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

With the explosion of streaming video and other data-heavy tasks, a modem that can keep up with your Internet needs is more important than ever. The best cable modems delivers fast speeds and strong reliability which are important for today's connected home. Browse the top-ranked list of fast modems below along with associated reviews and opinions.

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

    "Good fast modem...I don’t understand why these modems have to be rebooted often after freezing...Arris Cable modem ultra fast...Arris Cable Modem set up is easy. Streaming and downloading is fast!"

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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

    "Good fast modem...I don’t understand why these modems have to be rebooted often after freezing...Arris Cable modem ultra fast...Arris Cable Modem set up is easy. Streaming and downloading is fast!"

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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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    See all Cable Modems
  2. NETGEAR - Nighthawk 32 x 8 DOCSIS 3.1 Cable Modem - Black - Front_Zoom
    Top comment

    "Awesome Modem...I’ve used many other modems before I bought the Nighthawk multigig modem. ...NightHawk very fast...I know very little about modems. What I do know is that NightHawk modem is very fast and very dependable. "

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    Product Description

    The Nighthawk CM1200 Multi-Gig speed cable modem by NETGEAR supports link aggregation to deliver true Multi-Gig 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

    "Awesome Modem...I’ve used many other modems before I bought the Nighthawk multigig modem. ...NightHawk very fast...I know very little about modems. What I do know is that NightHawk modem is very fast and very dependable. "

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    Product Description

    The Nighthawk CM1200 Multi-Gig speed cable modem by NETGEAR supports link aggregation to deliver true Multi-Gig 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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    See all Cable Modems
  3. ARRIS - SURFboard DOCSIS 3.1 Cable Modem & Dual-Band Wi-Fi Router for Xfinity and Cox service tiers - Black - Front_Zoom
    Top comment

    "Awsome Cable Modem and Wi-Fi router. It is lightning fast plus it will last longer than other modems. ...Reliable and fast modem/wireless router combo. Hig...Reliable and fast modem/wireless router combo. Highly recommended"

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    Product Description

    Maximize internet speeds with this ARRIS SURFboard wireless cable modem. Four Gb Ethernet ports offer rapid wired connections, and advanced wireless technology delivers fast long-range 2.4GHz and 5GHz Wi-Fi connections. This ARRIS SURFboard wireless cable modem offers easy plug-and-play installation and lets you manage networks with voice commands via Amazon Alexa.
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    Top comment

    "Awsome Cable Modem and Wi-Fi router. It is lightning fast plus it will last longer than other modems. ...Reliable and fast modem/wireless router combo. Hig...Reliable and fast modem/wireless router combo. Highly recommended"

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    Product Description

    Maximize internet speeds with this ARRIS SURFboard wireless cable modem. Four Gb Ethernet ports offer rapid wired connections, and advanced wireless technology delivers fast long-range 2.4GHz and 5GHz Wi-Fi connections. This ARRIS SURFboard wireless cable modem offers easy plug-and-play installation and lets you manage networks with voice commands via Amazon Alexa.
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    See all Cable Modems
  4. NETGEAR - Nighthawk 32 x 8 DOCSIS 3.1 Cable Modem - Black - Angle_Zoom
    Top comment

    "NightHawk DOCSIS301 32X8 Modem...I love the new modem and it has sped up my services to, I have used Netgea Modems for years this is just the fasts to date....Amazing modem!...This modem is absolutely amazing! I’ve used other modems in which port aggregation was required, and this was extremely fast right out of the box!"

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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

    "NightHawk DOCSIS301 32X8 Modem...I love the new modem and it has sped up my services to, I have used Netgea Modems for years this is just the fasts to date....Amazing modem!...This modem is absolutely amazing! I’ve used other modems in which port aggregation was required, and this was extremely fast right out of the box!"

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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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    See all Cable Modems
  5. ARRIS - Surfboard Wi-Fi 7 Router with DOCSIS 3.1 Cable Modem - Black - Front_Zoom
    Top comment

    "Works very well the reason im giving a 3 stars is because arris has the specs for 5000sq foot, and like 30 feet away i lose connect. Because shipped it fast, and i got it fast. No complaints with best buy....But fast."

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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

    "Works very well the reason im giving a 3 stars is because arris has the specs for 5000sq foot, and like 30 feet away i lose connect. Because shipped it fast, and i got it fast. No complaints with best buy....But fast."

