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Best Buy customers often prefer the following products when searching for docsis 3 modem.

Browse the top-ranked list of docsis 3 modem below along with associated reviews and opinions.

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  1. ARRIS - Surfboard Wi-Fi 7 Router with DOCSIS 3.1 Cable Modem - Black - Front_Zoom
    Top comment

    "Overall a good combo modem router. Initial setup was absolutely dreadful. ...New ARRIS modem router...This ARRIS modem router was as advertised. Easy to connect and includes all the bandwidths and Wi-Fi 7 for future technology."

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    Product Description

    The SURFboard G54 WiFi-7 D3.1 Cable Modem Router uses Wi-Fi 7 and DOCSIS 3.1 technology to deliver peak performance to your home network
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    Top comment

    "Overall a good combo modem router. Initial setup was absolutely dreadful. ...New ARRIS modem router...This ARRIS modem router was as advertised. Easy to connect and includes all the bandwidths and Wi-Fi 7 for future technology."

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    Product Description

    The SURFboard G54 WiFi-7 D3.1 Cable Modem Router uses Wi-Fi 7 and DOCSIS 3.1 technology to deliver peak performance to your home network
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    See all Cable Modems
  2. ARRIS - SURFboard DOCSIS 3.1 Cable Modem & Wi-Fi 6 Router Combo - Black - Front_Zoom
    Top comment

    "ARRIS G34 DOCSIS Cable Modem...I couldn't be happier with this Arris G34 modem/router combo. I have had and used many different brands of modems and routers over the years. "

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    Product Description

    Upgrade your home network with the ARRIS SURFboard G34. It's a DOCSIS 3.1 Cable Modem & Wi-Fi 6 Router combo. Wi-Fi 6 supports smooth 4K video streaming and low latency online gaming. This ARRIS SURFboard cable modem router features four 1-Gigabit Ethernet ports to connect your wired devices, and the compatible SURFboard Central mobile app allows for quick and secure setup. The G34 is best for gig-speed cable internet plans and compatible with major U.S. cable internet providers including Cox, Spectrum, Xfinity and others.
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    Top comment

    "ARRIS G34 DOCSIS Cable Modem...I couldn't be happier with this Arris G34 modem/router combo. I have had and used many different brands of modems and routers over the years. "

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    Product Description

    Upgrade your home network with the ARRIS SURFboard G34. It's a DOCSIS 3.1 Cable Modem & Wi-Fi 6 Router combo. Wi-Fi 6 supports smooth 4K video streaming and low latency online gaming. This ARRIS SURFboard cable modem router features four 1-Gigabit Ethernet ports to connect your wired devices, and the compatible SURFboard Central mobile app allows for quick and secure setup. The G34 is best for gig-speed cable internet plans and compatible with major U.S. cable internet providers including Cox, Spectrum, Xfinity and others.
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    See all Cable Modems
  3. Motorola - MB7621 24x8 DOCSIS 3.0 Cable Modem 1029 Mbps - Black - Front_Zoom
    Top comment

    "Good simple DOCSIS 3 modem for business class....I had to go to a business supported cable modem when I went from residential service to business class. ...Motorola DOCSIS 3 Cable modem...I've been using this modem for about a month without any issues. I was previously using a 2009 DOCSIS 2 modem, which worked fine until I replaced it."

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    Product Description

    The Motorola MB7420 high-speed 24x8 DOCSIS 3.0 cable modem supports speeds up to 1029 Mbps, twenty-four times faster than DOCSIS 2.0. A Full-Band Capture digital tuner ensures a faster, more reliable Internet. This attractive, compact design minimizes shelf space, improves cooling, and extends product life while looking great in any home or office. Connects to a computer, HDTV, game station, or wireless router. (This cable modem does not have a built-in wireless router or VoIP telephone adapter.)
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    Top comment

    "Good simple DOCSIS 3 modem for business class....I had to go to a business supported cable modem when I went from residential service to business class. ...Motorola DOCSIS 3 Cable modem...I've been using this modem for about a month without any issues. I was previously using a 2009 DOCSIS 2 modem, which worked fine until I replaced it."

