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7 Best Modem Router Combos for Comcast Reviews

Are you facing slow internet or unreliable connections with Comcast? Upgrading to the right modem-router combo can greatly improve your online experience. Whether you’re streaming HD videos, gaming, or managing smart home devices, picking the right modem-router is essential.

  • DOCSIS Standard: Look for devices supporting DOCSIS 3.0 and 3.1 to ensure compatibility with Comcast and readiness for future broadband speeds.
  • Data Transfer Speed: Opt for modem router combos that maintain high speeds consistently, even when multiple devices are connected.
  • WiFi Generation: Consider models that support the latest WiFi technologies, such as WiFi 5 (802.11ac) and WiFi 6 (802.11ax).

When choosing the best modem router combos for Comcast, it’s vital to consider various factors beyond basic features. The following top picks include their key specifications for easy comparison. Additionally, we provide a comprehensive “Buying Guide” and FAQs section to help you select the ideal router for your needs.

Best Modem Router Combos for Comcast

Best Modem Router Combos for ComcastData Transfer SpeedsDOCSIS VersionWarranty
ARRIS G54 Modem Router Combos for ComcastUp to 18 GpbsDOCSIS 3.11 yearCheck On Amazon
Motorola Modem Router Combos for ComcastUp to 800 MbpsDOCSIS 3.02 yearCheck On Amazon
NETGEAR CAX80 Modem Router Combos for Comcastup to 3000 MbpsDOCSIS 3.1--Check On Amazon
MOTOROLA MG7540 Modem Router Combos for ComcastUp to 300 MbpsDOCSIS 3.02 yearCheck On Amazon
ARRIS G34 Modem Router Combos for Comcastup to 3000 MbpsDOCSIS 3.12 yearCheck On Amazon
NETGEAR C7800 Modem Router Combos for Comcastup to 3200 MbpsDOCSIS 3.11 yearCheck On Amazon
Linksys Modem Router Combos for ComcastUp to 300 MbpsDOCSIS 3.0---Check On Amazon

Best Modem Router Combos for Comcast Reviews

1. ARRIS G54 Modem Router Combos for Comcast

ARRIS G54 DOCSIS 3.1 Modem Router Combos for ComcastThis versatile all-in-one modem/router combo from ARRIS, the G54 ensures a seamless internet experience for Comcast subscribers seeking top-notch performance. Combining DOCSIS 3.1 technology with Wi-Fi 7, it delivers lightning-fast speeds perfect for gaming, streaming, and video conferencing. Compatible with major U.S. cable providers like Comcast Xfinity, Cox, and Spectrum, it guarantees hassle-free setup and significant savings by eliminating monthly modem rental fees.

Crafted to meet modern connectivity demands, the ARRIS Surfboard G54 offers up to 18 Gbps Wi-Fi speeds and extensive coverage spanning 5,000 sq ft. Its four 1-Gigabit and one 10-Gigabit ethernet ports cater to both wireless and wired devices efficiently. With the SURFboard Central App, setup and network management are a breeze, featuring real-time monitoring and enhanced parental controls.

Specifications:

  • DOCSIS 3.1 technology
  • Wi-Fi 7 speeds up to 18 Gbps
  • 1 x 10-Gigabit Ethernet port
  • 4 x 1-Gigabit Ethernet ports
  • Coverage up to 5,000 sq ft
  • Compatible with Comcast Xfinity, Cox, Spectrum
  • Simple and secure setup via SURFboard Central App
  • Dedicated customer support
  • 1-Year Limited Warranty by ARRIS
  • Multi-Gig Internet Speed Plans support
  • Quad-Band technology

Pros:

  • Saves up to $168 per year in rental fees
  • Easy and secure setup process
  • Extensive coverage suitable for large homes
  • Future-proof with DOCSIS 3.1 and Wi-Fi 7

Cons:

  • Some connectivity issues

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2. Motorola Modem Router Combos for Comcast

Motorola Modem Router Combos for Comcast

Moving to the Motorola MG7700, this powerhouse combines a high-speed DOCSIS 3.0 cable modem with a built-in AC1900 Dual Band Wi-Fi Gigabit Router. Ideal for Comcast Xfinity, Cox, and Spectrum subscribers, it supports cable plans up to 800 Mbps, ensuring fast and reliable internet for streaming, gaming, and more. With Power Boost technology enhancing signal strength and range, it offers superior Wi-Fi coverage throughout your home while eliminating up to $156 per year in rental fees.

