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 by1,140
DOCSIS Standard
Speed
Compatibility
Most important from
265 reviews
#2
Hitron CODA56 DOCSIS 3.1 Cable Modem ONLY (NOT Fiber) | 2.5 Gbps | NO WiFi/Voice/Router | Single Ethernet Port | Xfinity/Spectrum/Cox Compatible | Requires Separate WiFi Router
The Hitron CODA56 is a strong choice if you're looking for a high-speed cable modem certified for Xfinity and other major cable providers like Spectrum and Cox. It supports DOCSIS 3.1 technology, which is the latest standard that allows much faster and more reliable internet compared to older models. With a top speed of 2.5 Gbps via its single 2.5 Gigabit Ethernet port, it’s well suited for fast internet plans, helping you get smoother streaming, gaming, and video calls.
Rating
8.8
DOCSIS Standard
Speed
Compatibility
Most important from
2821 reviews
#3
Hitron CODA56 Cable Internet Modem ONLY - DOCSIS 3.1 | 2.5 Gbps | NO WiFi - Requires Router | Xfinity/Spectrum/Cox Compatible | NOT for Fiber/DSL
The Hitron CODA56 is a solid choice if you have cable internet service from providers like Xfinity, Spectrum, or Cox and want to unlock fast speeds up to 2.5 Gbps. It supports the latest DOCSIS 3.1 standard, which means better speed and lower latency perfect for gaming, 4K streaming, or video calls. However, it’s important to know this modem doesn’t include WiFi or a built-in router, so you’ll need to buy a separate router if you want to connect multiple devices wirelessly.
Rating
8.8
DOCSIS Standard
Speed
Compatibility
Most important from
2825 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 1140 this week
Hitron CODA56 DOCSIS 3.1 Cable Modem ONLY (NOT Fiber) | 2.5 Gbps | NO WiFi/Voice/Router | Single Ethernet Port | Xfinity/Spectrum/Cox Compatible | Requires Separate WiFi Router
Hitron CODA56 DOCSIS 3.1 Cable Modem ONLY (NOT Fiber) | 2.5 Gbps | NO WiFi/Voice/Router | Single Ethernet Port | Xfinity/Spectrum/Cox Compatible | Requires Separate WiFi Router
DOCSIS Standard: DOCSIS 3.1
Speed: 2.5 Gbps
Compatibility: Xfinity, Spectrum, Cox, Astound, Grande
Built-in Router: No
Ethernet Ports: 1
Hitron CODA56 Cable Internet Modem ONLY - DOCSIS 3.1 | 2.5 Gbps | NO WiFi - Requires Router | Xfinity/Spectrum/Cox Compatible | NOT for Fiber/DSL
Hitron CODA56 Cable Internet Modem ONLY - DOCSIS 3.1 | 2.5 Gbps | NO WiFi - Requires Router | Xfinity/Spectrum/Cox Compatible | NOT for Fiber/DSL
DOCSIS Standard: DOCSIS 3.1
Speed: 2.5 Gbps
Compatibility: Xfinity, Spectrum, Cox, Charter
Built-in Router: No
Ethernet Ports: 1
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
Hitron CODA DOCSIS 3.1 - Cable Internet ONLY (NOT Compatible with Fiber/DSL) | Up to 1 Gbps Cable Modem | Requires WiFi Router | Xfinity, Spectrum, Cox Certified
Hitron CODA DOCSIS 3.1 - Cable Internet ONLY (NOT Compatible with Fiber/DSL) | Up to 1 Gbps Cable Modem | Requires WiFi Router | Xfinity, Spectrum, Cox Certified
DOCSIS Standard: DOCSIS 3.1
Speed: up to 1 Gbps
Channel Bonding: 2x2 OFDM
Compatibility: Xfinity, Spectrum, Cox, Astound, Grande
Built-in Router: No
Related Products
Up to 38% off
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
Arris Surfboard S33 DOCSIS 3.1 Multi‑Gig Cable Modem | 2.5Gbps + 1Gbps Ethernet Ports | Works with Xfinity, Cox, Spectrum | for Cable Internet Plans up to 2.5Gbps | Modem Only, Router Required
Arris Surfboard S33 DOCSIS 3.1 Multi‑Gig Cable Modem | 2.5Gbps + 1Gbps Ethernet Ports | Works with Xfinity, Cox, Spectrum | for Cable Internet Plans up to 2.5Gbps | Modem Only, Router Required
DOCSIS Standard: DOCSIS 3.1
Speed: 2.5 Gigabits Per Second
Compatibility: Charter, Comcast, Cox, Spectrum, Xfinity
Built-in Router: No
Ethernet Ports: 2
ARRIS (G36) - Cable Modem Router Combo - Fast DOCSIS 3.1 Gigabit WiFi 6 (AX3000), 1.2 Gbps Max Speeds, Approved for Comcast Xfinity, Cox, Spectrum & More [Check with your provider for compatibility]
ARRIS (G36) - Cable Modem Router Combo - Fast DOCSIS 3.1 Gigabit WiFi 6 (AX3000), 1.2 Gbps Max Speeds, Approved for Comcast Xfinity, Cox, Spectrum & More [Check with your provider for compatibility]
DOCSIS Standard: DOCSIS 3.1
Speed: Up to 1.2 Gbps
Compatibility: Xfinity, Spectrum, Cox
Built-in Router: Yes
Ethernet Ports: 5
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
Compatibility: Comcast Xfinity, Cox, Spectrum
DOCSIS Standard: 3.1
Speed: 2500 Mbps down, 800 Mbps up
Channels: 32x8
ISP Support: Comcast, Cox, Spectrum, RCN
#10
ARRIS (G34) - Cable Modem Router Combo - Fast DOCSIS 3.1 Gigabit WiFi 6 (AX3000), Approved for Comcast Xfinity, Cox, Spectrum & More, 1 Gbps Max Internet Speeds
ARRIS (G34) - Cable Modem Router Combo - Fast DOCSIS 3.1 Gigabit WiFi 6 (AX3000), Approved for Comcast Xfinity, Cox, Spectrum & More, 1 Gbps Max Internet Speeds
DOCSIS Standard: DOCSIS 3.1
Speed: Up to 2.5 Gbps
Compatibility: Comcast Xfinity, Cox, Spectrum
Built-in Router: Yes
Ethernet Ports: 4
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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.