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    Product Description

    The Motorola MB7420 high-speed 24x8 DOCSIS 3.0 cable modem supports speeds up to 1029 Mbps, twenty-four times faster than DOCSIS 2.0. A Full-Band Capture digital tuner ensures a faster, more reliable Internet. This attractive, compact design minimizes shelf space, improves cooling, and extends product life while looking great in any home or office. Connects to a computer, HDTV, game station, or wireless router. (This cable modem does not have a built-in wireless router or VoIP telephone adapter.)
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    See all Cable Modems
  4. NETGEAR - 32 x 8 DOCSIS 3.0 Cable Modem - Black - Front_Zoom
    Top comment

    "NETGEAR - 32 x 8 DOCSIS 3.0 Cable Modem...NETGEAR CM700 DOCSIS 3.0 Cable Modem has plenty of up and down channels for the best connection....Great value DOCSIS 3.0 modem...Great value on a 3.0 32x8 modem until 3.1 modems come down in price."

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    Product Description

    The CM700 DOCSIS 3.0 High Speed Cable Modem, with speeds up to 1.4 Gbps and 32X faster than DOCSIS 2.0 devices, is ideal for streaming or gaming. It features a Gigabit Ethernet port and it's CableLabs DOCSIS 3.0 Certified to work with cable Internet XFINITY from Comcast, Spectrum, Cox and more.
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    Top comment

    "NETGEAR - 32 x 8 DOCSIS 3.0 Cable Modem...NETGEAR CM700 DOCSIS 3.0 Cable Modem has plenty of up and down channels for the best connection....Great value DOCSIS 3.0 modem...Great value on a 3.0 32x8 modem until 3.1 modems come down in price."

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    Product Description

    The CM700 DOCSIS 3.0 High Speed Cable Modem, with speeds up to 1.4 Gbps and 32X faster than DOCSIS 2.0 devices, is ideal for streaming or gaming. It features a Gigabit Ethernet port and it's CableLabs DOCSIS 3.0 Certified to work with cable Internet XFINITY from Comcast, Spectrum, Cox and more.
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    See all Modems
  5. Motorola - MG7700 24x8 DOCSIS 3.0 Cable Modem + AC1900 Router - Black - Left_Zoom
    Top comment

    "Seems to be better coverage than the more expensive DOCSIS 4.0 model....Modem Router Combo...Easy-ish setup but there online is not great. Also had to get docsis 3.0. would have preferred a newer version but limited options in store"

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    Product Description

    The Motorola MG7700 24x8 DOCSIS 3.0 cable modem + AC1900 dual-band (2.4GHz and 5GHz) Wi-Fi Gigabit router with four Gigabit (GigE) Ethernet ports, power boost Wi-Fi amplifiers, firewall security, and more. Power Boost technology amplifies the wireless signal to the limit set by the Federal Communications Commission (FCC) to deliver higher WiFi speeds and extend the WiFi range. AnyBeam WiFi beamforming at 2.4 GHz and 5 GHz focuses the wireless signal on your wireless devices to further enhance wireless performance.
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    Top comment

    "Seems to be better coverage than the more expensive DOCSIS 4.0 model....Modem Router Combo...Easy-ish setup but there online is not great. Also had to get docsis 3.0. would have preferred a newer version but limited options in store"

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    Product Description

    The Motorola MG7700 24x8 DOCSIS 3.0 cable modem + AC1900 dual-band (2.4GHz and 5GHz) Wi-Fi Gigabit router with four Gigabit (GigE) Ethernet ports, power boost Wi-Fi amplifiers, firewall security, and more. Power Boost technology amplifies the wireless signal to the limit set by the Federal Communications Commission (FCC) to deliver higher WiFi speeds and extend the WiFi range. AnyBeam WiFi beamforming at 2.4 GHz and 5 GHz focuses the wireless signal on your wireless devices to further enhance wireless performance.
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    See all Modem & Router Combos
  6. NETGEAR - Nighthawk DOCSIS 3.1 Cable Modem - Black - Front_Zoom
    Top comment

