Best 9 3.1 Modem Router Combo of 2023

input voltage：100 -240V

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)

Top Internet Speeds for all Multi-gigabit Speed Tiers - Wirecutter recommends this model as the best cable modem for people using Gigabit Internet plans. Built-in DOCSIS 3.1 and DOCSIS 3.0 32x8 capabilities give top Internet speeds for all cable Internet services.

Save Money - Eliminate up to 168 dollars per year in cable modem rental fees (Savings are shown for Comcast Xfinity and vary by cable service provider.) Approved by Comcast Xfinity and Xfinity X1, Cox, and CableOne for all speeds including Comcast Gigabit services and Cox Gigablast. Not compatible with RCN. No cable modem is compatible with fiber optic, DSL, or satellite services, available from Verizon, AT&T, CenturyLink, Frontier, and others.)

Flexible Compatibility - Pair with any Wi-Fi router you’d like, including Whole Home Wi-Fi or Mesh routers like eero, Google Wi-Fi, and Orbi. A 10/100/1000 Gigabit Ethernet port allows connection of any SINGLE device with an Ethernet port including a router, Windows or Mac computer, HDTV, or game station. This cable modem does not have a built-in wireless router or telephone call capability.

Proactive Network Security - A broadcom chipset provides advanced security from denial-of service attacks.

Active Queue Management (AQM) - AQM significantly reduces Internet latency on both DOCSIS 3.1 and 3.0 services, resulting in faster page loads for all Web traffic and enhanced interactive applications like online gaming and video conferencing. The MB8600 also includes a full-band capture digital tuner to enhance speed and save energy.

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

A Trusted Name in Home Connectivity: Get high speeds, low latency, and a two-in-one product! With the ARRIS SURFboard SBG8300-RB Wi-Fi Cable Modem, you will increase your network capability and get ultra-fast streaming and downloading throughout your home. From a trusted brand with over 260 million modems sold and growing.

Save Money: Own your modem and save. Reduce your cable bill up to $168 dollars per year in cable modem rental fees (Savings vary by cable service provider). Certified for use with most U.S. cable internet service providers. For a complete list see additional details below.

Modem Technology: DOCSIS 3.1 is the newest technology available from cable internet providers. Its 10x faster than DOCSIS 3.0, provides better security, reduces lag while gaming & enables multi-gig networking (ability to run fast speeds on your copper cable from your internet provider).

Simple and Secure Set-up: Just plug-in, download the SURFboard Central App, and follow the step-by-step intrstuctions to activate the modem, set-up and customize your Wi-Fi network, and add devices to your home network! Once setup is complete, the app provides real-time monitoring of the devices on your network, enhanced parental controls like setting time limits and pausing internet and much more.

Compatibility: The SURFboard SBG8300-RB is compatible with major U.S. cable internet providers including Cox (Gigablast), Spectrum (Internet Gig), Xfinity (Gigabit/Gigabit x2) and others. It's approved for cable internet speed plans up to 1 Gbps. Check your Internet Service Provider (ISP) website to confirm compatibility.

What's in the Box: When you purchase you will get an ARRIS SURFboard SBG8300-RB Cable Modem, Power Supply, Quick-Start guide, and 2-year warranty card.

Router Technology: Features four 1-Gigabit ethernet ports and delivers Wi-Fi 5 speeds up to 2.3 Gbps (2,350 Mbps).

Dedicated Customer Support: Live Chat and Phone Support available 8am -1am EST.

Warranty Provided by ARRIS: Product ships with 2-Year Limited Warranty.

A Trusted Name in Home Connectivity: Get high speeds, low latency, and a two-in-one product! With the ARRIS SURFboard SBG8300 Wi-Fi Cable Modem, you will increase your network capability and get ultra-fast streaming and downloading throughout your home. From a trusted brand with over 260 million modems sold and growing.

Save Money: Own your modem and save. Reduce your cable bill up to $168 dollars per year in cable modem rental fees (Savings vary by cable service provider). Certified for use with most U.S. cable internet service providers. For a complete list see additional details below.

Modem Technology: DOCSIS 3.1 is the newest technology available from cable internet providers. Its 10x faster than DOCSIS 3.0, provides better security, reduces lag while gaming & enables multi-gig networking (ability to run fast speeds on your copper cable from your internet provider).

Simple and Secure Set-up: Just plug-in, download the SURFboard Central App, and follow the step-by-step intrstuctions to activate the modem, set-up and customize your Wi-Fi network, and add devices to your home network! Once setup is complete, the app provides real-time monitoring of the devices on your network, enhanced parental controls like setting time limits and pausing internet and much more.

Compatibility: The SURFboard SBG8300 is compatible with major U.S. cable internet providers including Cox (Gigablast), Spectrum (Internet Gig), Xfinity (Gigabit/Gigabit x2) and others. It's approved for cable internet speed plans up to 1 Gbps. Check your Internet Service Provider (ISP) website to confirm compatibility.

