10 Best Xfinity Compatible Modem Router Combinations 2026 in the United States
#1
Winner
ARRIS (G54) - Cable Modem Router Combo - Fast DOCSIS 3.1 Multi-Gigabit & BE 18000 WiFi 7 Comcast Xfinity, Cox, Spectrum Quad-Band 1, Up to 18 Gbps Max Speed
The ARRIS G54 Cable Modem Router Combo is a robust choice for those looking to save on rental fees and enjoy high-speed internet. It supports the latest DOCSIS 3.1 technology, making it ten times faster than the older DOCSIS 3.0 standard and suitable for internet plans up to 10 Gbps. This means it's well-suited for heavy internet usage, including gaming and streaming, with minimal lag.
Rating
10.0
Chosen by1,273
Compatibility
Speed
Most important from
218 reviews
#2
NETGEAR Nighthawk Modem Router Combo (CAX30) DOCSIS 3.1 Cable Modem and WiFi 6 Router - AX2700 2.7 Gbps - Compatible with Xfinity, Spectrum, Cox, and More - Gigabit Wireless Internet
The NETGEAR Nighthawk Modem Router Combo (CAX30) is a robust option for anyone using cable internet from major providers like Xfinity, Spectrum, and Cox, especially if you have a plan of up to 2Gbps. One of its standout features is the DOCSIS 3.1 standard, which ensures high-speed performance and future-proofing as internet speeds continue to rise. With dual-band Wi-Fi 6 technology, it can provide speeds up to 2.7Gbps and covers a sizable area of 2,500 sq. ft., making it a great choice for larger homes with multiple devices—up to 25 at once! The four Ethernet ports add versatility, allowing for wired connections to devices like gaming consoles and computers, which is great for enhancing speed and stability during high-demand activities.
Rating
9.4
DOCSIS Standard
Speed
Wi-Fi Standards
Most important from
1399 reviews
#3
Arris (G20) - Cable Modem Router Combo - Fast DOCSIS 3.1 Multi-Gigabit WiFi 6 (AX3000), Approved for Comcast Xfinity, Cox, Spectrum & More, 1.0 Gbps Max Speeds, Next-Generation Upload Optimized
The ARRIS (G20) Cable Modem Router Combo is a solid choice for those looking to upgrade their home network with a device compatible with Comcast Xfinity, Cox, Spectrum, and other major U.S. cable internet service providers. It supports the latest DOCSIS 3.1 technology, which is significantly faster than its predecessor, DOCSIS 3.0, and is designed for multi-gig networking. This means you'll experience faster downloads, uploads, and reduced lag, which is particularly beneficial for activities like streaming and gaming.
Rating
9.1
Compatibility
Speed
Ethernet Ports
Most important from
161 reviews
Top 10 Best Xfinity Compatible Modem Router Combinations 2026 in the United States
#1
Winner
ARRIS (G54) - Cable Modem Router Combo - Fast DOCSIS 3.1 Multi-Gigabit & BE 18000 WiFi 7 Comcast Xfinity, Cox, Spectrum Quad-Band 1, Up to 18 Gbps Max Speed
ARRIS (G54) - Cable Modem Router Combo - Fast DOCSIS 3.1 Multi-Gigabit & BE 18000 WiFi 7 Comcast Xfinity, Cox, Spectrum Quad-Band 1, Up to 18 Gbps Max Speed
Compatibility: Comcast Xfinity, Spectrum, Cox
DOCSIS Standard: DOCSIS 3.1
Speed: up to 18 Gbps
Wi-Fi Standards: Wi-Fi 7, 802.11.be
Ethernet Ports: four 1-Gigabit, one 10-Gigabit
Security Features: advanced security, parental controls
Chosen by 1273 this week
NETGEAR Nighthawk Modem Router Combo (CAX30) DOCSIS 3.1 Cable Modem and WiFi 6 Router - AX2700 2.7 Gbps - Compatible with Xfinity, Spectrum, Cox, and More - Gigabit Wireless Internet
NETGEAR Nighthawk Modem Router Combo (CAX30) DOCSIS 3.1 Cable Modem and WiFi 6 Router - AX2700 2.7 Gbps - Compatible with Xfinity, Spectrum, Cox, and More - Gigabit Wireless Internet
Compatibility: Xfinity, Spectrum, Cox
DOCSIS Standard: 3.1
Speed: 2.7Gbps
Wi-Fi Standards: Wi-Fi 6
Ethernet Ports: 4
Security Features: NETGEAR Armor, firmware updates
Arris (G20) - Cable Modem Router Combo - Fast DOCSIS 3.1 Multi-Gigabit WiFi 6 (AX3000), Approved for Comcast Xfinity, Cox, Spectrum & More, 1.0 Gbps Max Speeds, Next-Generation Upload Optimized
