Best Cable Modem Docsis 3.1+ 2.5 Gbps in 2025
Updated on August 2025
#1
Recommended
11% Off
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- 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.
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- 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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#2
Value for Money
5% Off
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- High-speed DOCSIS 3.1 technology providing up to 2.5 Gbps internet speeds.
- Compatible with Comcast Xfinity and designed to support the highest-speed plans.
- Long-term savings by owning the modem, eliminating rental fees of up to $168 annually.
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- High-speed DOCSIS 3.1 technology providing up to 2.5 Gbps internet speeds.
- Compatible with Comcast Xfinity and designed to support the highest-speed plans.
- Long-term savings by owning the modem, eliminating rental fees of up to $168 annually.
#3
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- Supports internet plans up to 2.33 Gbps for Xfinity, 1 Gbps for Spectrum, and 2 Gbps for Cox.
- Features a 2.5 Gigabit Ethernet port for faster connections to routers or Wi-Fi systems.
- Designed to connect with existing Wi-Fi routers or mesh systems for higher speed access; does not have built-in Wi-Fi.
- Eliminates modem rental fees, potentially saving up to $168 a year.
- Compatible with major ISPs, excluding DSL and fiber services; confirm with your ISP before purchase.
- Technical support available Monday to Friday, with warranty and detailed resources provided.
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- Supports internet plans up to 2.33 Gbps for Xfinity, 1 Gbps for Spectrum, and 2 Gbps for Cox.
- Features a 2.5 Gigabit Ethernet port for faster connections to routers or Wi-Fi systems.
- Designed to connect with existing Wi-Fi routers or mesh systems for higher speed access; does not have built-in Wi-Fi.
- Eliminates modem rental fees, potentially saving up to $168 a year.
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#4
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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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#5
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
#6
Free Shipping
- Supports internet plans with speeds up to 2.5 Gbps, significantly faster than DOCSIS 3.0.
- Equipped with a 2.5 Gbps Ethernet port for high-speed connection to routers and access points.
- Compatible with any WiFi router or mesh system; does not include built-in WiFi.
- Eliminates modem rental fees, potentially saving users up to $168 annually.
- Not compatible with DSL, fiber, fixed wireless, or satellite services; verify ISP compatibility.
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- Supports internet plans with speeds up to 2.5 Gbps, significantly faster than DOCSIS 3.0.
- Equipped with a 2.5 Gbps Ethernet port for high-speed connection to routers and access points.
- Compatible with any WiFi router or mesh system; does not include built-in WiFi.
- Eliminates modem rental fees, potentially saving users up to $168 annually.
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#7
10% Off
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- Compatible with major cable internet providers; not compatible with Verizon, AT&T, or DSL.
- Coverage of 2,500 sq. ft. and supports 25 devices simultaneously with dual-band WiFi 6.
- 4 Gig Ethernet ports and 1 USB 3.0 port for wired connectivity.
- Functions as both a cable modem and WiFi router, saving on rental fees.
- Supports DOCSIS 3.1 technology for enhanced performance.
- Includes NETGEAR Armor for real-time security protection and easy setup via the Nighthawk app.
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- Compatible with major cable internet providers; not compatible with Verizon, AT&T, or DSL.
- Coverage of 2,500 sq. ft. and supports 25 devices simultaneously with dual-band WiFi 6.
- 4 Gig Ethernet ports and 1 USB 3.0 port for wired connectivity.
- Functions as both a cable modem and WiFi router, saving on rental fees.
- Supports DOCSIS 3.1 technology for enhanced performance.
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#8
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- DOCSIS 3.1 cable modem supports download speeds up to 2.5Gbps and upload speeds up to 1Gbps
- Designed for high-performance DOCSIS 3.1 cable internet, compatible with major US providers including Xfinity
- Offers significantly faster upload speeds for activities like gaming, video conferencing, and large file uploads
- Supports connection to NETGEAR WiFi 6E or WiFi 7 routers for enhanced performance
- Equipped with multi-gig port for direct connection with routers, allowing for high-speed internet access
- Intended for use in the US market only
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- DOCSIS 3.1 cable modem supports download speeds up to 2.5Gbps and upload speeds up to 1Gbps
- Designed for high-performance DOCSIS 3.1 cable internet, compatible with major US providers including Xfinity
- Offers significantly faster upload speeds for activities like gaming, video conferencing, and large file uploads
- Supports connection to NETGEAR WiFi 6E or WiFi 7 routers for enhanced performance
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#9
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.
#10
Free Shipping
- Delivers up to 2.5Gbps download and 1Gbps upload speeds, supporting DOCSIS 3.1 technology.
- Compatible with all major US internet providers, optimized for high-speed cable internet.
- Enhances speed and efficiency for digital tasks like gaming and video conferencing.
- Supports multiple users and devices for seamless home security and NAS access.
- Facilitates multi-gig internet connections via a direct 2.5Gig port or link aggregation.
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- Delivers up to 2.5Gbps download and 1Gbps upload speeds, supporting DOCSIS 3.1 technology.
- Compatible with all major US internet providers, optimized for high-speed cable internet.
- Enhances speed and efficiency for digital tasks like gaming and video conferencing.
- Supports multiple users and devices for seamless home security and NAS access.
- Facilitates multi-gig internet connections via a direct 2.5Gig port or link aggregation.
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