10 Best Xfinity Recommended Modem 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 is a modern cable modem router combo designed to work well with major US internet providers like Xfinity, Spectrum, and Cox. It supports the latest DOCSIS 3.1 standard, which means it can handle very fast internet speeds—up to 18 Gbps under ideal conditions—and is ready for future internet speed upgrades. The inclusion of Wi-Fi 7 technology provides strong wireless coverage, potentially covering up to 5,000 square feet, making it a good choice for larger homes or heavy internet users.
Rating
10.0
Chosen by1,171
DOCSIS Standard
Speed
Compatibility
Most important from
229 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 CAX30 is a solid choice if you’re looking for a modem-router combo that works well with Xfinity and other major cable internet providers like Spectrum and Cox. It supports the latest DOCSIS 3.1 standard, which is important for getting the fastest and most reliable cable internet speeds, especially with plans up to 2 Gbps. Thanks to its WiFi 6 (AX2700) dual-band technology, it can deliver fast wireless speeds up to 2.7 Gbps and handle up to 25 devices comfortably, making it suitable for homes with multiple users and smart devices. The 32x8 channel bonding further boosts your internet stability and performance during peak times.
Rating
9.4
Speed
Most important from
1451 reviews
#3
NETGEAR Nighthawk DOCSIS 3.1 Mid/high-Split Cable Modem (CM3000-1AZNAS) – Approved for Today’s Fastest Speeds - Works With all Cable Providers, Incl. Xfinity, Spectrum, Cox - Cable Plans up to 2.5Gbps
The NETGEAR Nighthawk CM3000-1AZNAS is a strong choice for users with fast cable internet plans, especially those offered by Xfinity, Spectrum, or Cox. It supports the latest DOCSIS 3.1 standard with mid/high-split technology, allowing it to reach download speeds up to 2.5Gbps and upload speeds up to 1Gbps. This makes it ideal for activities like gaming, video conferencing, and uploading large files without lag. The modem is future-ready, supporting high-speed plans that many older models can’t handle.
Rating
8.8
Speed
Built-in Router
Most important from
2963 reviews
Top 10 Best Xfinity Recommended Modem 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
DOCSIS Standard: 3.1
Speed: up to 18 Gbps
Compatibility: Xfinity, Spectrum, Cox
Built-in Router: Yes
Ethernet Ports: 4x 1-Gigabit, 1x 10-Gigabit
Chosen by 1171 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
DOCSIS Standard: 3.1
Speed: up to 2.7 Gbps
Channel Bonding: 32x8
Compatibility: Xfinity, Spectrum, Cox; no DSL, Verizon
Built-in Router: Yes
Ethernet Ports: 4 gigabit
NETGEAR Nighthawk DOCSIS 3.1 Mid/high-Split Cable Modem (CM3000-1AZNAS) – Approved for Today’s Fastest Speeds - Works With all Cable Providers, Incl. Xfinity, Spectrum, Cox - Cable Plans up to 2.5Gbps
NETGEAR Nighthawk DOCSIS 3.1 Mid/high-Split Cable Modem (CM3000-1AZNAS) – Approved for Today’s Fastest Speeds - Works With all Cable Providers, Incl. Xfinity, Spectrum, Cox - Cable Plans up to 2.5Gbps
DOCSIS Standard: DOCSIS 3.1
Speed: Download 2.5Gbps, Upload 1Gbps
Compatibility: Xfinity, Spectrum, Cox
Built-in Router: No
Ethernet Ports: 1x 2.5Gig, 2x Gigabit ports
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
DOCSIS Standard: DOCSIS 3.1
Speed: up to 1 Gbps
Compatibility: Comcast Xfinity, Spectrum, Cox
Built-in Router: Yes
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
DOCSIS Standard: 3.1
Compatibility: Comcast Xfinity, Spectrum, Cox
Built-in Router: Wi-Fi 6 (AX1800)
Ethernet Ports: 4
Related Products
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ARRIS SURFboard SB8200 DOCSIS 3.1 Multi‑Gig Cable Modem | 2 -1Gbps Ethernet Ports | Works with Xfinity, Cox, Spectrum | For Cable Internet Plans up to 2Gbps | Modem Only, Router Required
ARRIS SURFboard SB8200 DOCSIS 3.1 Multi‑Gig Cable Modem | 2 -1Gbps Ethernet Ports | Works with Xfinity, Cox, Spectrum | For Cable Internet Plans up to 2Gbps | Modem Only, Router Required
Compatibility: Router
DOCSIS Standard: DOCSIS 3.1
Speed: 1 Gbps
Channels: 4 OFDM
Built-in Router: No
ISP Support: Xfinity, Cox, Spectrum
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
DOCSIS Standard: 3.1
Speed: 6Gbps
Channel Bonding: 32x8
Compatibility: Works with cable, not DSL or fiber
Built-in Router: WiFi 6 dual-band
Ethernet Ports: Four 1Gbps and one 2.5Gbps port
NETGEAR Nighthawk DOCSIS 3.1 Mid/high-Split Cable Modem (CM2500-1AZNAS) – Approved for Today’s Faster Speeds - Works with All Cable Providers Incl. Xfinity, Spectrum, Cox - Plans up to 2Gbps
NETGEAR Nighthawk DOCSIS 3.1 Mid/high-Split Cable Modem (CM2500-1AZNAS) – Approved for Today’s Faster Speeds - Works with All Cable Providers Incl. Xfinity, Spectrum, Cox - Plans up to 2Gbps
DOCSIS Standard: 3.1
Speed: Up to 2Gbps down, 1Gbps up
