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Best Buy customers often prefer the following products when searching for gigabit cable modems.

The best cable modems are capable of delivering high speeds to multiple devices in your home and they're also easy to set up and use. If you're looking to upgrade your internet to gigabit, you're in the right place. Browse the top-ranked list of gigabit cable modems below along with associated reviews and opinions.

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  1. ARRIS - SURFboard DOCSIS 3.1 Cable Modem & Wi-Fi 6 Router Combo - Black - Front_Zoom
    Top comment

    "My newest work laptop doesn't even have a slot for a cable connection (have to use WiFi), but the router can handle up to 4 wire connections if you need that....ARRIS G34 DOCSIS Cable Modem"

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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

    "My newest work laptop doesn't even have a slot for a cable connection (have to use WiFi), but the router can handle up to 4 wire connections if you need that....ARRIS G34 DOCSIS Cable Modem"

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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
  2. ARRIS - SURFboard DOCSIS 3.1 Cable Modem for Xfinity Internet & Voice - Black - Front_Zoom
    Top comment

    "Arris Surfboard cable modem...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....Great modem supports gigabit speeds...This cable modem has been working well. I've been consistently getting over 700 Mbps using Xfinity gigabit. "

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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

    "Arris Surfboard cable modem...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....Great modem supports gigabit speeds...This cable modem has been working well. I've been consistently getting over 700 Mbps using Xfinity gigabit. "

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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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  3. ARRIS - SURFboard DOCSIS 3.1 Multi-Gig Cable Modem & Wi-Fi 6 Router Combo - Black - Front_Zoom
    Top comment

    "Cable modem...This modem is super fact & so much better than the cable company provided router,...Cable modem works great...We bought this cable modem to replace the one we was renting from our cable company. "

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    Product Description

    Multi-gigabit speeds for your home network. The SURFboard G36 is a DOCSIS 3.1 Cable Modem & Wi-Fi 6 Router combo. Stream 4K content smoothly, game without interruptions or slowdowns. It features a 2.5 Gbps Ethernt port for multi-gig networking PLUS four 1-Gigabit Ethernet ports to connect all your devices. The SURFboard G36 is compatible with major U.S. cable internet service providers and is best for speed plans up to 2.5 Gbps. The compatible SURFboard Central app simplifies setup and management of your network.
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    Top comment

    "Cable modem...This modem is super fact & so much better than the cable company provided router,...Cable modem works great...We bought this cable modem to replace the one we was renting from our cable company. "

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    Product Description

    Multi-gigabit speeds for your home network. The SURFboard G36 is a DOCSIS 3.1 Cable Modem & Wi-Fi 6 Router combo. Stream 4K content smoothly, game without interruptions or slowdowns. It features a 2.5 Gbps Ethernt port for multi-gig networking PLUS four 1-Gigabit Ethernet ports to connect all your devices. The SURFboard G36 is compatible with major U.S. cable internet service providers and is best for speed plans up to 2.5 Gbps. The compatible SURFboard Central app simplifies setup and management of your network.
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    See all Cable Modems
  4. NETGEAR - Nighthawk 32 x 8 DOCSIS 3.1 Voice Cable Modem - Angle_Zoom
    Top comment

    "Best cable modem with voice available!...The best cable modem with voice out there!!! Rock solid stable and performs flawlessly!...NETGEAR Cable Modem with Voice...The cable modem is the best on the market and has ensures I reach the max potential when it comes to video and cable steaming."

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    Product Description

    This NETGEAR Nighthawk ultra-high-speed cable modem for Xfinity Voice (CM2050V) delivers the gigabit-speed cable Internet and perfect call clarity. This DOCSIS 3.1 cable modem with voice supports all of today's Internet service plans and is designed for the high-performance Internet in the future. CM2050V includes two telephone ports that automatically prioritize voice over the Internet for clear and uninterrupted calls."
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    Top comment

    "Best cable modem with voice available!...The best cable modem with voice out there!!! Rock solid stable and performs flawlessly!...NETGEAR Cable Modem with Voice...The cable modem is the best on the market and has ensures I reach the max potential when it comes to video and cable steaming."

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    Product Description

    This NETGEAR Nighthawk ultra-high-speed cable modem for Xfinity Voice (CM2050V) delivers the gigabit-speed cable Internet and perfect call clarity. This DOCSIS 3.1 cable modem with voice supports all of today's Internet service plans and is designed for the high-performance Internet in the future. CM2050V includes two telephone ports that automatically prioritize voice over the Internet for clear and uninterrupted calls."
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    See all Cable Modems
  5. ARRIS - SURFboard S33 32 x 8 DOCSIS 3.1 Multi-Gig Cable Modem with 2.5 Gbps Ethernet Port - White - Front_Zoom
    Top comment

    "Arris Surfboard SB8300 DOCSIS 3.1 2.5 Gigabit Cable Modem is without a doubt one of the most powerful cable modem speed top above 2.7 Gigabit...Fast Gigabit Cable Modem...Very fast modem to work well with your home gigabit setup."

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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

    "Arris Surfboard SB8300 DOCSIS 3.1 2.5 Gigabit Cable Modem is without a doubt one of the most powerful cable modem speed top above 2.7 Gigabit...Fast Gigabit Cable Modem...Very fast modem to work well with your home gigabit setup."

