Best Arris - Surfboard Docsis 3.1 Cable Modem for Xfinity Internet & Voice in 2025
Updated on July 2025
#1
Recommended
9% Off
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- Reduce cable expenses by owning your modem, potentially saving up to $168 per year on rental fees (varies by provider).
- Utilizes DOCSIS 3.1 technology, delivering speeds up to 10 times faster than DOCSIS 3.0, enhancing security and reducing lag during online gaming.
- Equipped with switchable upstream filters for optimized upload speeds based on your service provider.
- Easy setup: Plug in, download the SURFboard Central App, and follow the activation instructions to connect to a Wi-Fi router.
- Compatible with major U.S. cable providers like Cox, Spectrum, and Xfinity; supports internet plans up to 2.5 Gbps. Confirm compatibility with your ISP.
- Future-proof with DOCSIS 3.1 technology, featuring a 2.5 Gbps Ethernet port and an additional 1 Gbps port for combined speeds up to 3.5 Gbps.
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- Reduce cable expenses by owning your modem, potentially saving up to $168 per year on rental fees (varies by provider).
- Utilizes DOCSIS 3.1 technology, delivering speeds up to 10 times faster than DOCSIS 3.0, enhancing security and reducing lag during online gaming.
- Equipped with switchable upstream filters for optimized upload speeds based on your service provider.
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#2
Value for Money
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- Reliable connectivity with DOCSIS 3.1 technology for faster streaming and downloading.
- Ownership can save up to $168 yearly on cable modem rental fees.
- Supports speeds up to 1 Gbps and offers improved security and reduced lag.
- Easy setup via the SURFboard Central App for quick activation.
- Compatible with major U.S. cable internet providers; verify with your ISP.
- Equipped with two 1-Gigabit ethernet ports for wired connections.
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- Reliable connectivity with DOCSIS 3.1 technology for faster streaming and downloading.
- Ownership can save up to $168 yearly on cable modem rental fees.
- Supports speeds up to 1 Gbps and offers improved security and reduced lag.
- Easy setup via the SURFboard Central App for quick activation.
- Compatible with major U.S. cable internet providers; verify with your ISP.
- Equipped with two 1-Gigabit ethernet ports for wired connections.
#3
31% Off
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- Own your modem to eliminate rental fees, saving up to $168 annually on your cable bill.
- Utilizes DOCSIS 3.1 technology, offering speeds 10x faster than DOCSIS 3.0 and improved security for gaming and multi-gig networks.
- Easy setup with the SURFboard Central App; plug in, download the app, and follow activation instructions.
- Compatible with Xfinity Internet & Voice, supporting cable internet plans up to 800 Mbps.
- Designed for high-speed performance with features suitable for fiber optic gaming and voice services.
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- Own your modem to eliminate rental fees, saving up to $168 annually on your cable bill.
- Utilizes DOCSIS 3.1 technology, offering speeds 10x faster than DOCSIS 3.0 and improved security for gaming and multi-gig networks.
- Easy setup with the SURFboard Central App; plug in, download the app, and follow activation instructions.
- Compatible with Xfinity Internet & Voice, supporting cable internet plans up to 800 Mbps.
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#4
14% Off
Free Shipping
- Own your modem to save on cable rental fees, potentially up to $168 annually depending on your provider.
- Utilizes DOCSIS 3.1 technology, offering speeds up to 10 times faster than DOCSIS 3.0, enhanced security, and reduced lag for gaming.
- Easy setup process: simply plug in the modem, use the SURFboard Central App for activation, and connect to a Wi-Fi router.
- Compatible with leading U.S. cable providers like Cox, Spectrum, and Xfinity, supporting plans up to 2.5 Gbps. Always verify ISP compatibility before purchase.
Read More
- Own your modem to save on cable rental fees, potentially up to $168 annually depending on your provider.
- Utilizes DOCSIS 3.1 technology, offering speeds up to 10 times faster than DOCSIS 3.0, enhanced security, and reduced lag for gaming.
- Easy setup process: simply plug in the modem, use the SURFboard Central App for activation, and connect to a Wi-Fi router.
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#5
17% Off
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- Compatible with major U.S. cable internet providers like Cox, Spectrum, and Xfinity; not compatible with fiber optic, DSL, or satellite services.
- Excludes Wi-Fi capabilities and does not support digital voice services.
- Approved for cable internet speeds up to 1 Gbps; verify compatibility with your specific ISP.
- Features 32 downstream and 8 upstream DOCSIS 3.0 bonded channels, or 2 downstream and 2 upstream OFDM DOCSIS 3.1 channels.
- Equipped with two 1-Gigabit Ethernet ports.
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- Compatible with major U.S. cable internet providers like Cox, Spectrum, and Xfinity; not compatible with fiber optic, DSL, or satellite services.