Featuring a built-in high-speed router with AC1900 wireless and Power Boost, the MG7700 ensures seamless connectivity for Wi-Fi devices. Equipped with four 10/100/1000 Gigabit Ethernet LAN ports, it accommodates all devices with ease. With its 24×8 DOCSIS 3.0 cable modem functionality, speeds of up to 1000 Mbps are achievable, making it a cost-effective and powerful solution for your home network.

Specifications:

  • DOCSIS 3.0 cable modem
  • AC1900 Dual Band Wi-Fi Gigabit Router
  • Up to 1000 Mbps modem speed
  • Supports cable plans up to 800 Mbps
  • Power Boost Wi-Fi amplifiers
  • 4 x 10/100/1000 Gigabit Ethernet LAN ports
  • Built-in firewall security
  • Compatible with Comcast Xfinity, Cox, Charter Spectrum
  • Dimensions: 8.6″L x 2.9″W x 9″H
  • 24 downstream channels for speeds over 1,000 Mbps
  • 8 upstream channels for speeds up to 246 Mbps

Pros:

  • Eliminates up to $156 per year in rental fees
  • High-speed internet access for Wi-Fi and Ethernet devices
  • Power Boost technology enhances Wi-Fi signal strength
  • Easy setup and reliable performance

Cons:

  • Lower than expected speeds

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3. NETGEAR CAX80 Modem Router Combos for Comcast

NETGEAR CAX80 Modem Router Combos for ComcastWhile those looking for more options from NETGEAR, apart from the above two competitors, the CAX80 is a formidable contender in the modem router combo market, especially for Comcast, Spectrum, and Cox subscribers. Designed to support cable provider plans up to 6Gbps, its built-in WiFi 6 router delivers exceptional coverage of up to 2,500 sq. ft. and can handle up to 30 concurrent devices. 

Equipped with four 1 Gig Ethernet ports and one 2.5 Multi-gig LAN port, it caters to a variety of wired connections for computers, game consoles, and other devices. The ease of setup through the Nighthawk app allows users to manage their WiFi settings effortlessly.

Specifications:

  • Compatible with Xfinity, Spectrum, Cox (not compatible with Verizon, AT&T, DSL)
  • Coverage up to 2,500 sq. ft., 30 devices
  • Dual-band WiFi 6 (AX6000) speed
  • 4 x 1 Gig Ethernet ports, 1 x 2.5 Multi-gig LAN port
  • 1 USB 3.0 port
  • DOCSIS 3.1 and 32×8 channel bonding
  • Eliminates up to $168/yr in equipment rental fees
  • NETGEAR Armor for advanced security
  • WPA/WPA2/WPA3 wireless security protocols
  • Dimensions: 8.5″L x 4.3″W x 10.4″H

Pros:

  • Advanced security features with NETGEAR Armor
  • Supports ultra-fast internet speeds up to 6Gbps
  • Wide coverage suitable for large homes
  • Simple setup and management via the Nighthawk app

Cons:

  • May not be compatible with certain bundled voice services

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4. MOTOROLA MG7540 Modem Router Combos for Comcast

MOTOROLA MG7540 Modem Router Combos for Comcast

The MOTOROLA MG7540 is an excellent choice for Comcast users seeking a dependable modem router combo. It offers speeds up to 686 Mbps and works well with Comcast’s network. With DOCSIS 3.0 compatibility, it handles most home internet needs easily. Its AC1600 WiFi ensures strong connections for various devices like smartphones and smart TVs.

Notably, it features AnyBeam beamforming tech, focusing WiFi signals for better performance and range. Approved by major cable providers, it helps save on rental fees. However, it lacks a telephone jack and isn’t compatible with fiber optic, DSL, or satellite services, which may limit some users.

