10 Best Xfinity Compatible Modem of December 2025

• COMPATIBLE WITH ALL MAJOR CABLE INTERNET PROVIDERS: Including certification by Xfinity by Comcast, COX, and Spectrum. NOT compatible with Verizon, AT&T, CenturyLink, DSL providers, DirecTV, DISH and any bundled voice service.
• SAVE MONTHLY RENTAL FEES: Model CM500 replaces your cable modem saving you up to $168/yr in equipment rental fees.
• BUILT FOR FAST SPEED: Best for cable provider plans up to 300 Mbps speed.
• WORKS WITH ANY WiFi ROUTER: Connect any WiFi router to this modem's Ethernet port to support all your wireless devices.
• ETHERNET CONNECTIONS: 1 Gigabit Ethernet port connects to your computer or separate WiFi router.
• MODEM TECHNOLOGY: Engineered with 16x4 channel bonding and DOCSIS 3.0.

NETGEAR

• This 16x4 DOCSIS 3.0 cable modem provides speeds up to 686 Mbps, sixteen times faster than DOCSIS 2.0. A Full-Band Capture digital tuner ensures a faster, more reliable Internet.
• Cable modem's Ethernet port connects to a computer, HDTV, game station, or wireless router. (This Model MB7420 cable modem does NOT have a built-in wireless router and does NOT have a telephone adapter or phone jack. The Motorola MG7310, MG7315, MG7540 and MG7550 have a built-in wireless router.)
• Requires cable Internet service. Certified by Comcast XFINITY for residential speeds up to Extreme 300, by Comcast Business for speeds up to Deluxe 250, Time Warner Cable, Cox, Charter Spectrum, BrightHouse, and other leading cable service providers for modem ownership programs that typically save rental charges of $120 or more per year
• Setup is fast and easy with a few quick steps set out in a Quick Start guide. Experienced USA-based customer support specialists are there to help if you need them.
• Attractive, compact design minimizes shelf space, improves cooling, and extends product life while looking great in any home or office. A two-year warranty plus rugged lightning and power surge circuits protect your investment.

Motorola

• This is a Certified Refurbished product on Amazon Renewed Certified Refurbished products are tested and certified to look and work like new, with limited to no wear, by a third-party refurbisher. The refurbishing process includes functionality testing, cosmetic inspection, and repackaging. The product is backed by a minimum 90-day warranty, and may arrive in a generic brown or white box. The product ships with a charger and cable, but does not include headphone, manual or SIM card. Accessories m
• COMPATIBLE WITH ALL MAJOR CABLE INTERNET PROVIDERS: Including certification by Xfinity by Comcast, COX, and Spectrum. NOT compatible with Verizon, AT&T, CenturyLink, DSL providers, DirecTV, DISH and any bundled voice service.
• SAVE MONTHLY RENTAL FEES: Model CM600 replaces your cable modem saving you up to $150/yr in equipment rental fees.
• BUILT FOR FAST SPEED: Best for cable provider plans up to 400 Mbps speed. WORKS WITH ANY WiFi ROUTER: Connect any WiFi router to this modem's ethernet port to support all your wireless devices.
• ETHERNET CONNECTIONS: 1 Gigabit Ethernet port connects to your computer or separate Wi-Fi router. MODEMHNOLOGY: Engineered with 24x8 channel bonding and DOCSIS 3.0.

