5 Best Modems for Xfinity in 2024

By Alex╺

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When choosing a modem for your Xfinity internet service, it’s important to ensure compatibility and optimize for the best performance.

The modem is the gateway between your home network and the internet, responsible for translating the cable signal from your ISP into a digital format your devices can understand.

With Xfinity, one of the largest broadband providers, having a high-quality modem can make a significant difference in your internet experience.

To help ease the selection process, we have conducted thorough research and real-world testing on a wide range of modems that work well with Xfinity’s service.

Best Modems for Xfinity

Our findings are meant to guide you in choosing a modem that not only meets Xfinity’s requirements but also suits your specific internet usage patterns.

Contents hide
Top 5 Xfinity Compatible Modems
Buying Guide
Final Review

Top 5 Xfinity Compatible Modems

Netgear CM1000

Netgear CM1000

Key Features

  • High-speed cable modem for fast internet connections.
  • DOCSIS 3.1 technology for future-proof performance.
  • Supports gigabit internet plans.
  • Works with major cable internet providers.
  • Easy setup and reliable connection.
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Why Should You Buy It ?

  • Sleek Design: The CM1000 impresses with its sleek design, fitting seamlessly into your setup.
  • Easy Setup: Setting it up is a breeze, thanks to the Xfinity app, ensuring quick online access.
  • High Bandwidth Handling: This modem excels in handling high bandwidth, providing a seamless experience for 4K streaming and online gaming.
  • Cost Savings: While there’s an upfront cost, the savings from eliminating monthly rental fees accumulate over time, making it a wise financial choice.
  • Future-Proof: With DOCSIS 3.1 capability, it not only meets current tech standards but also prepares you for future service updates.
  • Intermittent Connectivity: Occasionally, quick resets were needed to restore connectivity after drops. While not frequent, it’s worth noting for those who prioritize uninterrupted connectivity.
  • Separate Router: You’ll need a separate Wi-Fi router for wireless internet distribution throughout your home.

Pros

  • Lightning-fast speeds enhance streaming and gaming experiences.
  • Easy to set up with a straightforward interface.
  • Eliminates rental fees, saving money in the long run.

Cons

  • Does not include a Wi-Fi router; separate purchase necessary.
  • Monthly connection drops may occur, based on user experiences.
  • Compatibility issues with providers other than Xfinity or Cox.

Ideal Buyer

The Netgear CM1000 modem is perfect for users seeking a sleek, high-performance modem with easy setup. It’s ideal for those who want to save on monthly rental fees, appreciate future-proofing, and have a separate Wi-Fi Router for wireless connectivity. Users should be tolerant of occasional connectivity resets.

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ARRIS SURFboard SB8200

ARRIS SURFboard SB8200

Key Features

  • High-performance DOCSIS 3.1 cable modem.
  • Supports ultra-fast gigabit internet speeds.
  • Compatible with major cable internet providers.
  • 2 Gigabit Ethernet ports for flexible connectivity.
  • Easy installation and reliable performance.
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Why Should You Buy It ?

  • Easy Setup: The SB8200 offers a hassle-free setup with an intuitive mobile app, ensuring a seamless activation process.
  • Performance and Reliability: It excels in both performance and reliability, providing smooth video calls, ultra-fast file downloads, and uninterrupted internet access.
  • Versatile Usage: Ideal for various internet needs, from gaming to remote work, offering seamless 4K streaming and uninterrupted online gameplay.
  • Cost Savings: By using this modem, you can eliminate rental fees, making it a cost-effective choice.
  • Future-Proof Technology: With advanced DOCSIS 3.1 technology, it future-proofs your setup for potential upgrades.

Pros

  • Significantly reduces your monthly rental fee.
  • Quick and hassle-free setup experience.
  • Dual Ethernet ports offer flexibility for home networking.

Cons

  • May require ISP contact for MAC address registration.
  • Lacks built-in Wi-Fi, requiring a separate router.
  • Could be an overkill for plans offering speeds less than 1 Gbps.

Ideal Buyer

The ARRIS SURFboard SB8200 modem is perfect for users seeking a reliable, high-performance, and easy-to-setup modem. It’s ideal for households with heavy internet usage, including gamers and remote professionals. Cost-conscious individuals looking to save on rental fees will also find it appealing.