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

    "Last modem you will need...This modem is fast and you won't need anything else. The Wi-Fi 6 is definitely worth it...Easy and pretty simple setup. Great Modem. Great coverage. Also pretty fast."

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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

    "Last modem you will need...This modem is fast and you won't need anything else. The Wi-Fi 6 is definitely worth it...Easy and pretty simple setup. Great Modem. Great coverage. Also pretty fast."

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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
  7. ARRIS - SURFboard  24 x 8 DOCSIS 3.0 Voice Cable Modem with AC1750 Dual-Band Wi-Fi Router for Xfinity - White - Front_Zoom
    Top comment

    "Modem...Great modem! Super fast internet speeds. Just what I needed....Fast Fast Fast...Fast to set up Fast customer service Fast to load pages What a pleasure Great modem and no more monthly charges for rental"

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    Product Description

    Create an efficient home or office network with this ARRIS SURFboard router. This device supports multiple simultaneous 4K streams and channels data at up to 1Gbps for ultra-fast file downloads and an enhanced gaming experience. Connect tablets and laptops via Wi-Fi or plug devices into this four-port ARRIS SURFboard router directly.
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    Top comment

    "Modem...Great modem! Super fast internet speeds. Just what I needed....Fast Fast Fast...Fast to set up Fast customer service Fast to load pages What a pleasure Great modem and no more monthly charges for rental"

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    Product Description

    Create an efficient home or office network with this ARRIS SURFboard router. This device supports multiple simultaneous 4K streams and channels data at up to 1Gbps for ultra-fast file downloads and an enhanced gaming experience. Connect tablets and laptops via Wi-Fi or plug devices into this four-port ARRIS SURFboard router directly.
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    See all Wi-Fi Routers
  8. NETGEAR - Nighthawk AX2700 Router with 32 x 8 DOCSIS 3.1 Cable Modem - Black - Left_Zoom
    Top comment

    "Fast!...super fast, more than twice the speed of the cable companies modems...Best fast easy...After going to three other modems This is the best combo by far modem is fast easy to turn off and range is amazing highly recommend"

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    Product Description

    Interconnect your smart devices at home with this NETGEAR Nighthawk AX6 cable modem router. The NETGEAR Armor protection keeps your data secure, while the six-stream dual-band Wi-Fi 6 offers speeds of up to 2.7 Gbps to deliver smooth streaming on multiple devices. This NETGEAR Nighthawk AX6 cable modem router features a built-in DOCSIS 3.1 cable modem to support ultra-fast multi-Gigabit internet, and the Smart Connect feature enables seamless setup.
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    Top comment

    "Fast!...super fast, more than twice the speed of the cable companies modems...Best fast easy...After going to three other modems This is the best combo by far modem is fast easy to turn off and range is amazing highly recommend"

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    Product Description

    Interconnect your smart devices at home with this NETGEAR Nighthawk AX6 cable modem router. The NETGEAR Armor protection keeps your data secure, while the six-stream dual-band Wi-Fi 6 offers speeds of up to 2.7 Gbps to deliver smooth streaming on multiple devices. This NETGEAR Nighthawk AX6 cable modem router features a built-in DOCSIS 3.1 cable modem to support ultra-fast multi-Gigabit internet, and the Smart Connect feature enables seamless setup.
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    See all Modem & Router Combos
  9. Motorola - MB8600 32x8 DOCSIS 3.1 Cable Modem 1 GB Ethernet - Gray - Front_Zoom
    Top comment

    "Best Modem ever......This is by far one of the best modems i have ever owned. It is fast and reliable....Great little modem...Easy set-up. Very fast! I have always used Motorola modems and have never been disappointed. "

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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

    "Best Modem ever......This is by far one of the best modems i have ever owned. It is fast and reliable....Great little modem...Easy set-up. Very fast! I have always used Motorola modems and have never been disappointed. "

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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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    See all Modems
  10. Motorola - MG7700 24x8 DOCSIS 3.0 Cable Modem + AC1900 Router - Black - Left_Zoom
    Top comment

    "Modem...Great modem, it’s super fast with long range WiFi....Router/Modem...Love this model. Fast router/modem. Highly recommended."

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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

    "Modem...Great modem, it’s super fast with long range WiFi....Router/Modem...Love this model. Fast router/modem. Highly recommended."

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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
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