7 Best Modem For Xfinity in 2023 ( Updated )

Are you tired of paying monthly rental fees for your Xfinity modem? If so, it’s time to consider purchasing your own modem. Not only will this save you money in the long run, but it also gives you the freedom to choose a modem that best suits your needs.

In this article, we will explore the 7 best modems for Xfinity, ensuring you make an informed decision and enjoy a seamless internet experience.

Xfinity, one of the leading internet service providers, offers high-speed internet connections to millions of users. While Xfinity provides rental modems, owning your own modem can offer various advantages.

Factors to Consider When Choosing a Modem for Xfinity

Before diving into the top modems available for Xfinity, it’s crucial to consider a few essential factors:

Compatibility

Ensure the modem you choose is compatible with Xfinity’s internet service. Xfinity provides a list of approved modems on their website, making it easier for you to find the right one.

Internet Speed

Consider the internet speed you currently subscribe to or plan to upgrade to. Choose a modem that supports the maximum speed provided by Xfinity to ensure optimal performance.

DOCSIS Standards

Check the Data Over Cable Service Interface Specification (DOCSIS) version supported by the modem. Xfinity primarily uses DOCSIS 3.0 and DOCSIS 3.1. Opt for a modem that supports the latest DOCSIS standards for improved speed and performance.

Channels

Modems with more channels can handle higher internet speeds and support multiple devices simultaneously. Consider your household’s usage and the number of devices connected to determine the appropriate number of channels for your needs.

Additional Features

Some modems offer additional features such as built-in Wi-Fi routers, phone ports for voice services, and compatibility with voice assistants. Evaluate your requirements and choose a modem that provides the necessary features.

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10 Best Mesh Wifi System For Xfinity in 2023

Let’s explore the 7 best modems for Xfinity that combine exceptional performance, compatibility, and value for money.

7 Best Modem for Xfinity

Here are the top 7 modems for Xfinity that offer outstanding performance and value:

1. NETGEAR Nighthawk WiFi 6 Modem Router Combo ( Compatible with Xfinity, Spectrum, & Cox )

netgear nighthawk wifi 6 modem router combo optimized

Tech Specification

Product NameNETGEAR Nighthawk WiFi 6 Modem Router Combo (CAX30S)
Supported ISPsXfinity, Spectrum, Cox
Modem TypeDOCSIS 3.1 Modem
Wireless StandardsWiFi 6 (802.11ax)
Maximum Wireless SpeedUp to 2.7 Gbps
Internet Security Subscription90-Day Subscription
CompatibilityBackward compatible with previous WiFi standards
Pricebuy from amazon

The NETGEAR Nighthawk WiFi 6 Modem Router Combo (CAX30S) is a powerful device that offers a range of features to enhance your internet experience.

Compatible with major cable internet providers like Xfinity, Spectrum, Cox, and more, it allows you to seamlessly connect to your preferred service.

However, it is important to note that it is not compatible with Verizon, AT&T, CenturyLink, DSL providers, DirecTV, DISH, or any bundled voice service.

This modem router combo is best suited for cable provider plans up to 2Gbps, making it ideal for users with high-speed internet needs.

With coverage of up to 2,500 sq. ft. and support for 25 concurrent devices, it ensures a reliable connection throughout your home.

Its dual-band WiFi 6 (AX2700) speed can reach up to 2.7Gbps, allowing for fast and smooth internet browsing, streaming, and gaming.

Equipped with 4 Gigabit Ethernet ports and 1 USB 3.0 port, the device offers convenient options for connecting computers, game consoles, streaming players, storage drives, and more. This versatility allows for seamless integration of various devices into your network setup.

The modem router combo utilizes DOCSIS 3.1 technology and 32×8 channel bonding to provide fast and stable internet connectivity.

By replacing your cable modem and WiFi router with this single device, you can save up to $168 per year in equipment rental fees, making it a cost-effective choice in the long run.

To ensure the security of your network, the NETGEAR Nighthawk WiFi 6 Modem Router Combo comes with NETGEAR Armor. This feature offers automatic protection across all connected devices, safeguarding your family’s WiFi experience. The device includes a 90-day subscription to NETGEAR Armor.