NETGEAR

• ELIMINATE MONTHLY CABLE MODEM RENTAL FEES Up to $120 per year
• Two in One DOCSIS 3.0 Cable Modem + WiFi Router with 2 Gigabit Ethernet ports and 1 USB 2.0 port.System Requirements Microsoft Windows 7, 8, Vista, XP, 2000, Mac OS, or other operating systems running a TCP/IP network. Microsoft Internet Explorer 5.0, Firefox 2.0, Safari 1.4, or Google Chrome 11.0 browsers or higher
• Up to 340Mbps modem speed and Dual Band N450 (2.4GHz & 5GHz) WiFi speed. 8x4 channel bonding, Denial of Service (DoS) attack prevention
• DOCSIS 3.0 unleashes 8x faster download speeds than DOCSIS 2.0
• Ideal for streaming HD videos, faster downloads, and high speed online gaming
• Required for the fastest cable Internet speed tiers.Use with an N300 adapter like NETGEAR WNA3100 for maximum performance
• Compatibe with Xfinity from Comcast, Spectrum, Cox, & more. Not compatible with bundled voice services..Wifi technology:802.11n Dual Band Gigabit

NETGEAR

• THREE-IN-ONE CABLE MODEM, AC1900 ROUTER, AND XFINITY COMPATIBLE VOICE PORTS - Includes 24X8 DOCSIS 3. 0 cable modem, AC1900 Dual Band (2. 4GHz and 5GHz) Gigabit Router, four Gigabit (GigE) Ethernet ports, and two XFINITY Voice compatible phone ports. This product is approved by Comcast for Xfinity Internet and Voice, and recommended by Comcast for XFINITY Internet service speeds up to 400 Mbps.
• REQUIRES COMCAST XFINITY INTERNET SERVICE. Approved by and for use with Comcast Xfinity and Xfinity X1. This product will not work with any other Internet service provider.
• ELIMINATE UP TO $156 IN CABLE MODEM RENTAL FEES PER YEAR – Say goodbye to monthly rental fees and landline phone costs.
• BUILT-IN HIGH-SPEED ROUTER WITH AC1900 WIRELESS AND POWER BOOST - provides Internet access for WiFi devices including smartphones, notebooks, tablets, and more. Four 10/100/1000 Gigabit Ethernet LAN ports provide wired connections to Windows and Mac computers and other Ethernet-capable devices. A Broadcom cable modem chipset provides security from Denial of Service attacks.
• WIRELESS POWER BOOST FOR BETTER SPEED AND RANGE - adds high-performance WiFi power amplifiers to boost the wireless signals to the legal limit, giving a significant boost in speed and range. In addition, AnyBeam beamforming at both 2. 4 GHz and 5 GHz frequencies focuses the signal on wireless clients to further enhance performance and range. NOT included is a backup battery option (Model 98250) that allows your phone to make calls for 8 hours on standby after power loss.

Motorola

• Support all cable internet speed tiers, up to Gigabit (1000 Mbps) service. Separate router required for Wi-Fi
• Docsis 3. 1 up to 10x faster download speeds than DOCSIS 3. 0. Docsis 3. 1 is OFDM 2x2+ DOCSIS 3. 0 32x8 channel bonding
• Eliminate monthly cable Modem rental fees - up to $156 per year. Meets DOCSIS 3. 1 specifications and is backward compatible with DOCSIS 3. 0 networks
• System Requirements- Cable broadband Internet service, Please check your cable Internet service provider web site for data speed tier compatibility and to ensure it provides DOCSIS 3.1 service, otherwise this modem will only work as a DOCSIS 3.0 modem,Microsoft Windows 7, 8, 10, Vista, XP, 2000, Mac OS, or other operating systems running a TCP/IP network, Microsoft Internet Explorer 5.0, Firefox 2.0, Safari 1.4, or Google Chrome 11.0 browsers or higher
• CM1000-1AZNAS is not compatible with: Verizon, AT&T, or CenturyLink. Not compatible with cable bundled voice services

NETGEAR

• 3 products in 1: DOCSIS 3 0 Cable Modem, AC1600 dual-band Wi-Fi Router, 2 Port Gigabit Ethernet Router (cable digital voice service not supported)
• Compatible with major U S Cable Internet Providers including Cox, Spectrum, Xfinity & others Cable internet service required Not compatible with ATT, Verizon, CenturyLink or other DSL or Fiber internet providers
• 16 downstream & 4 upstream channels Best for cable internet service plans up to 300 Mbps Cable internet service required
• Wi-Fi 5 AC1600 dual-band concurrent Wi-Fi Router with 2 Gigabit Ethernet ports
• Setup and manage your network with the SURFboard Manager app