Specifications:

  • 16×4 Channel Bonding
  • AC1600 Dual Band WiFi (2.4 GHz and 5 GHz)
  • Four Gigabit Ethernet ports
  • Integrated Broadcom cable modem chipset
  • Supports service speeds up to 375 Mbps
  • Beamforming technology
  • Compatible with Comcast Xfinity and other major providers
  • No telephone jack support
  • Vertical design for space-saving
  • 2-year warranty

Pros:

  • High-speed internet with 686 Mbps maximum
  • Dual-band WiFi reduces interference
  • Beamforming technology enhances signal focus and range
  • Eliminates rental fees for many users
  • Simple setup and robust customer support

Cons:

  • Does not support newer DOCSIS 3.1 standards

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5. ARRIS G34 Modem Router Combos for Comcast 

ARRIS G34 Modem Router Combos for ComcastARRIS returns with the G34, leveraging DOCSIS 3.1 modem technology and Wi-Fi 6 routing capabilities to deliver ultra-fast internet speeds and extensive coverage. Compatible with Comcast Xfinity, Cox, Spectrum, and more, it ensures seamless connectivity and supports speeds up to 1 Gbps. With a simple setup facilitated by the SURFboard Central App and four 1-Gigabit Ethernet ports, it offers convenience and versatility for your home network.

Featuring Wi-Fi 6 technology, the G34 not only delivers faster speeds but also improves network efficiency and reduces latency, ensuring a reliable internet setup. By merging functionality with performance, the ARRIS Surfboard G34 provides a powerful, reliable, and convenient solution for your internet needs.

Specifications:

  • DOCSIS 3.1 modem technology
  • Wi-Fi 6 (AX3000) speeds
  • Four 1-Gigabit Ethernet ports
  • Compatible with Comcast Xfinity, Cox, Spectrum
  • Dual-band frequency
  • Supports up to 1 Gbps max internet speeds
  • Special features include Internet Security, Guest Mode, Parental Control
  • Connectivity Technology: Wi-Fi, Ethernet, Coaxial Cable
  • 2-Year Warranty provided by ARRIS
  • Dedicated Customer Support
  • Simple and Secure Set-up via SURFboard Central App

Pros:

  • Easy installation and network management with the SURFboard app
  • Eliminates rental fees, offering significant savings
  • DOCSIS 3.1 and Wi-Fi 6 ensure high-speed, efficient performance
  • Supports a wide range of devices simultaneously without lag

Cons:

  • Some issues with signal range and connectivity

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6. NETGEAR C7800 Modem Router Combos for Comcast

NETGEAR Modem Router Combos for Comcast

The NETGEAR C7800 is a powerhouse in the modem router combo market, specifically designed to meet the needs of users with high-speed cable internet plans. Compatible with major cable providers like Xfinity by Comcast, Cox, and Spectrum, the C7800 supports internet speeds up to 2 Gigabits, making it perfect for demanding online activities such as 4K streaming, online gaming, and large file downloads. With its built-in DOCSIS 3.1 modem technology, the device offers fast and reliable connections, significantly reducing lag and buffering times.

The C7800 boasts an AC3200 WiFi speed, providing up to 3000 square feet of wireless coverage and the capacity to connect up to 45 devices simultaneously. This modem router combo is engineered with 32×8 channel bonding and DOCSIS 3.1 to ensure efficient internet usage and smooth data transmission. Its four Gigabit Ethernet ports and two high-speed USB 3.0 ports offer versatile connectivity options, making it easy to connect computers, game consoles, and other devices directly for maximum speed and reliability.

