We Use CookiesWe use cookies to enhance the security, performance,
functionality and for analytical and promotional activities. By continuing to browse this site you
are agreeing to our privacy policy
7 Best Xfinity Modem For Voice And Internet 2026 in the United States
#1
Winner
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 is a solid choice for anyone in need of a cable modem and router combo, particularly if you’re using Comcast Xfinity or similar providers. One of its main strengths is its DOCSIS 3.1 technology, which offers significantly faster speeds and better performance compared to older standards. This means smoother streaming, quicker downloads, and reduced lag during gaming, making it a good fit for households with multiple users or devices.
Rating
10.0
Chosen by1,104
Speed
Ethernet Ports
Most important from
154 reviews
#2
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
The NETGEAR Nighthawk Modem Router Combo C7000 is a solid choice for those seeking a reliable device for voice and internet services, particularly if you're an Xfinity subscriber. It supports plans up to 800Mbps, making it a good fit for users with mid-range internet needs. The DOCSIS 3.0 standard ensures compatibility with many cable providers, offering flexibility if you switch services. With a WiFi coverage of up to 1,800 sq. ft. and the capability to connect up to 30 devices, it’s designed to accommodate a busy household or small office.
Rating
8.8
Speed
Wi-Fi Capability
Most important from
5881 reviews
#3
ARRIS SURFboard SVG2482AC DOCSIS 3.0 Cable Modem & AC2350 Wi-Fi Router , Comcast Xfinity Internet & Voice , Four 1 Gbps Ports , 2 Telephony Ports for Digital Voice , Up to 800 Mbps
The ARRIS SURFboard SVG2482AC is a combined cable modem and Wi-Fi router specifically designed for Comcast Xfinity Internet and Voice services. It supports the DOCSIS 3.0 standard, which is sufficient for most home internet needs but not the latest technology available. The device can handle internet speeds up to 800 Mbps, making it a strong option for high-speed internet plans. With four 1 Gbps Ethernet ports and two telephony ports, it provides robust connectivity options for both wired and voice connections.
Rating
8.2
Compatibility
Speed
Voice Support
Most important from
4898 reviews
Top 7 Best Xfinity Modem For Voice And Internet 2026 in the United States
#1
Winner
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 Xfinity
DOCSIS Standard: DOCSIS 3.1
Speed: 1 Gbps
Wi-Fi Capability: Wi-Fi 6
Chosen by 1104 this week
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, many cable providers
DOCSIS Standard: 3.0
Speed: up to 800Mbps
Wi-Fi Capability: AC1900, Dual-Band, up to 1,800 sq. ft.
Ethernet Ports: 4 Gigabit
ARRIS SURFboard SVG2482AC DOCSIS 3.0 Cable Modem & AC2350 Wi-Fi Router , Comcast Xfinity Internet & Voice , Four 1 Gbps Ports , 2 Telephony Ports for Digital Voice , Up to 800 Mbps
ARRIS SURFboard SVG2482AC DOCSIS 3.0 Cable Modem & AC2350 Wi-Fi Router , Comcast Xfinity Internet & Voice , Four 1 Gbps Ports , 2 Telephony Ports for Digital Voice , Up to 800 Mbps
Compatibility: Comcast Xfinity Internet and Voice
DOCSIS Standard: DOCSIS 3.0
Speed: up to 800 Mbps
Voice Support: two telephony ports
Wi-Fi Capability: AC2350, dual-band
Ethernet Ports: four 1 Gbps
ARRIS (T25) - Cable Modem - Fast DOCSIS 3.1 Gigabit Cable Modem , Comcast Xfinity Internet & Voice , Two 1 Gbps Ports, 800 Mbps Max with Xfinity Plan
ARRIS (T25) - Cable Modem - Fast DOCSIS 3.1 Gigabit Cable Modem , Comcast Xfinity Internet & Voice , Two 1 Gbps Ports, 800 Mbps Max with Xfinity Plan
Compatibility: PC, Smartphone
DOCSIS Standard: 3.1
Speed: 800 Mbps
Voice Support: Yes
Wi-Fi Capability: No
NETGEAR Nighthawk Cable Modem with Voice (CM1150V) - Certified for Xfinity by Comcast Internet & Voice Plans Up to 800Mbps | 2 Phone Lines | 4 x 1G Ethernet Ports | DOCSIS 3.1
NETGEAR Nighthawk Cable Modem with Voice (CM1150V) - Certified for Xfinity by Comcast Internet & Voice Plans Up to 800Mbps | 2 Phone Lines | 4 x 1G Ethernet Ports | DOCSIS 3.1
Compatibility: Xfinity Internet & Voice
DOCSIS Standard: DOCSIS 3.1
Channel Bonding: 32x8
Voice Support: Two phone lines
Speed: Up to 2Gbps
Number of Ethernet Ports: Four
ARRIS (SBG10) - Cable Modem Router Combo - DOCSIS 3.0 16 x 4 Gigabit & AC1600 WiFi, [Check with your provider for compatibility]400 Mbps Max Internet Speeds
ARRIS (SBG10) - Cable Modem Router Combo - DOCSIS 3.0 16 x 4 Gigabit & AC1600 WiFi, [Check with your provider for compatibility]400 Mbps Max Internet Speeds
