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Updated: 18 Jul 2025

Top 10 Comcast Modems

#1
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Motorola MT7711 24X8 Cable Modem/Router with Two Phone Ports, DOCSIS 3.0 Modem, and AC1900 Dual Band WiFi Gigabit Router, for Comcast XFINITY Internet and Voice

Brand: Motorola
$169.98
⭐ 4.1
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    High-speed AC1900 Wi-Fi Gigabit Router with 4 Gigabit Ethernet ports and 3 internal antennas support three send and three receive channels
  • Two telephone ports support Xfinity Voice telephone service from Comcast. Supports enhanced call features like caller ID, call forwarding, conference calling, and more
  • Device can be used without telephone services but is only compatible with Xfinity (Comcast) Internet Service. To disconnect the phone option please contact Motorola Network Support.
  • AnyBeam beamforming at 2.4 GHz and 5 GHz focuses the signal on wireless clients to allow better performance and range
  • Guest network access gives visitors Internet services while protecting your local network’s private information.
  • Provides high-speed shared Internet for up to 253 wireless and Ethernet devices
  • Wireless Power Boost adds high-performance Wi-Fi power amplifiers to boost the wireless signals to the limit, giving a significant boost in speed and range.
  • Technical support available via phone, chat or email. Please contact us for any issues with connecting to service
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#2
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NETGEAR Nighthawk DOCSIS 3.1 Mid/high-Split Cable Modem (CM3000-1AZNAS) – Approved for Today’s Fastest Speeds - Works With all Cable Providers, Incl. Xfinity, Spectrum, Cox - Cable Plans up to 2.5Gbps

Brand: NETGEAR
$299.99
⭐ 4.7
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    Mid/high-split DOCSIS 3.1 cable modem delivers up to 2.5Gbps of download speeds and 1Gbps of upload speeds
  • Specifically engineered for today’s fastest DOCSIS 3.1 cable internet speeds that can only be accessed with mid/high-split technology, such as Xfinity’s 2Gbps download speeds and 200Mbps upload speeds. Works with all major US internet providers
  • Blazing-fast download speeds powers your digital lifestyle with enhanced speed, capacity, efficiency, and response times
  • Impressive 10x faster upload speeds delivers seamless multi-family gaming, video conferencing and uploading large files—simultaneously. Plus provides easy remote access to your home security cameras and NAS files
  • For the ultimate in performance, link a NETGEAR WiFi 6E or WiFi 7 router or Orbi system to the CM3000 cable modem
  • Be ready for future Internet speeds with much higher performance levels
  • Save up to $300 a year in ISP rental fees by owning this high-performance modem
  • Connect for multi-gig Internet speed by plugging your router’s multi-gig Internet port directly into the modem’s 2.5Gig port. Or connect the two Gigabit ports to a router with link aggregation for up to 2Gbps
  • Made for use in the US only
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#3
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NETGEAR Nighthawk Cable Modem CM1200 - Compatible with all Cable Providers including Xfinity by Comcast, Spectrum, Cox | For Cable Plans Up to 2 Gigabits | 4 x 1G Ethernet ports | DOCSIS 3.1, Black

Brand: NETGEAR
$188.77
⭐ 5
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    Compatible with all major cable internet providers with internet speed up to 2Gbps. Currently certified with Cox, Spectrum and Xfinity.. Not compatible with Verizon, AT&T, CenturyLink, DSL providers, DirecTV, DISH and any bundled voice service
  • Works with any WiFi router: Connect any WiFi router to this modem’s Ethernet port to support all your wireless devices
  • Save monthly rental fees: Model CM1200 replaces your cable modem saving you up to $168/yr in equipment rental fees
  • Four (4) Gigabit Ethernet ports give you fast wired connections to your computer, separate WiFi router, printer, game box, and other devices
  • Modem technology: Engineered with 32x8 channel bonding, OFDM 2x2, and DOCSIS 3.1
  • Multi-gig ethernet: Link aggregation combines two 1G ports into one 2G port for faster wired ethernet speed.
  • Made for use in the US only
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#4
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ARRIS (SB6190-RB) - Cable Modem - DOCSIS 3.0 32x8 Gigabit Modem, For Comcast Xfinity, Cox, check with ISP for compatibility [Not for Spectrum] 1 Gbps Port, 800 Mbps Max Speed, 2 Year Warranty -Renewed