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NETGEAR Nighthawk CM1200

NETGEAR Nighthawk CM1200

Key Features

  • Ultra-fast DOCSIS 3.1 cable modem.
  • Ideal for gigabit internet plans.
  • Easy setup for gaming and streaming.
  • Works with major cable providers.
Check the Price on Amazon

Why Should You Buy It ?

  • Simple and Reliable: The Nighthawk CM1200 impresses with its simplicity and reliability, offering solid performance and easy setup.
  • Xfinity Compatibility: It seamlessly works with Xfinity, providing smooth online streaming and gaming experiences.
  • Multiple Ethernet Ports: With four Ethernet ports, it supports multiple high-speed wired connections, ideal for gaming consoles and home offices.
  • Voice Service Limitation: Note that it lacks voice service support, so consider this if you rely on such a package from your cable provider.
  • Speed Depends on ISP: The modem’s speed capabilities are subject to your ISP’s available service plans.
  • Cost Savings: By using this modem, you can say goodbye to rental fees, offering a financial relief.

Pros

  • Future-proof with DOCSIS 3.1 and support for multi-gig speed tiers.
  • Four Ethernet ports cater to a variety of wired devices for flexible Connectivity.
  • Eliminates monthly rental fees, offering long-term savings.

Cons

  • Not compatible with bundled voice services which might be a dealbreaker for some.
  • Initial setup could be tricky without following specific online guidance.
  • Potential compatibility issues with ISPs other than Xfinity, Cox, and Spectrum.

Ideal Buyer

The NETGEAR Nighthawk CM1200 modem is ideal for users seeking a simple, reliable, and compatible modem, especially with Xfinity. It’s suitable for those who need multiple high-speed wired connections for gaming or home offices.

Users should be aware of the lack of voice service support and consider their ISP’s service plans for speed. It’s an excellent choice for cost-conscious individuals looking to save on rental fees.

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ARRIS Surfboard S33

ARRIS Surfboard S33

Key Features

  • High-performance DOCSIS 3.1 cable modem.
  • Supports gigabit internet speeds for fast downloads and streaming.
  • Compatible with major cable internet providers.
  • Ideal for online gaming and 4K streaming.
  • Easy setup and reliable connectivity.
Check the Price on Amazon

Why Should You Buy It ?

  • Improved Internet Performance: The ARRIS Surfboard S33 enhances internet performance, especially during video conferencing and file transfers, ensuring a stable and fast connection for remote work.
  • Easy Setup: Its straightforward setup eliminates the need for lengthy phone calls or technician visits, offering a convenient self-service approach.
  • Cost Savings: By switching to this modem, you can eliminate monthly rental fees, saving you money in the long run.
  • Future-Proofing: Supporting DOCSIS 3.1, it future-proofs your setup, ensuring compatibility with potential upgrades from your internet service provider like Xfinity.
  • Secure and Modern: The modem provides peace of mind with modern and secure features.
  • Router Requirement: While it lacks a built-in router, you’ll need to invest in a separate one for wireless connectivity, adding initial cost and setup complexity.

Pros

  • Quick to set up with the SURFboard Central App and seamless integration with Xfinity.
  • Multi-Gigabit speed is a game changer for our ultra-connected homes.
  • Owning this modem means no more rental fees, saving money in the long run.

Cons

  • May be an overkill for plans not supporting Gig-speeds.
  • Limited to Ethernet-capable device connectivity without a separate Wi-Fi router.
  • No telephone jack, which might be a downside for users with a landline through their ISP.

Ideal Buyer

The ARRIS Surfboard S33 modem is ideal for individuals or families working from home who prioritize a stable and fast internet connection.

It’s a cost-effective choice for those looking to save on rental fees and desire future-proofing for potential upgrades. Users should be comfortable with setting up a separate router for wireless connectivity.

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Motorola MB8600 Cable Modem

Motorola MB8600 Cable Modem

Key Features

  • Ultra-fast DOCSIS 3.1.
  • Gigabit internet support.
  • Easy setup for multiple devices.
  • Works with major cable providers.
  • 4 Gigabit Ethernet ports for multiple devices.
Check the Price on Amazon

Why Should You Buy It ?