    "Buy this over any Intel chipset DOCSIS 3 modem....Simple review is this modem works well and is an upgrade over the Intel Puma chipset Arris modems....My first Netgear device. Upgraded my modem to DOCSIS 3/3.1. Getting 160Mbps on Wi-Fi after seamlessly hooking up to a Linksys WRT1900AC. "

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    Product Description

    The CM1000 Ultra-High Speed Cable Modem, with speeds up to 1Gbps and DOCSIS 3.1 is 10X faster than DOCSIS 3.0 devices. It's backward compatible with DOCSIS 3.0 and ready for future service plan upgrades for XFINITY from Comcast, Cox, and Spectrum. A Gigabit Ethernet port provides faster access and downloads.
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    Top comment

    "Buy this over any Intel chipset DOCSIS 3 modem....Simple review is this modem works well and is an upgrade over the Intel Puma chipset Arris modems....My first Netgear device. Upgraded my modem to DOCSIS 3/3.1. Getting 160Mbps on Wi-Fi after seamlessly hooking up to a Linksys WRT1900AC. "

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    Product Description

    The CM1000 Ultra-High Speed Cable Modem, with speeds up to 1Gbps and DOCSIS 3.1 is 10X faster than DOCSIS 3.0 devices. It's backward compatible with DOCSIS 3.0 and ready for future service plan upgrades for XFINITY from Comcast, Cox, and Spectrum. A Gigabit Ethernet port provides faster access and downloads.
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  7. ARRIS - SURFboard DOCSIS 3.1 Cable Modem for Xfinity Internet & Voice - Black - Front_Zoom
    Top comment

    "Docsis 3.1 phone modem for Xfinity...This doubled my internet speed over my previous Docsis 3.0 phone modem. A worthwhile upgrade....Arris Surfboard DOCSIS 3.1 Cable Modem...The Arris Surfboard DOCSIS 3.1 Cable Modem is fast! Easy to Install and great performance!"

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    Product Description

    Get a perfect compliment to your Wi-Fi router with this Arris SURFboard T25 cable modem. Two Gigabit Ethernet ports allow for fast connection speeds to Wi-Fi routers or other wired devices, and dual telephony ports provide convenient digital voice support. This Arris SURFboard T25 cable modem can bond to two upstream and two downstream DOCSIS 3.1 channels to help achieve true gigabit download speeds.
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    Top comment

    "Docsis 3.1 phone modem for Xfinity...This doubled my internet speed over my previous Docsis 3.0 phone modem. A worthwhile upgrade....Arris Surfboard DOCSIS 3.1 Cable Modem...The Arris Surfboard DOCSIS 3.1 Cable Modem is fast! Easy to Install and great performance!"

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    Product Description

    Get a perfect compliment to your Wi-Fi router with this Arris SURFboard T25 cable modem. Two Gigabit Ethernet ports allow for fast connection speeds to Wi-Fi routers or other wired devices, and dual telephony ports provide convenient digital voice support. This Arris SURFboard T25 cable modem can bond to two upstream and two downstream DOCSIS 3.1 channels to help achieve true gigabit download speeds.
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  8. ARRIS - SURFboard S33 32 x 8 DOCSIS 3.1 Multi-Gig Cable Modem with 2.5 Gbps Ethernet Port - White - Front_Zoom
    Top comment

    "Best DOCSIS 3.1 Modem...Best DOCSIS modem out there. Reliable, doesn't reboot like others, just works....Good modem for a decent price...Improved my household speeds after upgrading from a Docsis 3. Nothing crazy, but definitely noticeable with my router when I have multiple people streaming, gaming, etc."

