Compatibility: The SURFboard SBG8300 is compatible with major U.S. cable internet providers including Cox (Gigablast), Spectrum (Internet Gig), Xfinity (Gigabit/Gigabit x2) and others. It's approved for cable internet speed plans up to 1 Gbps. Check your Internet Service Provider (ISP) website to confirm compatibility.
  • Modem Technology: DOCSIS 3.1 is the newest technology available from cable internet providers. Its 10x faster than DOCSIS 3.0, provides better security, reduces lag while gaming & enables multi-gig networking (ability to run fast speeds on your copper cable from your internet provider).  more
Motorola MT7711 24X8 Cable Modem/Router with Two Phone Ports, DOCSIS 3.0 Modem, and AC1900 Dual Band WiFi Gigabit Router, for Comcast XFINITY Internet and Voice
Motorola MT7711 24X8 Cable Modem/Router
Model: Motorola MT7711
Dimensions: 9 x 8.25 x 2.25 Inches
Warranty: 2 YEAR MANUFACTURER
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  • WIRELESS POWER BOOST FOR BETTER SPEED AND RANGE - adds high-performance WiFi power amplifiers to boost the wireless signals to the legal limit, giving a significant boost in speed and range. In addition, AnyBeam beamforming at both 2. 4 GHz and 5 GHz frequencies focuses the signal on wireless clients to further enhance performance and range. NOT included is a backup battery option (Model 98250) that allows your phone to make calls for 8 hours on standby after power loss.
  • 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 5GHz) Gigabit Router, four Gigabit (GigE) Ethernet ports, and two XFINITY Voice compatible phone ports. This product is approved by Comcast for Xfinity Internet and Voice, and recommended by Comcast for XFINITY Internet service speeds up to 400 Mbps.  more
ARRIS SURFboard SBG10 DOCSIS 3.0 16 x 4 Gigabit Cable Modem & AC1600 Wi-Fi Router | Comcast Xfinity, Cox, Spectrum | Two 1 Gbps Ports | 400 Mbps Max Internet Speeds | SURFboard App | 2 Year Warranty
ARRIS SURFboard SBG10 DOCSIS 3.0 16 x 4 Gigabit Cable Modem & AC1600 Wi-Fi Router
Model: ARRIS SBG10
Color: Black
Dimensions: 6.58 x 6.77 x 1.97 Inches
Warranty: 2 years
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  • Compatibility: The SURFboard SBG10 is compatible with major U.S. cable internet providers including Cox, Spectrum, Xfinity and others. It's approved for cable internet speed plans up to 400 Mbps. Check your Internet Service Provider (ISP) website to confirm compatibility.
  • Save Money: Own your modem and save. Reduce your cable bill up to $168 dollars per year in cable modem rental fees (Savings vary by cable service provider). Certified for use with most U.S. cable internet service providers. For a complete list see additional details below.  more
ARRIS Surfboard G36 DOCSIS 3.1 Multi-Gigabit Cable Modem & AX3000 Wi-Fi Router | Comcast Xfinity, Cox, Spectrum| Four 2.5 Gbps Ports | 1.2 Gbps Max Internet Speeds | 4 OFDM Channels | 2 Year Warranty
ARRIS Surfboard G36 DOCSIS 3.1 Multi-Gigabit Cable Modem & AX3000 Wi-Fi Router
Model: ARRIS G36
Color: black
Dimensions: 8 x 10 x 3 Inches
Warranty: 2 year limited
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  • Simple and Secure Set-up: Just plug-in, download the SURFboard Central App, and follow the step-by-step intrstuctions to activate the modem, set-up and customize your Wi-Fi network, and add devices to your home network! Once setup is complete, the app provides real-time monitoring of the devices on your network, enhanced parental controls like setting time limits and pausing internet and much more.
  • Save Money: Own your modem and save. Reduce your cable bill up to $168 dollars per year in cable modem rental fees (Savings vary by cable service provider). Certified for use with most U.S. cable internet service providers. For a complete list see additional details below. Wi-Fi Coverage: Up to 2,500 sq ft  more
ARRIS SURFboard T25 DOCSIS 3.1 Gigabit Cable Modem | Comcast Xfinity Internet & Voice | Two 1 Gbps Ports | 2 Telephony Ports | 800 Mbps Max with Xfinity Internet Plans | 2 Year Warranty Black
ARRIS SURFboard T25 DOCSIS 3.1 Gigabit Cable Modem
Model: ARRIS T25
Color: Black
Warranty: 2 Year limited
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  • Ethernet & Telephony Ports: Has two 1-Gigabit ethernet ports to connect to a Wi-Fi router or other wired device plus two telephony ports for digital voice service.
  • Modem Technology: DOCSIS 3.1 is the newest technology available from cable internet providers. Its 10x faster than DOCSIS 3.0, provides better security, reduces lag while gaming & enables multi-gig networking (ability to run fast speeds on your copper cable from your internet provider).  more