ARRIS

• Compatible with major U S Cable Internet Providers including Cox, Xfinity & others Not compatible with ATT, Verizon, CenturyLink or other DSL or Fiber internet providers
• DOCSIS 3 1 Cable Modem best for cable internet speed plans up to 1 Gbps
• 32 downstream x 8 upstream DOCSIS 3 0 bonded channels, 2 downstream x 2 upstream OFDM DOCSIS 3 1 channels
• Two 1-Gigabit Ethernet ports capable of link aggregation
• Cable internet service required Does not inlcude Wi-Fi and does not support cable digital voice service

ARRIS

• This 8x4 DOCSIS 3.0 cable modem provides speeds up to 343 Mbps, eight times faster than DOCSIS 2.0. A Full-Band Capture digital tuner ensures a faster, more reliable Internet.
• Cable modem's Ethernet port connects to a computer, HDTV, game station, or wireless router. (This cable modem does not have a built-in wireless router or VoIP telephone adapter. The Motorola MG7310, MG7315, and MG7550 have a built-in wireless router.)
• Requires cable Internet service. Certified by Comcast XFINITY, Time Warner Cable, Cox, BrightHouse, and other leading cable service providers for modem ownership programs that typically save rental charges of $120 or more per year
• Setup is fast and easy with a few quick steps set out in a Quick Start guide. Experienced USA-based customer support specialists are there to help if you need them.
• Attractive, compact design minimizes shelf space, improves cooling, and extends product life while looking great in any home or office. A two-year warranty plus rugged lightning and power surge circuits protect your investment.

Motorola

• 16x4 DOCSIS 3.0 cable modem plus a built-in AC1600 Dual Band (2.4 GHz and 5 GHz) WiFi Gigabit Router with four Gigabit (GigE) Ethernet ports, a firewall, and more. This product is recommended for actual cable Internet service speeds up to 375 Mbps. A Broadcom cable modem chipset provides security from Denial of Service attacks.
• Requires cable Internet service. Approved by Comcast Xfinity and Xfinity X1, Cox, Charter Spectrum, BrightHouse, WOW!, CableOne, RCN, Mediacom and other cable service providers. ELIMINATE CABLE MODEM RENTAL FEES UP TO 156 DOLLARS PER YEAR. (Savings are shown for Xfinity and vary by provider). NOT COMPATIBLE with Verizon, AT&T, CenturyLink and other fiber optic, DSL or satellite services. Model MG7540 DOES NOT have a phone jack. This model CANNOT be used for making or receiving telephone calls.
• Built-in high-speed WiFi router with AC1600 Wi-Fi provides Internet access for WiFi devices including smartphones, notebooks, tablets, game stations, HDTVs, Amazon Echo, Google Home, Chromecast, Roku, Amazon Fire TV, and AppleTV. Four 10/100/1000 Gigabit Ethernet LAN ports provide wired connections to Windows and Mac computers, HDTVs, game stations, streaming TV devices, and other Ethernet-capable devices.
• The router can work on WiFi DFS frequencies, unlike most routers, so it is much less vulnerable to WiFi interference from neighbors. AnyBeam beamforming at both 2.4 GHz and 5 GHz frequencies focuses the signal on wireless clients to further enhance performance and range.
• Integrating the cable modem and router creates a reliable connection that reduces unwieldy wiring and power adapter clutter while conserving desk space. The vertical design minimizes shelf space and improves cooling while looking great in any home or office. A two-year warranty plus rugged lightning and power surge circuits protect your investment. Includes phone and web support by friendly, professional USA-based technical support specialists. Phone support is provided in English and Spanish.

Motorola