What's in the Box: When you purchase you will get an ARRIS SURFboard SBG8300 Cable Modem, Power Supply, Quick-Start guide, and 2-year warranty card.

Router Technology: Features four 1-Gigabit ethernet ports and delivers Wi-Fi 5 speeds up to 2.3 Gbps (2,350 Mbps).

Dedicated Customer Support: Live Chat and Phone Support available 8am -1am EST.

Warranty Provided by ARRIS: Product ships with 2-Year Limited Warranty.

Instantly upgraded you WiFi performance with advanced tech all while saving up to $168 per year in rental fees by owning your cable modem.

Access the fastest cable internet plans available, with the future-proof performance of the DOCSIS 3.1 cable modem.

Includes a built-in high speed AC3200 WiFi router with Power Boost, Range Boost, and AnyBeam WiFi Beamforming for ultra fast, reliable WiFi.

Intelligent mobile app - Comes with a smart WiFi app for easy setup, guest network management, usage monitoring, speed testing, parental controls, network security alerts, and more.

Reliability you can count on - A worldwide leader in technology people depend on. Comes with 2-years of free expert support from our team

A Trusted Name in Home Connectivity: Get high speeds, low latency, and a two-in-one product! With the ARRIS SURFboard G34 Wi-Fi Cable Modem, you will increase your network capability and get ultra-fast streaming and downloading throughout your home. From a trusted brand with over 260 million modems sold and growing.

Save Money: Own your modem and save. Reduce your cable bill up to $168 dollars per year in cable modem rental fees (Savings vary by cable service provider). Certified for use with most U.S. cable internet service providers. For a complete list see additional details below.

Modem Technology: DOCSIS 3.1 is the newest technology available from cable internet providers. Its 10x faster than DOCSIS 3.0, provides better security, reduces lag while gaming & enables multi-gig networking (ability to run fast speeds on your copper cable from your internet provider).

Simple and Secure Set-up: Just plug-in, download the SURFboard Central App, and follow the step-by-step intrstuctions to activate the modem, set-up and customize your Wi-Fi network, and add devices to your home network! Once setup is complete, the app provides real-time monitoring of the devices on your network, enhanced parental controls like setting time limits and pausing internet and much more.

Compatibility: The SURFboard G34 is compatible with major U.S. cable internet providers including Cox (Gigablast), Spectrum (Internet Gig), Xfinity (Gigabit/Gigabit x2) and others. It's approved for cable internet speed plans up to 1 Gbps. Check your Internet Service Provider (ISP) website to confirm compatibility.

What's in the Box: When you purchase you will get an ARRIS SURFboard G34 Cable Modem, Power Supply, Quick-Start guide, and 2-year warranty card.

Router Technology: Features four 1-Gigabit ethernet ports and delivers Wi-Fi 6 speeds up to 3 Gbps (3,000 Mbps).

Dedicated Customer Support: Live Chat and Phone Support available 8am -1am EST.

Warranty Provided by ARRIS: Product ships with 2-Year Limited Warranty.

COMPATIBLE WITH ALL MAJOR CABLE INTERNET PROVIDERS: Including certification by Xfinity by Comcast and COX. NOT compatible with Spectrum, Verizon, AT&T, CenturyLink, DSL providers, DirecTV, DISH and any bundled voice service

SAVE MONTHLY RENTAL FEES: Model C7800 replaces your cable modem and WiFi router saving you up to $150/yr in equipment rental fees

BUILT FOR ULTIMATE SPEED: Best for cable provider plans up to 2 Gigabits speed

FAST WiFi PERFORMANCE: Get up to 3000 square feet wireless coverage and 45 devices connected with AC3200 speed (up to 3200 Mbps)

VERSATILE CONNECTIONS: 4 Gigabit Ethernet ports and 2 hi speed USB 3.0 ports give you fast wired connections to your computer, printer, game box, storage drive, and other devices

MODEM TECHNOLOGY: Engineered with 32x8 channel bonding and DOCSIS 3.1. System Requirements 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. Not compatible with Cable bundled voice services

SAFE & SECURE: Includes parental controls, and supports WEP and WPA/WPA2 wireless security protocols

Compatible with all major cable internet providers with internet speed up to 1Gbp. Currently certified with Spectrum and Cox (up to 1Gbps) and Xfinity (up to 800Mbps). Future speeds with these service providers may change over time. Not compatible with Verizon, AT&T, CenturyLink, DSL providers, DirecTV, DISH and any bundled voice service

Save monthly rental fees: Model C7800 replaces your cable modem and Wi-Fi router saving you up to Dollar 168/year in equipment rental fees

Get up to 3000 square feet wireless coverage and 45 devices connected with AC3200 speed (up to 3200 Mbps)

Four (4) Gigabit Ethernet ports and 2 hi-speed USB 3.0 ports give you fast wired connections to your computer, printer, game box, storage drive, and other devices

Modem technology: Engineered with 32x8 channel bonding and DOCSIS 3.1