Last update on 2023-11-30 / Affiliate links / Images, Product Titles, and Product Highlights from Amazon Product Advertising API

11 Best Modem Router Compatible With Xfinity 2023 - Best Picks: The best modem router compatible with Xfinity is the NETGEAR N600 (C3700) Cable Modem Router..

Common Questions

ARRIS SURFboard SB8200 DOCSIS 3.1 Cable Modem | Approved for Comcast Xfinity, Cox, Charter Spectrum, & more | Two 1 Gbps Ports | 1 Gbps Max Internet Speeds | 4 OFDM Channels | 2 Year Warranty,White

The best modem for Comcast gigabit is the Motorola MB8600 DOCSIS 3. Image source: Amazon.com

What is the best modem for Comcast Gigabit internet?

The best modem for Comcast Gigabit internet is the NETGEAR CM1000 DOCSIS 3.1 Cable Modem. This modem is officially certified by Comcast for use with their Gigabit service, and it is also compatible with other major internet providers. It is extremely fast and reliable, and it supports download speeds up to 1 Gbps.

Is the modem compatible with Comcast’s network?

It depends on the specific modem. Some modems are compatible with Comcast's network, while others are not. You should check with your modem’s manufacturer to find out if it is compatible with Comcast's network.

What are the advantages of using a modem with Comcast Gigabit internet?

1. Increased Download Speeds: Modems are used to convert digital signals from the cable internet line into analog signals the computer can understand. When using a modem with Comcast Gigabit internet, the modem can take advantage of the higher speeds offered by the service and deliver faster download speeds than ever before.

2. Reliability: A modem is more reliable than a wireless router because it is dedicated to a single source of internet access. This means that the modem is not prone to interference that can cause slow speeds and connection issues with a wireless router.

3. Security: Since the modem is directly connected to the internet provider, it is more secure than a wireless router. This prevents hackers from accessing your data and keeps your connection secure.

4. Cost Savings: When using a modem with Comcast Gigabit internet, it eliminates the need for an additional modem rental fee from Comcast, which can save you money in the long run.

Are there any additional fees associated with using a modem with Comcast Gigabit internet?

Yes, there may be an additional fee associated with using a modem with Comcast Gigabit internet. It depends on the type of modem you choose and the rental rate for that modem. You should contact Comcast for more information.

Best Netgear Router For Spectrum - November 2023 - Best Reviews: The best NETGEAR router for Spectrum is the NETGEAR Nighthawk AC1900 (R7000)..

Final Words

NETGEAR Nighthawk Cable Modem CM1200 - Compatible with all Cable Providers including Xfinity by Comcast, Spectrum, Cox | For Cable Plans Up to 2 Gigabits | 4 x 1G Ethernet ports | DOCSIS 3.1, Black

The best modem for Comcast Gigabit is the NETGEAR CM1000 DOCSIS 3. Image source: Amazon.com

speedOverall, I think the ARRIS Surfboard S33 DOCSIS 3.1 Multi-Gigabit Cable Modem is the best modem to use for Comcast Gigabit speed. The setup is straight-forward, and the modem is compatible with most major ISPs. The modem also has great performance and can handle multiple devices connected to the network. If you need a Best modem for comcast gigabit speed, the it is definitely worth considering.