In terms of wireless security, the modem router combo supports WPA/WPA2/WPA3 protocols, providing advanced encryption to protect your network from unauthorized access.

Lastly, the device is backed by a 1-year limited hardware warranty, offering peace of mind and support in case of any hardware issues.

Overall, the NETGEAR Nighthawk WiFi 6 Modem Router Combo (CAX30S) is a reliable and feature-packed option for users seeking high-speed internet connectivity, wide-coverage, multiple ports, advanced security features, and a strong warranty.

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2. Motorola MB8600 DOCSIS 3.1 Cable Modem ( Approved for Comcast Xfinity, Cox, and Charter Spectrum )

motorola mb8600 docsis 3 optimized.1 cable modem

Tech Specification

Product NameMotorola MB8600 DOCSIS 3.1 Cable Modem
Supported ISPsComcast Xfinity, Cox, Charter Spectrum
Modem TypeDOCSIS 3.1 Cable Modem
Maximum Supported Cable Plan SpeedUp to 1000 Mbps
Ethernet Port1 Gbps Ethernet Port
CompatibilityBackward compatible with previous DOCSIS standards
IPv6 SupportYes
Pricebuy from amazon

The Motorola MB8600 DOCSIS 3.1 Cable Modem is a top-notch device that offers exceptional performance and features to enhance your internet experience.

With its impressive capabilities, it has been recommended by Wirecutter as the best cable modem for users with Gigabit Internet plans. It is equipped with both DOCSIS 3.1 and DOCSIS 3.0 32×8 capabilities, allowing for top internet speeds across all cable internet services.

One of the major advantages of this modem is the potential for significant cost savings. By eliminating cable modem rental fees, you can save up to $168 per year (savings may vary based on the cable service provider).

It is approved by Comcast Xfinity, Xfinity X1, Cox, and CableOne for all speeds, including Gigabit services.

The Motorola MB8600 offers flexible compatibility, allowing you to pair it with any Wi-Fi router of your choice, including Whole Home Wi-Fi or Mesh routers like Eero, Google Wi-Fi, and Orbi.

With its 10/100/1000 Gigabit Ethernet port, you can connect any single device with an Ethernet port, such as a router, Windows or Mac computer, HDTV, or game station. It’s important to note that this cable modem does not have a built-in wireless router or telephone call capability.

In terms of security, the modem utilizes a Broadcom chipset that provides advanced protection against denial-of-service attacks, ensuring the safety of your network.

The inclusion of Active Queue Management (AQM) is another notable feature of the Motorola MB8600. AQM significantly reduces internet latency for both DOCSIS 3.1 and 3.0 services, resulting in faster page loads for all web traffic.

This feature is particularly beneficial for activities such as online gaming and video conferencing. Additionally, the MB8600 includes a full-band capture digital tuner, which enhances speed and helps save energy.

Overall, the Motorola MB8600 DOCSIS 3.1 Cable Modem is a reliable and high-performing choice for users seeking top internet speeds and compatibility with various Wi-Fi routers.

With its exceptional capabilities and a track record of positive reviews, the Motorola MB8600 is a solid investment for users looking to optimize their internet connectivity.

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3. ARRIS SURFboard SB8200 DOCSIS 3.1 Cable Modem ( Approved for Comcast Xfinity, Cox, Charter Spectrum, & more )

arris surfboard sb8200 docsis 3 optimized.1 cable modem

Tech Specification

Product NameARRIS SURFboard SB8200 DOCSIS 3.1 Cable Modem
Supported ISPsComcast Xfinity, Cox, Charter Spectrum, and more
Modem TypeDOCSIS 3.1 Cable Modem
Maximum Supported Cable Plan Speed1 Gbps
Ethernet PortsTwo 1 Gbps Ports
Maximum Internet Speeds1 Gbps
OFDM Channels4 OFDM Channels
Warranty2 Year Warranty
ColorWhite
Pricebuy from amazon

The ARRIS SURFboard SB8200 DOCSIS 3.1 Cable Modem is a reliable and high-performance device that brings superior connectivity and faster streaming and downloading capabilities to your home network.

