1 April, 2026
Top 10 Best Docsis 3.1 Modem Router Combo of 2026
Last Updated - 1 April, 2026
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Our Rankings
ARRIS
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ARRIS (SBG8300-RB) - Cable Modem Router Combo - Fast DOCSIS 3.1 Gigabit & AC2350 WiFi,Comcast Xfinity, Cox, Spectrum & More, 1 Gbps Max Internet Speeds, 4 OFDM Channels - Renewed
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Why We Love It
- Approved for Cox, Spectrum and Xfinity internet along with other US cable internet providers. Is NOT compatible with ATT, CenturyLink, Verizon, Frontier or other Fiber Optic, DSL or Satellite internet service providers.
- Does NOT support cable digital voice service.
- 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).
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Our Rankings
ARRIS
ARRIS (G34 - Modem Cable Router Combo - Fast DOCSIS 3.1 Gigabit WiFi 6 (AX3000), Approved for Comcast Xfinity, Cox, Spectrum and More, Maximum Internet Speeds of 1Gbps
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Main Highlights
- Connector Type: Coaxial Cable, Ethernet, WiFi
- The DOCSIS 3.1 modem features the latest technology offered by cable Internet providers and is capable of combining download speeds of up to 4 Gbps. Best for wired internet speed plans up to 1Gbps.
- Experience better network performance with Wi-Fi 6. The G34 provides Wi-Fi speeds up to 3000Mbps for a better gaming, streaming or working experience.
- Approved for use with major U.S. cable internet providers including Cox, Spectrum, Xfinity and many others. Not compatible with AT&T, Verizon, CenturyLink or other DSL or fiber internet providers.
- The G34 features four 1 Gigabit Ethernet ports for fast, reliable wired connections for devices like smart TVs, game consoles and more. ;Fast, easy and secure setup with SURFboard Central app: provides step-by-step instructions for setting up your network. Once completed, you can manage your network, including setting screen time parental controls.
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Our Rankings
ARRIS
ARRIS G18 Fast DOCSIS 3.1 Multi-Gigabit WiFi 6 (AX1800) Combo Cable Modem Router, Approved for Comcast Xfinity, Cox, Spectrum and More
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Main Highlights
- Fast, Reliable Connection: Enjoy high-speed streaming, gaming, and browsing with a trusted brand used in over 260 million homes.
- Advanced Modem Tech: Uses DOCSIS 3.1 for faster speeds, better security, and smoother gaming.
- Strong Wi-Fi 6 Coverage: Dual-band Wi-Fi 6 delivers faster, wider wireless performance for your whole home.
- Service Compatibility: Works with major ISPs like Xfinity, Spectrum, and Cox
- Save on Fees: Own your modem and avoid up to $168/year in rental charges (varies by provider)
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Our Rankings
ARRIS
ARRIS (G36-RB) - Cable Modem Router Combo - Fast DOCSIS 3.1 Multi-Gigabit WiFi 6 (AX3000), Approved for Comcast Xfinity, Cox, Spectrum & More, 1.2 Gbps Max Speeds - Renewed
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Main Highlights
- Approved for Cox, Spectrum and Xfinity internet along with other US cable internet providers. Is NOT compatible with ATT, CenturyLink, Verizon, Frontier or other Fiber Optic, DSL or Satellite internet service providers.
- Does NOT support cable digital voice service.
- ARRIS Surfboard G36-RB DOCSIS 3.1 Multi-Gigabit Cable Modem & AX3000 Wi-Fi Router, Comcast Xfinity, Cox, Spectrum, Four 2.5 Gbps Ports, 1.2 Gbps Max Internet Speeds, 4 OFDM Channels
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Our Rankings
ARRIS
ARRIS Surfboard G36 DOCSIS 3.1 Multi-Gigabit Cable Modem & AX3000 Wi-Fi Router | Comcast Xfinity, Cox, Spectrum| Four 2.5 Gbps Ports | 1.2 Gbps Max Internet Speeds | 4 OFDM Channels | 2 Year Warranty
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Main Highlights
- A Trusted Name in Home Connectivity: Get high speeds, low latency, and a two-in-one product. With the ARRIS SURFboard G36 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. Wi-Fi Coverage: Up to 2,500 sq ft
- 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 and 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 G36 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 2.5 Gbps. Check your Internet Service Provider (ISP) website to confirm compatibility.
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Our Rankings
ARRIS
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
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Main Highlights
- Fast, Reliable Connection: Enjoy high-speed streaming, gaming, and browsing with a trusted brand used in over 260 million homes.
- Advanced Modem Tech: Uses DOCSIS 3.1 for faster speeds, better security, and smoother gaming.
- Strong Wi-Fi 6 Coverage: Dual-band Wi-Fi 6 delivers faster, wider wireless performance for your whole home.
- Service Compatibility: Works with major ISPs like Xfinity, Spectrum, and Cox
- Save on Fees: Own your modem and avoid up to $168/year in rental charges (varies by provider)
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Our Rankings
ASUS
ASUS AX6000 WiFi 6 Cable Modem Wireless Router Combo (CM-AX6000) - Dual Band, DOCSIS 3.1, Gigabit Internet Support, Approved by Comcast Xfinity and Spectrum, 160MHz Bandwidth, OFDMA, MU-MIMO
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Main Highlights
- High Efficiency WiFi 6 - Enjoy fast speeds up to 6000 Mbps with WiFi 6 (802.11ax).Ports : RJ45 for Gigabits BaseT for WAN/LAN x 4.