Compatibility: Xfinity, Spectrum, Cox
Built-in Router: No
Ethernet Ports: Two Gigabit Ethernet ports
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
DOCSIS Standard: DOCSIS 3.1
Speed: 6000 Mbps
Compatibility: Comcast Xfinity, other major providers
Built-in Router: WiFi 6
Ethernet Ports: 1x 2.5G + 3x 1G ports
#10
NETGEAR Nighthawk Cable Modem and Router - DOCSIS 3.1 (CM1000) Gigabit, Compatible with All Major ISP Providers Including Xfinity, Spectrum, Cox, for Cable Plans Up to 1 Gbps,Black
NETGEAR Nighthawk Cable Modem and Router - DOCSIS 3.1 (CM1000) Gigabit, Compatible with All Major ISP Providers Including Xfinity, Spectrum, Cox, for Cable Plans Up to 1 Gbps,Black
DOCSIS Standard: DOCSIS 3.1
Speed: 1 Gbps
Channel Bonding: good
Compatibility: xfinity; spectrum; cox; optimum
Ethernet Ports: 1
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Buying Guide for the Best Xfinity Recommended Modem
Choosing the right modem for your Xfinity internet service is crucial for ensuring you get the best performance and reliability. A modem is the device that connects your home network to the internet, and having the right one can make a big difference in your internet speed and overall experience. When selecting a modem, there are several key specifications to consider. Understanding these specs will help you make an informed decision and choose a modem that best fits your needs.DOCSIS StandardDOCSIS (Data Over Cable Service Interface Specification) is the technology standard used by cable modems to provide internet access. 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, which is sufficient for standard internet usage, including streaming and gaming. DOCSIS 3.1 is the latest standard and supports speeds up to 10 Gbps, making it ideal for users with very high-speed internet plans or those who want to future-proof their setup. If you have a high-speed plan or anticipate needing faster speeds in the future, opting for a DOCSIS 3.1 modem is a good choice.
SpeedThe speed of a modem is measured in megabits per second (Mbps) or gigabits per second (Gbps) and indicates how fast data can be downloaded or uploaded. It's important to choose a modem that can handle the maximum speed of your internet plan. For example, if you have a 200 Mbps plan, a modem that supports up to 300 Mbps will be sufficient. However, if you have a gigabit plan, you'll need a modem that supports speeds of 1 Gbps or higher. Consider your current internet plan and any potential upgrades when selecting a modem to ensure it can handle your required speeds.
Channel BondingChannel bonding refers to the number of downstream and upstream channels a modem can use simultaneously. More channels generally mean better performance and higher speeds. For example, a modem with 16x4 channel bonding has 16 downstream channels and 4 upstream channels, which is suitable for moderate internet usage. A modem with 32x8 channel bonding offers even better performance and is ideal for heavy internet usage, such as multiple users streaming or gaming simultaneously. Choose a modem with higher channel bonding if you have a high-speed plan or multiple users in your household.
CompatibilityNot all modems are compatible with all internet service providers (ISPs). It's essential to ensure that the modem you choose is compatible with Xfinity. Xfinity provides a list of approved modems on their website, which can be a helpful resource. Using a compatible modem ensures that you get the best performance and support from your ISP. Always check the compatibility before making a purchase to avoid any issues with your internet connection.
Built-in RouterSome modems come with a built-in router, which combines the functions of both a modem and a wireless router in one device. This can be convenient and save space, but it may not offer the same performance as a separate modem and router. If you have a large home or need advanced features like parental controls or guest networks, a separate modem and router might be a better choice. However, for smaller homes or simpler setups, a modem with a built-in router can be a good option. Consider your home size and network needs when deciding whether to go for a combined device or separate units.
Ethernet PortsEthernet ports on a modem allow you to connect wired devices directly to the internet. The number of ports can vary, with some modems offering just one port and others offering multiple. If you have several devices that require a wired connection, such as gaming consoles, smart TVs, or desktop computers, choose a modem with more Ethernet ports. This will provide a more stable and faster connection for those devices. If you primarily use Wi-Fi, the number of Ethernet ports may be less critical, but it's still good to have at least one or two for flexibility.