Brand: Commscope
$24.99
⭐ 4.1
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    Approved for Cox and Xfinity internet along with other US cable internet providers. Is NOT compatible with ATT, CenturyLink, Verizon, Froniter or other Fiber Optic, DSL or Satellite internet service providers.
  • Does NOT include Wi-Fi and Does NOT support cable digital voice service.
  • The SB6190 is a DOCSIS 3.0 cable modem capable of bonding up to 32 downstream and 8 upstream channels. It's best for internet speed plans up to 800 Mbps. Plus, when you purchase your modem, not only are you powering your home network with the latest technology, but you also save money on modem rental fees. Own your modem and start saving today!
  • 32 downstream x 8 upstream DOCSIS 3.0 bonded channels
  • 1 Gigabit Ethernet port for connecting to a Wi-Fi router or other device.
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#5
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ARRIS (SB6190) - Cable Modem - Fast DOCSIS 3.0 32x8 Gigabit Cable Modem, For Comcast Xfinity, Cox, Spectrum and more, 1 Gbps Port, 800 Mbps Max Internet Speed, 2 Year Warranty - (No Built-in Wifi)

Brand: ARRIS
$49.99
⭐ 4.1
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    32 downstream x 8 upstream DOCSIS 3.0 bonded channels
  • 1 Gigabit Ethernet port for connecting to a Wi-Fi router or other device.
  • Cable internet service required. Does not inlcude Wi-Fi and does not support cable digital voice service.
  • arris
  • 32x8 Cable Modem
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#6
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ARRIS (G34) - Cable Modem Router Combo - Fast DOCSIS 3.1 Gigabit WiFi 6 (AX3000), Approved for Comcast Xfinity, Cox, Spectrum & More, 1 Gbps Max Internet Speeds

Brand: ARRIS
$191.99
⭐ 4.2
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    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..MoCA Technology : No. Telephone Port : None.
  • 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.
  • Dual-concurrent AX3000 Wi-Fi
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#7
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Hitron CODA56 Multi-Gigabit DOCSIS 3.1 Modem | 2.5 Gbps Max Internet Speeds | Certified with Xfinity, Charter Spectrum, Cox | 10x Faster Than DOCSIS 3.0 | 2.5 Gbps Ethernet Cable Modem ONLY

Brand: Hitron
$139.99
⭐ 4.4
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    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. Replacing 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.
  • GET THE RIGHT MODEM FOR YOU: Before purchasing, contact your Internet Service Provider (ISP) to confirm that this modem is compatible with your Internet plan and meets your specific needs. This cable Internet modem DOES NOT HAVE BUILT-IN WIFI or ROUTING CAPABILITIES.
  • FASTER GAMING AND STREAMING - Elevate your gaming, streaming, and video conferencing experiences with next-generation DOCSIS 3.1 technology. Benefit from 2 downstream and 2 upstream OFDM DOCSIS 3.1 channels, reducing latency in DOCSIS 3.1 devices for smoother, uninterrupted online activities.
  • A LEGACY OF PERFORMANCE AND TRUST - With over 30 years of experience, Hitron is a global pioneer in DOCSIS 3.1 modems and routers, a trusted expert known for delivering performance and reliability.
  • ENJOY PEACE OF MIND with technical support available Monday through Friday, a detailed knowledge base, FAQs, and easy product registration. Plus, your purchase is backed by a product warranty.
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#8
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ARRIS (SB8200-RB) - Cable Modem - Fast DOCSIS 3.1 32x8 Gigabit Cable Modem , Approved for Comcast Xfinity, Cox, Charter Spectrum, & more | 1 Gbps Max Internet Speed, 4 OFDM Channels - Renewed