  • High-Bandwidth Performance: Equipped with DOCSIS 3.1 technology, the MB8600 excels in handling multiple high-bandwidth activities simultaneously, ensuring a smooth experience for 4K streaming and gaming.
  • Cost-Efficient Investment: Although the initial cost may seem high, this modem pays off in the long term by eliminating rental fees for ISP-provided modems.
  • Latency Reduction: Its Forward Error Correction feature reduces latency, providing a more responsive internet connection for various online activities..
  • Router Compatibility: While it lacks a built-in router, the MB8600 works seamlessly with any Wi-Fi router, offering flexibility in customizing your home network setup.

Pros

  • Compatible with high-speed plans and can handle up to 1 Gbps.
  • Compatible with high-speed plans and can handle up to 1 Gbps.
  • Saves money over time by dodging rental fees.

Cons

  • Limited to a single device connection via Ethernet.
  • No built-in Wi-Fi router capabilities.
  • Is not compatible with non-cable internet services like DSL.

Ideal Buyer

The MB8600 DOCSIS 3.1 Cable Modem is ideal for users seeking a high-performance modem to support multiple high-bandwidth activities.

It’s a smart investment for those looking to save money on rental fees and value reduced latency. Users who prioritize the flexibility to choose their own router will find this modem a convenient choice for tailoring their home network setup.

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Buying Guide

When selecting the best modem for Xfinity, we consider several critical features to ensure compatibility and optimal performance.

By carefully evaluating these aspects, we will be well-equipped to make an informed decision that aligns with our specific requirements and ensures we enjoy a seamless and reliable internet experience with Xfinity.

Performance Requirements

RequirementAttribute
Max Upload/Download SpeedsEnsure it matches or exceeds our Xfinity plan’s speed.

Compatibility

FeatureWhy It’s Important
DOCSIS StandardIt determines the data transfer speed capability. Look for DOCSIS 3.0 or higher.
Channel BondingHigher numbers, like 24×8, indicate faster speeds and more reliable connections.

Networking Needs

FeatureWhy It’s Important
Built-in Wi-Fi RouterConvenient but optional. Ensure it meets our Wi-Fi speed and range needs if we opt for a modem-router combo.
Ethernet PortsNumber of ports dictates how many wired devices we can connect.

Future-Proofing

FeatureWhy It’s Important
Advanced TechnologyLook for features like IPv6 support to ensure the modem remains relevant.

Additional Considerations

  • Customer support options.
  • Price relating to our budget.
  • Manufacturer’s warranty.

Final Review

  • Netgear CM1000: Cost-effective, may need occasional resets, separate Wi-Fi router required; ideal for budget-conscious users who value savings.
  • ARRIS SB8200: Reliable, easy setup, versatile, cost-effective, ideal for heavy users seeking a dependable and money-saving solution.
  • NETGEAR CM1200: Simple setup, Xfinity compatible, supports multiple devices; great for those looking for reliability and compatibility with Xfinity.
  • ARRIS S33: Robust performance, easy setup, cost-effective; suitable for users who prioritize strong performance and savings but need a separate router for Wi-Fi.
  • Motorola MB8600: Reliable, high performance, cost savings; perfect for power users and gamers but requires a separate Wi-Fi Router.
  • Top Pick: The ARRIS SURFboard SB8200 combines performance, reliability, and cost savings, making it the top choice for a wide range of users.

FAQs

For 1080p gaming, the NVIDIA GTX 1660 Ti provides excellent performance with the Ryzen 5 3600, offering a smooth gaming experience on high settings without overspending.

The AMD Radeon RX 580 and the NVIDIA GTX 1650 Super are both cost-effective options that complement the Ryzen 5 3600’s capabilities, providing good performance for gamers on a budget.

Yes, the Ryzen 5 3600 can pair effectively with the RTX 3070 without significant bottlenecking, especially when gaming at higher resolutions, such as 1440p or 4K, where the GPU demands are greater.

For optimal performance within the AMD lineup, consider the Radeon RX 5700 XT with the Ryzen 5 3600. It provides an excellent balance between price and performance for gaming at 1440p.

The NVIDIA RTX 2060 is a popular choice for pairing with the Ryzen 5 3600 for gaming. It strikes a solid balance between cost and performance, supporting ray tracing and DLSS for modern titles.

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