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10 Best Xfinity Modems 2025 in the United States
#1
Winner
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
The Motorola MT7711 is a versatile device that combines a cable modem, AC1900 router, and phone ports compatible with Comcast XFINITY services. As a DOCSIS 3.0 modem with 24x8 channel bonding, it supports internet speeds up to 400 Mbps, making it suitable for most household internet needs. The built-in router with dual-band WiFi and Power Boost technology enhances wireless speed and range, ensuring reliable connectivity for multiple devices.
Rating
9.9
Chosen by1,117
Speed
Channel Bonding
Compatibility
Most important from
6014 reviews
#2
Hitron CODA56 Multi-Gigabit DOCSIS 3.1 Modem | 2.5 Gbps Max Internet Speeds | Certified with Xfinity, Charter Spectrum, Cox | 10x Faster Than DOCSIS 3.0 | 2.5 Gbps Ethernet Cable Modem ONLY
The Hitron CODA56 Multi-Gigabit DOCSIS 3.1 Modem is designed for users with high-speed internet plans, supporting speeds up to 2.5 Gbps. It's compatible with major ISPs like Xfinity, Spectrum, and Cox. The modem shines with its DOCSIS 3.1 standard, which is ten times faster than DOCSIS 3.0, ideal for users who need fast internet for gaming, streaming, and video conferencing. One major advantage is the ability to save on rental fees, potentially saving up to $168 annually.
Rating
9.8
Speed
Compatibility
Most important from
2099 reviews
#3
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
The Motorola MG7700 Modem WiFi Router Combo is a versatile device designed for households seeking to consolidate their modem and Wi-Fi router into a single unit. It is compatible with major ISPs like Comcast Xfinity, Cox, and Spectrum, making it a convenient choice for many users. The modem supports DOCSIS 3.0 and offers downstream speeds up to 1000 Mbps, although it is optimized for service plans up to 800 Mbps. This should be sufficient for most standard residential internet needs, including streaming and gaming.
Rating
9.8
Speed
Most important from
15262 reviews
Top 10 Best Xfinity Modems 2025 in the United States
#1
Winner
9.9 score
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 with Two Phone Ports, DOCSIS 3.0 Modem, and AC1900 Dual Band WiFi Gigabit Router, for Comcast XFINITY Internet and Voice
DOCSIS Standard: DOCSIS 3.0
Speed: 400 Mbps
Channel Bonding: 24x8
Compatibility: Comcast XFINITY
Built-in Router: Yes
Ethernet Ports: 4
Security Features: Broadcom chipset
Chosen by 1117 this week
Hitron CODA56 Multi-Gigabit DOCSIS 3.1 Modem | 2.5 Gbps Max Internet Speeds | Certified with Xfinity, Charter Spectrum, Cox | 10x Faster Than DOCSIS 3.0 | 2.5 Gbps Ethernet Cable Modem ONLY
Hitron CODA56 Multi-Gigabit DOCSIS 3.1 Modem | 2.5 Gbps Max Internet Speeds | Certified with Xfinity, Charter Spectrum, Cox | 10x Faster Than DOCSIS 3.0 | 2.5 Gbps Ethernet Cable Modem ONLY
DOCSIS Standard: DOCSIS 3.1
Speed: up to 2.5 Gbps
Compatibility: Xfinity, Spectrum, Cox
Built-in Router: No
Ethernet Ports: 1 x 2.5 gigabit port
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 with Power Boost | Approved by Comcast Xfinity, Cox and Spectrum | for Cable Plans Up to 800 Mbps | DOCSIS 3.0 + Gigabit Router
Compatibility: Comcast Xfinity, Cox, Spectrum
DOCSIS Standard: DOCSIS 3.0
Speed: up to 1000 Mbps
Built-in Router: AC1900 dual-band Wi-Fi
ISP Approval: Xfinity, Cox
Motorola MG7550 - Modem with Built in WiFi | Approved for Comcast Xfinity, Cox | For Plans Up to 300 Mbps | DOCSIS 3.0 + AC1900 WiFi Router | Power Boost Enabled
Motorola MG7550 - Modem with Built in WiFi | Approved for Comcast Xfinity, Cox | For Plans Up to 300 Mbps | DOCSIS 3.0 + AC1900 WiFi Router | Power Boost Enabled
DOCSIS Standard: DOCSIS 3.0
Speed: 300 Mbps
Channel Bonding: 16 down, 4 up channels
Compatibility: Comcast, Cox, major cable providers
Built-in Router: AC1900 dual-band WiFi
Ethernet Ports: Four Gigabit ports
Security Features: Broadcom chipset, DoS protection
Motorola MB7621 Cable Modem | Pairs with Any WiFi Router | Approved by Comcast Xfinity, Cox, and Spectrum | for Cable Plans Up to 900 Mbps | DOCSIS 3.0
Motorola MB7621 Cable Modem | Pairs with Any WiFi Router | Approved by Comcast Xfinity, Cox, and Spectrum | for Cable Plans Up to 900 Mbps | DOCSIS 3.0
Compatibility: Comcast Xfinity, Cox, Spectrum
DOCSIS Standard: DOCSIS 3.0
Speed: 900 Mbps
Built-in Router: No
ISP Approval: Time Warner, Xfinity, Charter, Cox
Related Products
Hitron CODA DOCSIS 3.1 Modem | 1 Gbps Max Internet Speeds | Certified with Comcast Xfinity, Charter Spectrum, Cox & More | 10x Faster Than DOCSIS 3.0 | 1 Gbps Ethernet Cable Modem ONLY
Hitron CODA DOCSIS 3.1 Modem | 1 Gbps Max Internet Speeds | Certified with Comcast Xfinity, Charter Spectrum, Cox & More | 10x Faster Than DOCSIS 3.0 | 1 Gbps Ethernet Cable Modem ONLY
Compatibility: PC, Router, Ethernet devices
DOCSIS Standard: DOCSIS 3.1
Speed: up to 1 Gbps
Built-in Router: No
ISP Approval: Comcast, Charter, Cox
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 | Pairs with Any WiFi Router | Approved for Comcast Xfinity, Cox Gigablast, Spectrum | 2.5 Gbps Port | 2500 Mbps Max Internet Speeds
DOCSIS Standard: DOCSIS 3.1