Arris (G20) - Cable Modem Router Combo - Fast DOCSIS 3.1 Multi-Gigabit WiFi 6 (AX3000), Approved for Comcast Xfinity, Cox, Spectrum & More, 1.0 Gbps Max Speeds, Next-Generation Upload Optimized
Compatibility: Comcast, Cox, Spectrum, major U.S. providers
DOCSIS Standard: DOCSIS 3.1
Wi-Fi Standards: Wi-Fi 6 (802.11ax)
Ethernet Ports: multiple wired connections
Security Features: Internet Security, Parental Control, Guest Mode
Arris (G18) - Cable Modem Router Combo - Fast DOCSIS 3.1 Multi-Gigabit WiFi 6 (AX1800), Approved for Comcast Xfinity, Cox, Spectrum & More
Arris (G18) - Cable Modem Router Combo - Fast DOCSIS 3.1 Multi-Gigabit WiFi 6 (AX1800), Approved for Comcast Xfinity, Cox, Spectrum & More
Compatibility: Xfinity, Spectrum, Cox
Internet Speed: DOCSIS 3.1
Wi-Fi Standards: Dual-band Wi-Fi 6
Number of Ethernet Ports: 4
Dual-Band vs. Tri-Band: Dual-band
Range and Coverage: Better home coverage
Motorola MG8725 WiFi 6 Router + Multi-Gig Cable Modem | 2-in-1 Device | Approved for Comcast Xfinity, Cox, Spectrum| Up to 6000 Mbps | DOCSIS 3.1 | AX6000
Motorola MG8725 WiFi 6 Router + Multi-Gig Cable Modem | 2-in-1 Device | Approved for Comcast Xfinity, Cox, Spectrum| Up to 6000 Mbps | DOCSIS 3.1 | AX6000
Compatibility: Comcast Xfinity, Cox, Spectrum; no Xfinity 5G
Internet Speed: up to 6000 Mbps
Wi-Fi Standards: 802.11ax (Wi-Fi 6)
Number of Ethernet Ports: 1 2.5G, 3 Gigabit ports
Dual-Band vs. Tri-Band: Dual-Band
Range and Coverage: Whole home coverage with boost
Additional Features: Beamforming, Low Latency, Security, WPS
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NETGEAR Nighthawk Cable Modem and WiFi 6 Router Combo (CAX80) - Compatible with All Major Cable Providers incl. Xfinity, Spectrum, Cox - Cable Plans up to 6Gbps - AX6000 WiFi 6 Speed - DOCSIS 3.1
NETGEAR Nighthawk Cable Modem and WiFi 6 Router Combo (CAX80) - Compatible with All Major Cable Providers incl. Xfinity, Spectrum, Cox - Cable Plans up to 6Gbps - AX6000 WiFi 6 Speed - DOCSIS 3.1
Compatibility: Xfinity, Spectrum, Cox
DOCSIS Standard: DOCSIS 3.1
Speed: up to 6Gbps
Wi-Fi Standards: WiFi 6 (AX6000)
Number of Channels: 32x8
Ethernet Ports: Four Gigabit, one 2.5 Multi-Gig
Security Features: NETGEAR Armor, automatic updates, built-in safety
Motorola MG8702 | DOCSIS 3.1 Cable Modem + Wi-Fi Router (High Speed Combo) with Intelligent Power Boost | AC3200 Wi-Fi Speed | Approved for Comcast Xfinity, Cox, and Charter Spectrum
Motorola MG8702 | DOCSIS 3.1 Cable Modem + Wi-Fi Router (High Speed Combo) with Intelligent Power Boost | AC3200 Wi-Fi Speed | Approved for Comcast Xfinity, Cox, and Charter Spectrum
Compatibility: Xfinity, Cox, Charter Spectrum
DOCSIS Standard: DOCSIS 3.1
Speed: AC3200
Wi-Fi Standards: 2.4 GHz, 5 GHz
Ethernet Ports: Multiple
Security Features: Parental controls, security alerts
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: 800 Mbps
Wi-Fi Standards: AC1900
Number of Channels: 24 downstream, 8 upstream
Ethernet Ports: 4
Security Features: Built-in firewall, Broadcom chipset
NETGEAR Nighthawk Cable Modem and WiFi 5 Router Combo (C7000) - Compatible with Major Cable Providers incl. Xfinity & Cox - Cable Plans up to 800Mbps - AC1900 (Up to 1.9Gbps) - DOCSIS 3.0
NETGEAR Nighthawk Cable Modem and WiFi 5 Router Combo (C7000) - Compatible with Major Cable Providers incl. Xfinity & Cox - Cable Plans up to 800Mbps - AC1900 (Up to 1.9Gbps) - DOCSIS 3.0
Compatibility: Xfinity, Spectrum, Cox
DOCSIS Standard: 3.0
Speed: up to 800Mbps
Wi-Fi Standards: 802.11a/b/g/n/ac
Ethernet Ports: 4 Gigabit ports
Security Features: WPA/WPA2, NETGEAR Armor
#10
Arris Surfboard S34 DOCSIS 3.1 Multi‑Gig Cable Modem | 2.5Gbps + 1Gbps Ethernet Ports | Xfinity, Cox, Spectrum for Cable Internet Plans up to 2.5Gbps Next Gen Upstream. Modem Only, Router Required
Arris Surfboard S34 DOCSIS 3.1 Multi‑Gig Cable Modem | 2.5Gbps + 1Gbps Ethernet Ports | Xfinity, Cox, Spectrum for Cable Internet Plans up to 2.5Gbps Next Gen Upstream. Modem Only, Router Required