- Compact & CableLabs certified cable gateway to ensure the best compatibility of cable internet service.
- Small & Elegant Design with embedded WiFi antenna makes it the smallest DOCSIS 3.1 WiFi 6 cable gateway in retail cable industry.
- 100% Passive Cooling with fan-less design for noise-less experience
- Cost Saving & Future Proof - Stop Paying modem/router rental fees from your cable provider
- This model does not support ASUS Router App and AiMesh
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Our Rankings
Hitron
Hitron CODA DOCSIS 3.1 Modem | Pairs with Any WiFi Router or Mesh WiFi | Certified with Comcast Xfinity, Charter Spectrum, Cox | 10x Faster Than DOCSIS 3.0 | Cable Modem with 2X 1 Gbps Ethernet Ports
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Main Highlights
- 10x FASTER SPEEDS than DOCSIS 3.0. This DOCSIS 3.1 Cable Modem is best for Cable Internet Speeds Plans up to 1 Gbps. Note: 2nd IP Address is required from your Cable Internet Service Provider to use both Ethernet ports simultaneously.
- WORKS WITH ANY WIFI ROUTER or WIFI MESH: Pair with a WiFi Router with this 3.1 DOCSIS Modem to connect all of your WiFi devices to the Internet. This cable internet modem does NOT have a built-in WIFI router.
- STOP RENTING & START SAVING - This internet modem replaces your leased docsis 3.1 modem so you can say Good-bye to equipment rental fees and save up to $168/yr. (Savings shown for Comcast Xfinity and can vary.)
- CERTIFIED to work with Comcast Xfinity, Comcast Xfinity Business, Charter Spectrum, Cox Gigablast, CableOne Sparklight, Cogeco Breezeline and Zito Media. Also works with Astound, Grande, RCN and Wave.
- Not compatible with AT&T, Verizon, CenturyLink, DSL Providers, DISH, DirecTV and any bundled voice service.
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Our Rankings
Hitron
Hitron CODA56 Cable Internet Modem ONLY - DOCSIS 3.1 | 2.5 Gbps | NO WiFi - Requires Router | Xfinity/Spectrum/Cox Compatible | NOT for Fiber/DSL
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Main Highlights
- FAST SPEEDS: Works with Internet plans up to 2.33 Gbps for Xfinity customers, up to 1 Gbps for Spectrum customers, and up to 2 Gbps for Cox customers. Make sure your Internet plan matches these speeds to get the best performance!
- 2.5 GIGABIT ETHERNET PORT provides more speed to your router. Connect to a router, access point or wifi mesh system to take full advantage of these faster speeds throughout your home.
- CONNECT WITH A WIFI ROUTER or WIFI MESH to connect all of your WiFi devices to the Internet and harness 2.5 Gbps speeds to your end devices! (No Built-in WiFi/Router Capabilities)
- DITCH THE RENTAL FEES - Say goodbye to those pesky modem rental fees by switching to the CODA56. ************************************************************* your leased DOCSIS 3.1 modem can save you up to $168 a year. (Savings may vary by provider).
- CERTIFIED TO WORK WITH Comcast Xfinity, Comcast Xfinity Business, Charter Spectrum, Cox Gigablast, Cable One Sparklight, and Zito Media. Also works with Astound, Grande, RCN, and Wave.DOES NOT WORK WITH DSL, Fiber, Fixed Wireless or Satellite Services. Please note that this internet modem is not compatible with Optimum, AT&T, Verizon, CenturyLink, Google Fiber, DISH, DirecTV, StarLink, or any bundled voice service.
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Our Rankings
NETGEAR
NETGEAR Orbi WiFi 6 Router with DOCSIS 3.1 Built-in Cable Modem (CBR750) – Cable Modem Router | Covers up to 2,500 sq. ft. 40+ Devices | AX4200 (Up to 4.2Gbps)
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Main Highlights
- Integrated cable modem and WiFi 6 router provides high-performance WiFi coverage for up to 2,500 sq. ft. and 40+ devices. Expand coverage by 2,500 sq. ft. with each optional Orbi Mesh WiFi 6 satellite (sold separately)
- DOCSIS 3.1 supports internet plans up to 4Gbps and is compatible with most cable service providers. Certified with Spectrum (up to 1Gbps download speed), Cox (up to 1Gbps download speed), and Xfinity (up to 900Mbps download, 200Mbps upload speeds)
- Fast AX4200 Gigabit speed with WiFi 6 technology for uninterrupted streaming, HD video gaming, and web conferencing
- Save up to $168/yr in equipment rental fees
- NETGEAR Armor software provides an automatic shield of security for your WiFi and connected devices for real-time protection against hackers and added privacy with VPN. 30-day trial included
- NETGEAR routers have security features enabled out of the box with automatic firmware updates, and industry-leading safety features to help protect you and your family
- Easily set up and manage your WiFi with the Orbi app
- Made for use in the U.S. only