10 Best Modem For Gigabit Internet 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 CM1000 replaces your cable modem saving you up to $168/yr in equipment rental fees.
• BUILT FOR ULTIMATE SPEED: Best for cable provider plans up to 1 Gigabit 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 32x8 channel bonding, OFDM 2x2, and DOCSIS 3.1.

NETGEAR

• COMPATIBLE WITH XFINITY INTERNET & VOICE SERVICE: Certified by Comcast for Xfinity. NOT compatible with Verizon, AT&T, CenturyLink, DSL providers, DirecTV, DISH and non Xfinity voice services
• SAVE MONTHLY RENTAL FEES: Model CM1150V replaces your cable modem saving you up to $150/yr in equipment rental fees
• BUILT FOR ULTIMATE SPEED: Best for cable provider plans up to 2 Gigabits speed
• WORKS WITH ANY WiFi ROUTER: Connect any WiFi router to this modem's ethernet port to support all your wireless devices
• VERSATILE CONNECTIONS: 4 Gigabit Ethernet ports give you fast wired connections to your computer, separate WiFi router, printer, game box, and other devices
• VOICE PHONE SUPPORT: For use with Xfinity Voice service and up to 2 telephone lines with enhanced call features including caller ID, 3 way conference calling, call forwarding and more
• MODEM TECHNOLOGY: Engineered with 32x8 channel bonding, OFDM 2x2, and DOCSIS 3.1.Compatible Operating System:Windows 7,8,10,Vista,XP,2000, Mac OS. Compatible web browser:Microsoft Internet Explorer 5.0 or Later,Firefox 2.0 or later, Safari 1.4 or Later, Google Chrome 11.0 or Later
• MULTI GIG ETHERNET: Link aggregation combines two 1G ports into one 2G port for faster wired ethernet speed

NETGEAR

CenturyLink

• Works with Xfinity, Cox, and Spectrum
• Meets DOCSIS 3.1 specs. and backward compatible with DOCSIS 3.0
• 32 downstream and 8 upstream channels
• 2 Gigabit Ethernet ports with link aggregation support
• Support all cable internet speed tiers up to 2Gps (separate router required for WiFi)

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

• Certified to work with Xfinity internet & voice service Not certified for use with other cable internet service providers
• DOCSIS 3 1 Cable Modem with 32 downstream x 8 upstream DOCSIS 3 0 channels, 2 downstream x 2 upstream OFDM DOCSIS 3 1 channels
• Two 1-Gigabit Ethernet ports and 2 Telephony ports for Xfinity digital voice service
• Best for Xfinity internet speed plans up to 1 Gbps
• Xfinity internet service required Does not include Wi-Fi

ARRIS

• Model MB7621 is recommended for actual cable Internet service speeds up to 650 Mbps. Wirecutter rates this “the best modem for most people.” A Full-Band Capture Digital Tuner ensures faster, more reliable Internet.
• This cable modem's one Gigabit Ethernet port connects to a WiFi router, computer, HDTV, game station, or streaming video device. Great for use with Whole Home WiFi or Mesh networks like eero, Google WiFi, and Orbi. (This cable modem does not have a built-in wireless router or telephone call capability. The Motorola MG7315, MG7540, MG7550, and MG7700 have a built-in wireless router.)
• Requires cable Internet service.Approved by and for use with Comcast Xfinity and Xfinity X1, Cox, Charter Spectrum, Time Warner Cable, BrightHouse, CableOne, SuddenLink, RCN, and other cable service providers. ELIMINATE CABLE MODEM RENTAL FEES UP TO 156 DOLLARS PER YEAR.(Savings are shown for Xfinity and vary by cable service provider. No cable modem is compatible with fiber optic, DSL, or satellite services from Verizon, AT&T, CenturyLink, Frontier, and others. Model MB7621 has no phone jack.)
• Setup is fast and easy using the Quick Start guide. Experienced USA-based Motorola customer support specialists are happy to help if you need them. Support is in English or Spanish.
• 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. Includes phone and web support by friendly, professional USA-based technical support specialists.

Motorola

• 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

• 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

• Support all cable internet speed tiers, up to Gigabit (1000 Mbps) service. Separate router required for WiFi.
• 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 $120 per year;32 downstream and 8 upstream channels for DOCSIS 3.0 connection
• Not compatible with: Verizon, AT&T, or CenturyLink. Not compatible with bundled voice services.
• Compatible with Xfinity from Comcast, Cox, Mediacom Cable, and more.

NETGEAR