Compatibility: Comcast Xfinity, Cox, Spectrum
DOCSIS Standard: 3.0
Channel Bonding: 16x4
Speed: 400 Mbps
Wi-Fi Capability: AC1600
Motorola MT7711 (24X8) Cable Modem-Two Phone Ports Router, DOCSIS 3.0 Modem, AC1900 Dual Band Wi-Fi Gigabit Router for Comcast Xfinit
Motorola MT7711 (24X8) Cable Modem-Two Phone Ports Router, DOCSIS 3.0 Modem, AC1900 Dual Band Wi-Fi Gigabit Router for Comcast Xfinit
Compatibility: Comcast Xfinity
DOCSIS Standard: DOCSIS 3.0
Speed: up to 400 Mbps
Voice Support: Yes
Wi-Fi Capability: AC1900 dual-band
Ethernet Ports: 4
Recommended lists
Top rated
Modem For Wow Internet
How do we rank products for you?
Our technology thoroughly searches through the online shopping world, reviewing hundreds of sites. We then process and analyze this information, updating in real-time to bring you the latest top-rated products. This way, you always get the best and most current options available.
Buying Guide for the Best Xfinity Modem For Voice And Internet
Choosing the right Xfinity modem for voice and internet involves understanding your specific needs and the technical specifications that will best meet those needs. A modem is a device that connects your home network to your Internet Service Provider (ISP), and it can also support voice services if you have a bundled plan. The right modem ensures you get the best possible internet speeds, reliable connectivity, and clear voice calls. Here are the key specifications to consider when selecting an Xfinity modem for voice and internet.CompatibilityCompatibility refers to whether the modem works with your ISP, in this case, Xfinity. This is crucial because not all modems are designed to work with all ISPs. To ensure compatibility, check if the modem is listed on Xfinity's approved modem list. This guarantees that the modem will work seamlessly with Xfinity's network and support all the services you subscribe to, including internet and voice.
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, while DOCSIS 3.1 is the latest standard and supports speeds up to 10 Gbps, making it more future-proof. If you have a high-speed internet plan or want to ensure your modem remains relevant for years to come, opt for a DOCSIS 3.1 modem.
Channel BondingChannel bonding refers to the number of downstream and upstream channels a modem can use simultaneously. More channels mean higher potential speeds and better performance during peak usage times. Modems typically offer 8x4, 16x4, 24x8, or 32x8 channel bonding. For basic internet usage, 8x4 or 16x4 may suffice. However, for higher speeds and more reliable performance, especially if you have multiple devices connected, consider a modem with 24x8 or 32x8 channel bonding.
Voice SupportVoice support means the modem includes telephone jacks to connect your home phone service. This is essential if you have Xfinity Voice service. Look for modems labeled as 'telephony modems' or 'eMTA' (Embedded Multimedia Terminal Adapter). These modems are specifically designed to handle both internet and voice services, ensuring clear and reliable phone calls.
SpeedThe speed rating of a modem indicates the maximum internet speed it can handle. This should match or exceed the speed of your Xfinity internet plan. For example, if you have a 300 Mbps plan, ensure the modem supports at least 300 Mbps. Higher speed ratings are beneficial if you plan to upgrade your internet plan in the future or have multiple users and devices that require high bandwidth.
Wi-Fi CapabilitySome modems come with built-in Wi-Fi routers, while others are standalone devices that require a separate router. A modem with built-in Wi-Fi can be convenient and save space, but a separate router often provides better performance and more features. If you have a large home or many devices, consider a separate high-quality router for better coverage and speed.
Number of Ethernet PortsEthernet ports allow you to connect wired devices directly to the modem for a more stable and faster connection. Most modems come with at least one Ethernet port, but some offer multiple ports. If you have several devices that benefit from a wired connection, such as gaming consoles or desktop computers, look for a modem with multiple Ethernet ports.
Security FeaturesSecurity features in a modem help protect your network from unauthorized access and cyber threats. Look for modems that offer features like built-in firewalls, WPA3 encryption, and automatic firmware updates. These features ensure your network remains secure and up-to-date with the latest security protocols.