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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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  6. NETGEAR - Nighthawk 32 x 8 DOCSIS 3.1 Cable Modem - Angle_Zoom
    Top comment

    "Extremely reliable high speed Gigabit cable modem...Great Cable Modem...This modem provides great speed for my Gigabit Xfinity internet! With this modem I will be able to get the most out of internet and be able to take it to my next home."

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    Product Description

    The Nighthawk CM2000 multi-gigabit speed cable modem by NETGEAR supports link aggregation to deliver true multi-gigabit Internet speeds. The future-proof cable modem supports fast Internet speeds. This DOCSIS 3.1 cable modem is ready for any of today's service plans and future upgrades.
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    Top comment

    "Extremely reliable high speed Gigabit cable modem...Great Cable Modem...This modem provides great speed for my Gigabit Xfinity internet! With this modem I will be able to get the most out of internet and be able to take it to my next home."

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    Product Description

    The Nighthawk CM2000 multi-gigabit speed cable modem by NETGEAR supports link aggregation to deliver true multi-gigabit Internet speeds. The future-proof cable modem supports fast Internet speeds. This DOCSIS 3.1 cable modem is ready for any of today's service plans and future upgrades.
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  7. NETGEAR - 32 x 8 DOCSIS 3.0 Cable Modem - Black - Front_Zoom
    Top comment

    "faster than my cable company provided modem...tt is faster than the cable provider unit I had. Both are gigabit but this one is faster. ...Cable one compatible...Great cable 1 compatible gigabit router easy set up and great speed ."

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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

    "faster than my cable company provided modem...tt is faster than the cable provider unit I had. Both are gigabit but this one is faster. ...Cable one compatible...Great cable 1 compatible gigabit router easy set up and great speed ."

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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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  8. ARRIS - SURFboard DOCSIS 3.0 Cable Modem & AC2350 Wi-Fi Router Combo - Black - Front_Zoom
    Top comment

    "All-in-One Cable modem and router...If you are looking for a Gigabit cable modem of your own, so you don’t have to pay the typical $10 a month rental fee and you need an 802.11ac wireless router with some built in McAfee protection features, then you found your modem. ...Bad cable...Modem good, but supplied cable was faulty, had to use old cable"

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    Product Description

    The SURFboard SBG7600AC2 is a DOCSIS 3.0 Cable Modem with a built-in AC2350 Wi-Fi Router. The SBG7600AC2 is equipped with four 1-Gigabit Ethernet ports and provides Wi-Fi speeds up to 2350 Mbps. It is compatible with major US Cable Internet providers including Cox, Spectrum, Xfinity and others. It's best for cable internet speed plans up to 800 Mbps. Setup is quick and easy with the SURFboard Central app.
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    Top comment

    "All-in-One Cable modem and router...If you are looking for a Gigabit cable modem of your own, so you don’t have to pay the typical $10 a month rental fee and you need an 802.11ac wireless router with some built in McAfee protection features, then you found your modem. ...Bad cable...Modem good, but supplied cable was faulty, had to use old cable"

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    Product Description

    The SURFboard SBG7600AC2 is a DOCSIS 3.0 Cable Modem with a built-in AC2350 Wi-Fi Router. The SBG7600AC2 is equipped with four 1-Gigabit Ethernet ports and provides Wi-Fi speeds up to 2350 Mbps. It is compatible with major US Cable Internet providers including Cox, Spectrum, Xfinity and others. It's best for cable internet speed plans up to 800 Mbps. Setup is quick and easy with the SURFboard Central app.
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    See all Modem & Router Combos
  9. ARRIS - SURFboard SB8200 32 x 8 DOCSIS 3.1 Gig-Speed Cable Modem - White - Front_Zoom
    Top comment

    "Excellent Gigabit Cable Modem...Solid modem operating on Xfinity Gigabit cable internet. Officially approved, and could save you money from renting theirs."

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    Product Description

    The ARRIS SURFboard SB8200 DOCSIS 3.1 Cable Modem is capable of delivering true Gigabit speeds. It's approved for use with Cox, Spectrum, Xfinity and others supporting cable internet speed plans up to 1 Gbps. Upgrading your home network starts with your modem.
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    Top comment

    "Excellent Gigabit Cable Modem...Solid modem operating on Xfinity Gigabit cable internet. Officially approved, and could save you money from renting theirs."

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    Product Description

    The ARRIS SURFboard SB8200 DOCSIS 3.1 Cable Modem is capable of delivering true Gigabit speeds. It's approved for use with Cox, Spectrum, Xfinity and others supporting cable internet speed plans up to 1 Gbps. Upgrading your home network starts with your modem.
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  10. NETGEAR - Nighthawk DOCSIS 3.1 Cable Modem - Black - Front_Zoom
    Top comment

    "net gear Gigabit Cable Modem:...the net gear Cable Modem is an excellence product I love it....Gigabit Cable Modem"

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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

    "net gear Gigabit Cable Modem:...the net gear Cable Modem is an excellence product I love it....Gigabit Cable Modem"

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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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