Specifications:

  • Compatible with Xfinity by Comcast, Cox, Spectrum
  • DOCSIS 3.1 with 32×8 channel bonding
  • AC3200 WiFi speed (up to 3200 Mbps)
  • Coverage up to 3000 square feet
  • Connects up to 45 devices
  • Four (4) Gigabit Ethernet ports
  • Two (2) high-speed USB 3.0 ports
  • Dual-band frequency (2.4 & 5 GHz)
  • Beamforming+ for better range and performance
  • Eliminates up to $168/year in equipment rental fees
  • Easy 5-minute setup

Pros:

  • Eliminates costly modem rental fees
  • Extensive wireless coverage suitable for large homes
  • Supports a high number of connected devices without losing speed
  • Easy installation and setup process

Cons:

  • Some issues with the 5GHz band stability

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7.  Linksys Modem Router Combos for Comcast

Linksys Modem Router Combos for ComcastThe Linksys CG7500 cable modem router is an all-in-one solution that combines the functionality of a high-speed DOCSIS 3.0 cable modem with an AC1900 Wi-Fi router. Certified for use with Comcast Xfinity and Spectrum by Charter, this device is designed to cater to the demands of modern internet users. Its dual-band technology and 24×8 channel bonding allow for faster internet speeds, up to 300 Mbps, making it suitable for HD video streaming, online gaming, and other bandwidth-intensive activities. The CG7500 eliminates the need for separate devices and monthly rental fees, offering a streamlined, cost-effective home network solution.

This modem router offers simple plug-and-play setup, ensuring you can get your network up and running quickly without the need for complicated installation processes. Its wireless-AC technology provides up to 1.9 Gbps of Wi-Fi speed across a wide coverage area, ensuring reliable internet access throughout your home. The CG7500 is equipped with four Gigabit Ethernet ports for high-speed wired connections, making it versatile for connecting various devices directly to your network for optimal performance.

Specifications:

  • DOCSIS 3.0 modem technology
  • AC1900 dual-band Wi-Fi (up to 1.9 Gbps)
  • 24×8 channel bonding for faster internet speeds
  • Compatible with Comcast Xfinity and Spectrum by Charter
  • Coverage for up to 3000 sq. ft.
  • Four Gigabit Ethernet ports
  • Intel Puma 6 chipset for high performance
  • Simple plug-and-play setup
  • Dual-band technology for less interference
  • Bonded channels for optimal efficiency
  • Includes Linksys AC1900, Ethernet cable, Power Adapter, Quick Start Guide
  • Recommended for gaming and high-bandwidth activities

Pros:

  • Eliminates monthly rental fees, saving costs in the long term
  • Wide Wi-Fi coverage suitable for larger homes
  • High-speed internet capable of supporting multiple devices simultaneously
  • Easy setup without the need for a CD or complex installation process

Cons:

  • Not compatible with Verizon, AT&T, and DSL providers

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Buying Guide for the Best Modem Router Combos for Comcast

When shopping for the best modem router combo for Comcast, there are several critical factors to consider to ensure you get a device that meets your needs for speed, reliability, and connectivity. Let’s dive into the key elements:

1. DOCSIS (Data Over Cable Service Interface Specification):

The DOCSIS standard is crucial for your modem router combo’s compatibility and performance. Comcast and many other ISPs use DOCSIS to provide high-speed internet over cable lines.

  • DOCSIS 3.0: Widely supported, good for most home users. It supports up to 1 Gbps download speeds, suitable for streaming, gaming, and general internet use.
  • DOCSIS 3.1: Offers future-proofing and the fastest speeds. It supports up to 10 Gbps, though Comcast usually offers 1-2 Gbps. DOCSIS 3.1 also improves latency and handles network congestion better.

Choosing a modem router combo with the latest DOCSIS standard ensures optimal performance and readiness for future speed upgrades from Comcast.

2. Data Transfer Speed:

Your modem router combo’s data transfer speed is crucial. It affects how quickly you can download and upload data, influencing tasks like video streaming and file downloads.

  • Download Speeds: Look for combos with speeds ranging from 300 Mbps to 1 Gbps, depending on your Comcast plan and internet usage.
  • Upload Speeds: Consider upload speeds too, as they impact activities like video conferencing and uploading large files. Aim for combos supporting at least 5 Mbps to 50 Mbps.

Make sure your combo meets or surpasses your Comcast subscription speeds to prevent slowdowns.

3. WiFi Generation:

WiFi technology has improved over time, with each new generation bringing better speed, range, and connectivity.