With a trusted name and a track record of over 260 million modems sold, ARRIS is a brand you can rely on.

By owning your modem, you can save money and reduce your cable bill by up to $168 per year in rental fees (savings vary depending on your cable service provider).

The SB8200 is certified for use with most U.S. cable internet service providers, ensuring compatibility and seamless integration with your existing setup.

The modem utilizes DOCSIS 3.1 technology, which is the latest and fastest available from cable internet providers. With speeds up to 10 times faster than DOCSIS 3.0, it not only provides better connectivity but also offers enhanced security and reduced lag for gaming.

Additionally, it enables multi-gig networking, allowing you to achieve fast speeds on your copper cable from your internet provider.

Setting up the SURFboard SB8200 is simple and secure. Just plug in the device, download the SURFboard Central App, and follow the instructions to activate the modem. You can then connect it to a Wi-Fi router for seamless networking throughout your home.

It is approved for cable internet speed plans up to 1 Gbps, ensuring that it can handle high-speed connections without any issues. However, it is always recommended to check your Internet Service Provider’s (ISP) website to confirm compatibility.

In the box, you will find the ARRIS SURFboard SB8200 Cable Modem, a power supply, a quick-start guide, and a 2-year warranty card. This ensures that you have everything you need to get started and provides peace of mind with a 2-year warranty.

Overall, the ARRIS SURFboard SB8200 DOCSIS 3.1 Cable Modem is a top choice for those looking for superior connectivity, faster speeds, and cost savings.

With its compatibility with major cable internet providers, simple setup process, and trusted brand reputation, it is a reliable and efficient solution for upgrading your home network.

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4. Motorola MG7700 Modem WiFi Router Combo with Power Boost ( Approved by Comcast Xfinity, Cox, and Spectrum )

motorola mg7700 modem wifi router combo with power boost optimized

Tech Specification

Product NameMotorola MG7700 Modem WiFi Router Combo
Supported ISPsComcast Xfinity, Cox, Spectrum
Modem TypeDOCSIS 3.0 Modem
Wireless StandardsWiFi Router (802.11ac)
Maximum Supported Cable Plan SpeedUp to 800 Mbps
Gigabit Ethernet PortsYes
Power Boost TechnologyYes
Pricebuy from amazon

The Motorola MG7700 is a high-performance cable modem and Wi-Fi router combo that offers impressive features and capabilities to enhance your internet experience.

With its fast 24×8 DOCSIS 3.0 cable modem and built-in AC1900 dual-band Wi-Fi router, this device provides reliable connectivity and exceptional speed for your home network.

Featuring a maximum modem speed of 1000 Mbps, the MG7700 supports service speeds up to 650 Mbps, allowing for seamless streaming, gaming, and downloading.

It comes equipped with four Gigabit Ethernet ports, enabling you to establish wired connections with your Windows and Mac computers, as well as other Ethernet-capable devices.

The built-in high-speed router with AC1900 wireless and power boost technology ensures internet access for a wide range of Wi-Fi devices, including smartphones, notebooks, and tablets.

One of the major advantages of the MG7700 is the potential for significant cost savings. By eliminating cable modem rental fees, you can save up to $156 per year (savings may vary depending on your cable service provider).

This device is certified by leading cable service providers, including Comcast Xfinity, Cox, and Charter Spectrum.

However, it’s important to note that the MG7700 is not compatible with fiber optic, DSL, or satellite services provided by Verizon, AT&T, CenturyLink, Frontier, and others.

The built-in Wi-Fi power amplifiers add a wireless power boost, enhancing the speed and range of your Wi-Fi signals. By operating at both 2.4 GHz and 5 GHz frequencies, any beam technology focuses the wireless signal on connected devices, resulting in improved performance and extended range.

In terms of security, the MG7700 includes firewall protection and utilizes a Broadcom cable modem chipset to guard against denial-of-service attacks, ensuring a secure internet experience for all your devices.