Speed: 2.5 Gbps
Compatibility: Comcast Xfinity, Cox, Spectrum
Built-in Router: No
Ethernet Ports: 1 x 2.5 Gbps
MOTOROLA 8x4 Cable Modem, Model MB7220, 343 Mbps DOCSIS 3.0, Certified by Comcast XFINITY, Time Warner Cable, Cox, BrightHouse, and More (No Wireless)
MOTOROLA 8x4 Cable Modem, Model MB7220, 343 Mbps DOCSIS 3.0, Certified by Comcast XFINITY, Time Warner Cable, Cox, BrightHouse, and More (No Wireless)
Compatibility: Comcast Xfinity, Time Warner, Cox
DOCSIS Standard: 3.0
Speed: 343 Mbps
Channels: 8x4
Built-in Router: No
MOTOROLA MG7540 16x4 Cable Modem Plus AC1600 Dual Band Wi-Fi Gigabit Router with DFS, 686 Mbps Maximum DOCSIS 3.0 - Approved by Comcast Xfinity, Cox, Charter Spectrum, More
MOTOROLA MG7540 16x4 Cable Modem Plus AC1600 Dual Band Wi-Fi Gigabit Router with DFS, 686 Mbps Maximum DOCSIS 3.0 - Approved by Comcast Xfinity, Cox, Charter Spectrum, More
Compatibility: Comcast, Cox, Charter
DOCSIS Standard: DOCSIS 3.0
Speed: up to 375 Mbps
Channels: 16x4
Built-in Router: AC1600 Dual Band Wi-Fi
ISP Approval: Comcast, Cox, Charter
#10
8.1 score
MOTOROLA 16x4 Cable Modem, Model MB7420, 686 Mbps DOCSIS 3.0, Certified by Comcast XFINITY, Charter Spectrum, Time Warner Cable, Cox, BrightHouse, and More
MOTOROLA 16x4 Cable Modem, Model MB7420, 686 Mbps DOCSIS 3.0, Certified by Comcast XFINITY, Charter Spectrum, Time Warner Cable, Cox, BrightHouse, and More
Compatibility: Comcast, Charter, Time Warner
DOCSIS Standard: DOCSIS 3.0
Speed: 686 Mbps
Channels: 16x4 bonding
Built-in Router: No
ISP Approval: Time Warner, Xfinity, Charter, BrightHouse, Cox
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Buying Guide for the Best Xfinity Modems
Choosing the right modem for your Xfinity internet service is crucial for ensuring a reliable and fast internet connection. The modem is the device that connects your home network to the internet, so it's important to pick one that meets your needs and is compatible with your service plan. Here are some key specifications to consider when selecting an Xfinity modem, along with explanations to help you make an informed decision.CompatibilityCompatibility refers to whether the modem works with your specific Xfinity internet plan. This is important because not all modems are compatible with all service plans. To navigate this, check the modem's specifications or the Xfinity website to ensure it supports your internet speed tier. If you have a high-speed plan, make sure the modem can handle those speeds. For lower-speed plans, a basic modem will suffice. Your need for compatibility is guided by your current or planned Xfinity service plan.
DOCSIS StandardDOCSIS (Data Over Cable Service Interface Specification) is the technology standard that modems use to deliver internet service. The most common standards are DOCSIS 3.0 and DOCSIS 3.1. DOCSIS 3.0 is suitable for most users and supports speeds up to 1 Gbps, while DOCSIS 3.1 is more future-proof and supports speeds up to 10 Gbps. If you have a high-speed plan or want to ensure your modem remains relevant for future upgrades, opt for DOCSIS 3.1. For standard internet usage, DOCSIS 3.0 is typically sufficient.
SpeedThe speed rating of a modem indicates the maximum internet speed it can handle. This is important because it determines how well the modem can support your internet activities. Modems are often rated in Mbps (megabits per second) or Gbps (gigabits per second). For basic browsing and streaming, a modem with speeds up to 300 Mbps is adequate. For gaming, 4K streaming, or multiple users, consider a modem with speeds of 1 Gbps or higher. Your internet usage patterns will guide you in choosing the right speed.
ChannelsChannels refer to the number of data streams the modem can handle simultaneously. This is important for managing internet traffic and ensuring a stable connection. Modems typically have a certain number of downstream (download) and upstream (upload) channels. For light internet use, a modem with 8x4 channels (8 downstream and 4 upstream) is sufficient. For heavy use, such as gaming or streaming, look for modems with 16x4 or 32x8 channels. Your internet usage and the number of devices connected will help determine the right number of channels.
Built-in RouterSome modems come with a built-in router, which combines the functions of both devices into one unit. This is important for convenience and reducing the number of devices you need. If you prefer a simple setup and have a small to medium-sized home, a modem-router combo can be a good choice. However, if you have a large home or require advanced networking features, a separate modem and router might be better. Your preference for simplicity versus advanced features will guide this decision.
ISP ApprovalISP approval means that the modem has been tested and certified by Xfinity to work with their service. This is important to ensure compatibility and optimal performance. To navigate this, check the list of approved modems on the Xfinity website. Choosing an approved modem ensures that you won't encounter issues with your internet service. Your need for a hassle-free experience will guide you to select an ISP-approved modem.