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    Product Description

    The ARRIS SURFboard S33 is a DOCSIS 3.1 Cable Modem that delivers the fastest speeds and the latest technology. With a 2.5 Gigabit and a 1 Gigabit Ethernet port, the S33 enables a multi-gig experience for things like online gaming, 4K video streaming and more. It’s best for cable internet speed plans up to 2.5 Gbps and setup is simple with an easy-to-use app. It's compatible with any Wi-Fi router and saves you money on monthly rental fees. Upgrade your home network with an SURFboard S33 DOCSIS 3.1 Cable Modem.
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    Top comment

    "Best DOCSIS 3.1 Modem...Best DOCSIS modem out there. Reliable, doesn't reboot like others, just works....Good modem for a decent price...Improved my household speeds after upgrading from a Docsis 3. Nothing crazy, but definitely noticeable with my router when I have multiple people streaming, gaming, etc."

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    Product Description

    The ARRIS SURFboard S33 is a DOCSIS 3.1 Cable Modem that delivers the fastest speeds and the latest technology. With a 2.5 Gigabit and a 1 Gigabit Ethernet port, the S33 enables a multi-gig experience for things like online gaming, 4K video streaming and more. It’s best for cable internet speed plans up to 2.5 Gbps and setup is simple with an easy-to-use app. It's compatible with any Wi-Fi router and saves you money on monthly rental fees. Upgrade your home network with an SURFboard S33 DOCSIS 3.1 Cable Modem.
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    See all Cable Modems
  9. Motorola - MB8600 32x8 DOCSIS 3.1 Cable Modem 1 GB Ethernet - Gray - Front_Zoom
    Top comment

    "Upgrade from old docsis 2...I have cox cable and upgraded to gigablast so needed to upgrade to docsis 3 modem. Plug and play then called cox and was up and running in minutes. ...Standard DOCSIS 3.1 MODEM...Standard DOCSIS 3.1 modem. Does what you need it to do."

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    Product Description

    The Motorola MB8600 Ultra-fast DOCSIS 3.1 cable modem supports true Gigabit speed with a 1 GB Ethernet port. Approved for Comcast Xfinity, Cox, and Charter Spectrum services, only. This cable modem is backward compatible with 32x8 DOCSIS 3.0.
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    Top comment

    "Upgrade from old docsis 2...I have cox cable and upgraded to gigablast so needed to upgrade to docsis 3 modem. Plug and play then called cox and was up and running in minutes. ...Standard DOCSIS 3.1 MODEM...Standard DOCSIS 3.1 modem. Does what you need it to do."

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    Product Description

    The Motorola MB8600 Ultra-fast DOCSIS 3.1 cable modem supports true Gigabit speed with a 1 GB Ethernet port. Approved for Comcast Xfinity, Cox, and Charter Spectrum services, only. This cable modem is backward compatible with 32x8 DOCSIS 3.0.
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  10. ARRIS - SURFboard SB6183 16 x 4 DOCSIS 3.0 Cable Modem - White - Left_Zoom
    Top comment

    "Needed it because my internet provider said I needed a Docsis 3 to work....Great modem...This modem offers docsis 3 speeds and reliability. Doubled my speeds."

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    Product Description

    The SURFboard SB8163 DOCSIS 3.0 Cable Modem features 16 downstream x 4 upstream channels for high-speed internet access. It is compatible with major US Cable Internet providers and is best for cable internet speed plans up to 400 Mbps.
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    Top comment

    "Needed it because my internet provider said I needed a Docsis 3 to work....Great modem...This modem offers docsis 3 speeds and reliability. Doubled my speeds."

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    Product Description

    The SURFboard SB8163 DOCSIS 3.0 Cable Modem features 16 downstream x 4 upstream channels for high-speed internet access. It is compatible with major US Cable Internet providers and is best for cable internet speed plans up to 400 Mbps.
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