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5. ARRIS SURFboard SBG10 DOCSIS 3.0 16 x 4 Gigabit Cable Modem ( Comcast Xfinity, Cox, Spectrum )

arris surfboard sbg10 docsis 3 optimized.0 16 x 4 gigabit cable modem

Tech Specification

Product NameARRIS SURFboard SBG10 DOCSIS 3.0 Cable Modem & AC1600 Wi-Fi Router
Supported ISPsComcast Xfinity, Cox, Spectrum
Modem TypeDOCSIS 3.0 Cable Modem
Wireless StandardsWi-Fi Router (AC1600)
Maximum Supported Cable Plan Speed400 Mbps
Ethernet PortsTwo 1 Gbps Ports
SURFboard AppYes
Warranty2 Year Warranty
Pricebuy from amazon

The ARRIS SURFboard SBG10 Wi-Fi Cable Modem is a trusted and reliable choice for home connectivity. With this two-in-one product, you’ll experience high speeds, better coverage, and enhanced network capability throughout your home.

One of the standout benefits of the SBG10 is the potential for significant cost savings. By owning your modem, you can reduce your cable bill by up to $168 per year in rental fees (savings may vary depending on your cable service provider).

This modem is certified for use with most U.S. cable internet service providers, ensuring compatibility and hassle-free setup.

Utilizing DOCSIS 3.0 technology, the SBG10 delivers reliable and affordable high-speed internet to your home devices. You can enjoy fast streaming and downloading without sacrificing performance.

Setting up the SBG10 is simple and secure. Just plug it in, download the SURFboard Central App, and follow the step-by-step instructions. The app allows you to activate the modem, customize your Wi-Fi network, and add devices to your home network.

It also provides real-time monitoring of connected devices and enhanced parental controls, such as setting time limits and pausing internet access.

The SBG10 is compatible with major U.S. cable internet providers, including Cox, Spectrum, Xfinity, and others. It supports cable internet speed plans up to 400 Mbps. You can check your Internet Service Provider’s (ISP) website to confirm compatibility.

With two 1-Gigabit ethernet ports, the SBG10 offers flexibility for connecting wired devices. It also delivers Wi-Fi 5 speeds up to 1.6 Gbps (1600 Mbps), ensuring a fast and reliable wireless connection.

ARRIS provides dedicated customer support, including live chat and phone support available from 8 am to 1 am EST. In case of any issues or questions, you can rely on their assistance.

The SBG10 comes with a 2-year limited warranty provided by ARRIS, giving you peace of mind and assurance of product quality.

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6. NETGEAR Nighthawk Multi-Gig Cable Modem CM2000 ( Compatible with all Cable Providers incl. Xfinity, Spectrum, Cox )

netgear nighthawk multi gig cable modem cm2000 optimized

Tech Specification

Product NameNETGEAR Nighthawk Multi-Gig Cable Modem CM2000
Compatible Cable ProvidersAll Cable Providers including Xfinity, Spectrum, Cox
Modem TypeDOCSIS 3.1 Cable Modem
Maximum Supported Cable Plan SpeedUp to 2.5 Gbps
Connectivity TechnologyEthernet
Compatible DevicesRouter
Pricebuy from amazon

The NETGEAR Nighthawk Multi-Gig Cable Modem CM2000 is a high-performance modem built to deliver the fastest multi-gig speeds available. It is best suited for cable provider plans up to 2.5Gbps, ensuring an exceptional internet experience.

This modem is compatible with all major cable internet providers, including Xfinity, COX, and Spectrum.

However, please note that it is not compatible with Verizon, AT&T, CenturyLink, DSL providers, DirecTV, DISH, or any bundled voice service.

Ensure to check with your specific provider to confirm compatibility.

The CM2000 works seamlessly with any WiFi router, but it performs best when paired with a WiFi 6 router or Orbi Mesh system from NETGEAR. By connecting your WiFi router to the modem’s Ethernet port, you can support all your wireless devices and enjoy the fastest internet speeds available.

With its multi-gig Ethernet capability, the CM2000 offers a dedicated 2.5Gbps Ethernet port, enabling true multi-gig internet connections for lightning-fast data transfers.

One of the notable advantages of the CM2000 is the potential for cost savings. By replacing your cable modem with this device, you can eliminate monthly rental fees, saving you up to $168 per year in equipment rental fees.