  • WiFi 5 (802.11ac) is still widely used and offers decent speeds and reliability for most homes, supporting up to 3.5 Gbps. It’s good for HD streaming, gaming, and smart home gadgets.
  • WiFi 6 (802.11ax) is the latest version, providing even faster speeds, more capacity, and improved performance in busy areas. With speeds up to 9.6 Gbps, it’s great for homes with many devices and high bandwidth needs.

Choosing a WiFi 6 modem router combo ensures top performance and readiness for future WiFi advancements.

4. Network Coverage:

Ensuring strong and stable WiFi across your entire home is crucial. Factors like home size and layout affect coverage.

  • Check the manufacturer’s coverage area specs. Modem router combos usually cover 150 inside to 300 outside feet.
  • For bigger homes or tricky layouts, opt for a modem router combo supporting mesh networking. Mesh systems use multiple devices to create a seamless network, erasing dead zones and offering consistent coverage.

This ensures reliable internet access everywhere in your home, avoiding weak signals.

5. Ports:

Ports on your modem router combo are vital for device connections.

  • Ethernet Ports: Choose models with many Gigabit Ethernet ports (at least four). These ensure speedy and stable wired connections for devices like computers, gaming consoles, and smart TVs, better than WiFi.
  • USB Ports: Some combos have USB ports for external storage or printers. This enables simple file sharing and network printing.

Ample ports provide flexibility for connecting multiple devices to your network.

6. WiFi Bands:

WiFi bands are the radio frequencies your router uses to send data. Many modern routers work on dual-band or tri-band frequencies.

  • Dual-Band: These routers have two networks: 2.4 GHz and 5 GHz. The 2.4 GHz band covers more area and penetrates walls better, while the 5 GHz band offers faster speeds with less interference. This is good for most homes.
  • Tri-Band: These routers have an extra 5 GHz band. It helps spread the load across more devices, reducing congestion and improving performance. This is great for homes with lots of devices or heavy data use.

Picking the right band setup ensures good performance and less interference, especially in places with lots of devices.

7. Network Compatibility:

To ensure your modem router combo works smoothly with Comcast, follow these steps:

  • Check Compatibility: Make sure the device is listed as compatible with Comcast Xfinity. You can find this info on Comcast’s website or the product packaging.
  • Firmware Updates: Opt for a brand known for regular firmware updates. These updates improve compatibility and security, keeping your network safe and reliable.

Modem Router Combos for Comcast – FAQs

1. How can you connect to a modem router for internet access?

Ans: Almost all modem routers out there allow you to connect to the internet via a wired or a wireless connection. While a wireless connection is made possible over WiFi, wired connections rely on an RJ45 port present on the back of your modem router. Even though a wireless connection can also offer decently high-performance speeds, a wired connection will offer you much better stability in most cases.

2. How many devices can you connect to a modem router for connecting to the internet?

Ans: While different modem routers support a different number of maximum devices like up to 25 devices or up to 40 devices, almost all of them should be more than enough for most users in terms of the maximum number devices that you can connect to a modem router at once.

3. What’s the benefit of having external antennas with modem router combos for Comcast?

Ans: In case you are in the market for a new modem router combo for Comcast, then you may find a few options with inbuilt antennas. Such models with external antennas will generally offer better network coverage along with much-improved network stability.

Conclusion

Choosing the right modem router combo for your Comcast plan can be overwhelming. Let’s explore three top options based on different needs:

  • Ultra-Performance: NETGEAR Nighthawk CAX80 This powerhouse boasts DOCSIS 3.1 and Wi-Fi 6 for blazing-fast speeds up to 6 Gbps. Ideal for future-proofing your network and handling demanding applications like VR gaming.
  • Best Value: Motorola MG7700 This reliable and budget-friendly option offers DOCSIS 3.0 and AC1900 Wi-Fi for speeds up to 800 Mbps. Perfect for average internet usage, streaming, and casual gaming.
  • Reliable Mid-Range: ARRIS Surfboard G34 This solid choice combines DOCSIS 3.1 and Wi-Fi 6 AX3000 for smooth streaming and multitasking. Great for medium-sized homes with moderate internet needs.

Remember, these are just a few highlights. Research and compare based on your specific needs and budget for the perfect match!

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