Compatibility: Comcast Xfinity, Cox, Spectrum
DOCSIS Standard: DOCSIS 3.1
Speed: up to 2.5 Gbps
Ethernet Ports: 2.5 Gbps, 1 Gbps
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Buying Guide for the Best Xfinity Compatible Modem Router Combinations
Choosing the right Xfinity-compatible modem-router combination can significantly enhance your internet experience. The modem-router combo is a device that combines the functions of a modem and a router, providing both internet connectivity and Wi-Fi distribution in one unit. When selecting the best fit for you, it's important to consider several key specifications to ensure the device meets your needs and provides reliable performance.CompatibilityCompatibility is crucial because not all modem-router combinations work with Xfinity. This spec ensures that the device can connect to Xfinity's network and provide internet service. To navigate this, check the device's compatibility list or the manufacturer's website to confirm it supports Xfinity. Picking a compatible device ensures you won't face connectivity issues and can fully utilize your internet plan.
Internet SpeedInternet speed refers to the maximum speed the modem-router can handle. This is important because it determines how fast your internet connection will be. Modem-routers are often segmented by their speed capabilities, such as up to 100 Mbps, 300 Mbps, 600 Mbps, or even higher. To pick the right one, match the modem-router's speed with your internet plan. If you have a high-speed plan, choose a device that can handle those speeds to avoid bottlenecks.
Wi-Fi StandardsWi-Fi standards (like 802.11n, 802.11ac, and 802.11ax) indicate the technology the router uses to broadcast Wi-Fi. This is important because newer standards offer faster speeds and better performance. For example, 802.11ac (Wi-Fi 5) is faster than 802.11n (Wi-Fi 4), and 802.11ax (Wi-Fi 6) is even faster and more efficient. Choose a modem-router with the latest standard you can afford to ensure better performance and future-proofing.
Number of Ethernet PortsThe number of Ethernet ports determines how many wired devices you can connect directly to the modem-router. This is important for devices that require a stable and fast connection, like gaming consoles or desktop computers. Modem-routers typically have 2 to 4 Ethernet ports. Consider how many wired connections you need and choose a device with enough ports to accommodate your setup.
Dual-Band vs. Tri-BandDual-band and tri-band refer to the number of frequency bands the router can broadcast. Dual-band routers offer two bands (2.4 GHz and 5 GHz), while tri-band routers offer an additional 5 GHz band. This is important for managing network traffic and reducing interference. If you have many devices or do a lot of high-bandwidth activities like streaming or gaming, a tri-band router can provide better performance. For average use, a dual-band router is usually sufficient.
Range and CoverageRange and coverage indicate how far the Wi-Fi signal can reach. This is important for ensuring that all areas of your home have a strong Wi-Fi signal. Modem-routers vary in their coverage capabilities, with some designed for small apartments and others for larger homes. Consider the size of your home and choose a device that can cover the entire area without dead zones.
Additional FeaturesAdditional features like parental controls, guest networks, and Quality of Service (QoS) can enhance your internet experience. These features are important for managing your network and ensuring optimal performance. For example, parental controls can restrict access to certain websites, guest networks can provide internet access to visitors without giving them access to your main network, and QoS can prioritize bandwidth for important activities. Consider which features are important to you and choose a modem-router that offers them.