The modem technology employed in the CM2000 is engineered with DOCSIS 3.1 32×8 channel bonding and OFDM(A) 2×2. These advanced technologies optimize performance, enhance reliability, and ensure a stable and efficient internet connection.

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7. ARRIS Surfboard G36 DOCSIS 3.1 Multi-Gigabit Cable Modem ( Comcast Xfinity, Cox, Spectrum )

arris surfboard g36 docsis 3 optimized.1 multi gigabit cable modem

Tech Specification

Product NameARRIS Surfboard G36 DOCSIS 3.1 Cable Modem & AX3000 Wi-Fi Router
Supported ISPsComcast Xfinity, Cox, Spectrum
Modem TypeDOCSIS 3.1 Cable Modem
Wireless StandardsWi-Fi Router (AX3000)
Maximum Supported Cable Plan Speed1.2 Gbps
Ethernet PortsFour 2.5 Gbps Ports
OFDM Channels4 OFDM Channels
Warranty2 Year Warranty
Pricebuy from amazon

The ARRIS Surfboard G36 Wi-Fi Cable Modem is a reliable and high-speed modem that offers excellent connectivity and streaming capabilities.

With its trusted name in home connectivity and a two-in-one design, this modem delivers high speeds, low latency, and exceptional performance throughout your home network.

It’s worth noting that the G36 does not support MoCA technology and does not include a telephone port.

One of the significant advantages of owning this modem is the potential for cost savings. By eliminating monthly cable modem rental fees, you can save up to $168 per year (savings may vary by cable service provider).

The G36 is certified for use with most major U.S. cable internet service providers, ensuring compatibility and optimal performance.

It provides Wi-Fi coverage of up to 2,500 square feet, ensuring a strong and reliable signal throughout your home.

Equipped with DOCSIS 3.1 modem technology, the G36 offers significant improvements over DOCSIS 3.0. It provides speeds up to 10 times faster, enhanced security features, reduced lag during gaming sessions, and the ability to handle multi-gig networking, enabling fast speeds on your copper cable from your internet provider.

In terms of compatibility, the G36 works seamlessly with major U.S. cable internet providers, including Cox (Gigablast), Spectrum (Internet Gig), Xfinity (Gigabit/Gigabit x2), and others.

It is approved for cable internet speed plans up to 2.5 Gbps. It’s important to check with your Internet Service Provider’s website to confirm compatibility.

When you purchase the ARRIS Surfboard G36, you will receive the cable modem itself, a power supply, a quick-start guide, and a 2-year warranty card.

The modem also features advanced router technology with four 1-Gigabit Ethernet ports and one 2.5-Gigabit Ethernet port. It delivers Wi-Fi 6 speeds up to 3 Gbps (3,000 Mbps), ensuring fast and reliable connections for your devices.

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FAQs (Frequently Asked Questions)

Can I use any modem with Xfinity?

No, not all modems are compatible with Xfinity. It is recommended to choose a modem from the list of approved devices provided by Xfinity to ensure compatibility.

What is the advantage of DOCSIS 3.1?

DOCSIS 3.1 is the latest standard that offers faster internet speeds, improved performance and supports higher bandwidth utilization, making it ideal for high-speed internet connections.

Can I use a modem with built-in Wi-Fi?

Yes, if you prefer a modem with built-in Wi-Fi, you can choose a model that includes a router. This eliminates the need for an additional Wi-Fi router in your setup.

How many channels do I need in a modem?

The number of channels required depends on your internet speed and the number of devices connected. It is recommended to choose a modem with more channels for higher speeds and better performance.

Conclusion

Owning your own modem for Xfinity is a wise decision that offers numerous benefits.

Not only does it save you money in the long run, but it also allows you to choose a modem that perfectly suits your needs.

By considering the compatibility, internet speed, DOCSIS standards, channels, and additional features, you can select the best modem for your Xfinity internet connection and enjoy fast and reliable internet access.

Jaspreet Singh
Jaspreet Singh

Hey! I'm Jaspreet Singh and I completed a degree in Bachelor of Computer Applications. I have 7+ years of experience in the Network & Security Domain as well as the Cloud Infra Domain. So I love to explore my technical knowledge with you.

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