- Excludes Wi-Fi capabilities and does not support digital voice services.
- Approved for cable internet speeds up to 1 Gbps; verify compatibility with your specific ISP.
- Features 32 downstream and 8 upstream DOCSIS 3.0 bonded channels, or 2 downstream and 2 upstream OFDM DOCSIS 3.1 channels.
- Equipped with two 1-Gigabit Ethernet ports.
#6
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- Compatible with major US cable internet providers including Cox, Spectrum, and Xfinity; not compatible with ATT, CenturyLink, Verizon, Frontier, or other fiber optic, DSL, or satellite services.
- Excludes Wi-Fi capability and does not support cable digital voice service.
- Owning the modem can reduce rental fees by up to $168 annually, depending on the provider. Certified for use with most U.S. cable internet service providers.
- Features DOCSIS 3.1 technology, offering speeds 10x faster than DOCSIS 3.0, improved security, reduced lag for gaming, and supports multi-gig networking.
- Easy setup through the SURFboard Central App after plugging in; requires connection to a separate Wi-Fi router for networking.
- Approved for cable internet speed plans up to 2.5-Gbps; users should check compatibility with their Internet Service Provider.
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- Compatible with major US cable internet providers including Cox, Spectrum, and Xfinity; not compatible with ATT, CenturyLink, Verizon, Frontier, or other fiber optic, DSL, or satellite services.
- Excludes Wi-Fi capability and does not support cable digital voice service.
- Owning the modem can reduce rental fees by up to $168 annually, depending on the provider. Certified for use with most U.S. cable internet service providers.
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#7
66% Off
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- High-speed Wi-Fi cable modem offering improved network coverage and performance.
- Potential savings of up to $168 annually by eliminating rental fees for cable modems.
- Features DOCSIS 3.0 technology and an AC2350 Wi-Fi router for optimal internet delivery.
- Easy setup using the SURFboard Central App for network management and monitoring.
- Compatible with Xfinity Internet and Voice service, supporting speeds up to 800 Mbps.
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- High-speed Wi-Fi cable modem offering improved network coverage and performance.
- Potential savings of up to $168 annually by eliminating rental fees for cable modems.
- Features DOCSIS 3.0 technology and an AC2350 Wi-Fi router for optimal internet delivery.
- Easy setup using the SURFboard Central App for network management and monitoring.
- Compatible with Xfinity Internet and Voice service, supporting speeds up to 800 Mbps.
#8
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- Supports cable internet speeds up to 1 Gbps; requires a separate router for Wi-Fi.
- DOCSIS 3.1 technology offers up to 10x faster download speeds than DOCSIS 3.0 using advanced channel bonding.
- Eliminates the need for monthly cable modem rentals, saving up to $156 annually; compatible with DOCSIS 3.1 and backward compatible with DOCSIS 3.0.
- Requires cable broadband service and is only compatible with DOCSIS 3.1 supported tiers; works with various operating systems and browsers.
- Not compatible with Verizon, AT&T, CenturyLink, or cable voice services.
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- Supports cable internet speeds up to 1 Gbps; requires a separate router for Wi-Fi.
- DOCSIS 3.1 technology offers up to 10x faster download speeds than DOCSIS 3.0 using advanced channel bonding.
- Eliminates the need for monthly cable modem rentals, saving up to $156 annually; compatible with DOCSIS 3.1 and backward compatible with DOCSIS 3.0.
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#9
5% Off
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- 2.5 Gbps and 1 Gbps Ethernet ports for multi-gig networking
- Requires cable internet service; Wi-Fi not included
- DOCSIS 3.1 certified for up to 2.5 Gbps speeds
- 32 downstream and 8 upstream DOCSIS 3.0 channels
- Compatible with major U.S. cable providers
- Not compatible with DSL or Fiber services
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- 2.5 Gbps and 1 Gbps Ethernet ports for multi-gig networking
- Requires cable internet service; Wi-Fi not included
- DOCSIS 3.1 certified for up to 2.5 Gbps speeds
- 32 downstream and 8 upstream DOCSIS 3.0 channels
- Compatible with major U.S. cable providers
- Not compatible with DSL or Fiber services
#10
5% Off
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- DOCSIS 3.1 technology for high-speed internet access
- AX3000 Wi-Fi 6 router for improved wireless performance
- Approved for major ISPs including Cox, Spectrum, and Xfinity
- Renewed product ensuring good condition and functionality
- Supports gigabit speeds for faster downloads and streaming
- Compact black design suitable for any home setup
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- DOCSIS 3.1 technology for high-speed internet access
- AX3000 Wi-Fi 6 router for improved wireless performance
- Approved for major ISPs including Cox, Spectrum, and Xfinity
- Renewed product ensuring good condition and functionality
- Supports gigabit speeds for faster downloads and streaming
- Compact black design suitable for any home setup
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