Brand: ARRIS
$99.99
⭐ 4.1
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    Approved for Cox, Spectrum and Xfinity internet along with other US cable internet providers. Is NOT compatible with ATT, CenturyLink, Verizon, Froniter or other Fiber Optic, DSL or Satellite internet service providers.
  • Does NOT include Wi-Fi and Does NOT support cable digital voice service.
  • The SURFboard SB8200 is compatible with major U.S. cable internet providers including Cox, Spectrum, Xfinity and others. It is approved for cable internet speed plans up to 1 Gbps. Check your cable ISP website to confirm compatibility.
  • 32 downstream x 8 upstream DOCSIS 3.0 bonded channels, or 2 downstream x 2 upstream OFDM DOCSIS 3.1 channels.
  • Two 1-Gigabit Ethernet ports
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#9
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ARRIS (SB8200) - Cable Modem - Fast DOCSIS 3.1 32x8 Gigabit Cable Modem , Approved for Comcast Xfinity, Cox, Charter Spectrum, & more | 1 Gbps Max Internet Speed, 4 OFDM Channels - (No Built-in Wifi)

Brand: ARRIS
$164.99
⭐ 4.7
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    A Trusted Name in Home Connectivity: Better connectivity, better speed. The ARRIS SURFboard SB8200 DOCSIS 3.1 Cable Modem is designed to bring you superior connectivity, increase your network capability and provide faster streaming and downloading throughout your home. From a trusted brand with over 260 million modems sold and growing. .Telephone Port : None. HD Multi-Media Streaming : Yes.
  • 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).
  • System requirements 1. High-speed Internet access account 2.Web browser access – Internet Explorer, Google Chrome, Firefox, or Safari 3. Compatible operating systems: 4. Windows 10 5. Windows 8 6. Windows 7 Service Pack 1 (SP1) Note: Although older versions of Microsoft Windows operating systems are no longer specifically supported, they should still function with your SB8200. a.Macintosh 10.4 or higher b. UNIX c. Linux
  • Simple and Secure Set-up: Plug-in the device, download the SURFboard Central App, and follow the instructions to activate the modem. Connect to a Wi-Fi router for networking.
  • Compatibility: The SURFboard SB8200 is compatible with major U.S. cable internet providers including Cox (Gigablast), Spectrum (Internet Gig), Xfinity (Blast!/Extreme Pro) 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 SB8200 Cable Modem, Power Supply, Quick-Start guide, and 2-year warranty card.
  • Ethernet Ports: Has two 1-Gigabit ethernet ports to connect to a Wi-Fi router or other wired device.
  • Dedicated Customer Support: Live Chat and Phone Support available 8am -1am EST.
  • Compatible Service Providers: Advanced Stream, Altice Optimum, Altice Suddenlink, Armstrong, Atlantic Broadband, CableOne/Sparklight, Click CableTV, Comcast/Xfinity, Cox, Grande Communications, New Wave/Sparklight, Mediacom, Midcontinent Communications, RCN, Service Electric, Spectrum, Wave Broadband, WOW, Zito Media
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#10
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ARRIS (S34) - Cable Modem - Fast DOCSIS 3.1 Multi-Gigabit Cable Modem, for Comcast Xfinity, Cox, Spectrum & More, 2.5 Gbps Max Internet Speeds, 2 Year Warranty - (No Built-in WiFi)

Brand: ARRIS
$218.94
⭐ 4.6
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    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 latest 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
  • Next Generation Upload Speed Optimized: Switchable upstream filters to support optimized upload service tiers (provider dependent).
  • Simple and Secure Set-up: Plug-in the device, download the SURFboard Central App, and follow the instructions to activate the modem. Connect to a Wi-Fi router for networking.
  • Compatibility: The SURFboard S34 is compatible with major U.S. cable internet providers including Cox, Spectrum, Xfinity 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.
  • The SURFboard S34 will future-proof your home with the latest DOCSIS 3.1 technology, supporting multi-gigablit internet plants. The SURFboard S34 features support for the the new, next generation upload speed tiers offered by cable internet providers. YWith a 2.5 Gbps Ethernet port plus an additional 1 Gbps Ethernet port it's capable of combined download speeds up to 3.5 Gbps. The S34 is the newest modem in the SURFboard lineup, delivering the fastest speeds and the latest technology without the premium rental cost.
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