10 Best Brightspeed Compatible Modems of 2025

Tested and Reviewed: Top 10 Brightspeed Compatible Modems deals with expert ratings from 8.1 to a perfect 10

March 2026 Edition

Editor's Choice

9.7

ARRIS

ARRIS (SB6183-RB) Cable Modem - Fast DOCSIS 3.0 16x4 Gigabit Cable Modem, For Comcast Xfinity, Cox, Spectrum and more, 1 Gbps Port, 400 Mbps Max Internet Speed, 1 Year Warranty - Renewed

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Editor's bottom line:

“This brightspeed compatible modems is the best one we tested. In terms of quality, brand and price, we couldn't ask for more.”

Main Highlights

This product may come white or black in color
Approved for Cox, Spectrum and Xfinity internet along with other US cable internet providers. Is NOT compatible with ATT, CenturyLink, Verizon, Frontier or other Fiber Optic, DSL or Satellite internet service providers.
Does NOT include Wi-Fi and Does NOT support cable digital voice service.
Modem Technology/Simple Set-Up: DOCSIS 3.0 is a reliable, broadly available & affordable technology that delivers high speed internet to your home devices. Plug-in the device, download the SURFboard Central App & follow the instructions to activate.
Compatibility: Compatible with major U.S. cable internet providers including Cox, Spectrum, Xfinity and others. It's approved for cable internet speed plans up to 400 Mbps. Check your Internet Service Provider website to confirm compatibility.
Ethernet Ports/Warranty: Has one 1-Gigabit ethernet port to connect to a Wi-Fi router or other wired device. Product ships with 2-Year Limited Warranty. Live Chat and Phone Support available 8am -1am EST.

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Picked by 397 people today

9.5

NETGEAR

NETGEAR Nighthawk DOCSIS 3.1 Mid/high-Split Cable Modem (CM2500) – Approved for Today’s Faster Speeds & Compatible with All Providers Incl. Xfinity, Spectrum, Cox - for Plans up to 2Gbps (Renewed)

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Main Highlights

Mid/high-split DOCSIS 3.1 cable modem delivers up to 2Gbps of download speeds and 1Gbps of upload speeds
Unlock faster cable internet speeds, such as Xfinitys 900Mbps download speeds and 100Mbps upload speeds. Works with all major US internet providers. Not compatible with Xfinity Voice plans
Faster download speeds powers your digital lifestyle with enhanced speed, capacity, efficiency, and response times
10x faster upload speeds for seamless multi-family gaming, video conferencing and uploading even the largest filessimultaneously. Plus provides easy remote access to your home security cameras and files on your NAS
For the ultimate in performance, link a NETGEAR WiFi 6E or WiFi 7 router or Orbi system to the CM2500 cable modem
Stay ahead of future internet speeds with our mid/high-split DOCSIS 3.1 cable modem for much higher performance levels
Stay ahead of future internet speeds with our mid/high-split DOCSIS 3.1 cable modem for much higher performance levels
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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9.5

ARRIS

ARRIS Surfboard SB6190 32x8 DOCSIS 3.0 Cable Modem with 1.4 Gbps Download and 262 Upload Speeds, White (Non-Retail Packaging) (Renewed)

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Main Highlights

DOCSIS 3.0 cable modem best for cable internet speed plans up to 600 Mbps.
Compatible with Cox, Spectrum, Xfinity and other major U.S. cable internet providers.
32 downstream x 8 upstream DOCSIS 3.0 bonded channels.
One 1-Gigabit Ethernet Port
Easily setup your modem with the SURFboard Central app

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9.2

Commscope

ARRIS Surfboard SBG7400AC2-RB DOCSIS 3.0 Cable Modem & AC2350 Wi-Fi Router , Approved for Comcast Xfinity, Cox, Charter Spectrum & more , Four 1 Gbps Ports , 800 Mbps Max Internet Speeds,- REFURBISHED

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Main Highlights

RENEWED: This pre-owned product has been professionally inspected, tested and cleaned by Amazon qualified vendors.
A Trusted Name in Home Connectivity: Get high speeds, better coverage, and a two-in-one product! With the ARRIS SURFboard SBG7400AC2 Wi-Fi Cable Modem, you will increase your network capability and get faster streaming and downloading throughout your home. From a trusted brand with over 260 million modems sold and growing.
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 3.0 is a reliable, broadly available, and affordable technology that delivers high speed internet to your home devices.
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 SBG7400AC2 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 800 Mbps. Check your Internet Service Provider (ISP) website to confirm compatibility.

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9.0

NETGEAR

Netgear CM1000 Ultra-High Speed DOCSIS 3.1 Cable Modem - Black - CM1000 (Renewed)

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Main Highlights

Compatible with all major cable internet providers with internet speed up to 1Gbps. Currently certified with Spectrum and Cox (up to 1Gbps), Xfinity (up to 800Mbps). Not compatible with Verizon, AT&T, CenturyLink, DSL providers, DirecTV, DISH and any bundled voice service
Model CM1000 replaces your cable modem saving you up to 168/year in equipment rental fees
Connect any WiFi router to this modem's Ethernet port to support all your wireless devices
1 Gigabit Ethernet port connects to your computer or separate WiFi router
Made for use in the US only
Ensure coaxial cable is connected securely at all times to get steady connection.

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8.8

NETGEAR

NETGEAR Nighthawk Cable Modem CM1200 - Compatible with All Cable Providers| For Cable Plans Up to 2 Gigabits | 4 x 1G Ethernet Ports | DOCSIS 3.1, Black (Renewed)

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Main Highlights

Compatible with all major cable internet providers: Including certification by Xfinity by Comcast, COX, and Spectrum. NOT compatible with Verizon, AT&T, CenturyLink, DSL providers, DirecTV, DISH and any bundled voice service.
Save monthly rental fees: Model CM1200 replaces your cable modem saving you up to dollar 168/yr in equipment rental fees.
Built for ultimate speed: best for cable provider plans up to 2 gigabits speed.
Works with any wifi router: Connect any WiFi router to this modem's Ethernet port to support all your wireless devices.
Versatile connections: 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.

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8.6

NETGEAR

NETGEAR Cable Modem DOCSIS 3.1 (CM1000) Gigabit Modem, Compatible with All Major Cable Providers Including Xfinity, Spectrum, Cox, for Cable Plans Up to 1 Gbps

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Main Highlights

Compatible with all major cable internet providers with internet speed up to 1Gbps. Currently certified with Spectrum and Cox (up to 1Gbps), Xfinity (up to 800Mbps). Not compatible with Verizon, AT&T, CenturyLink, DSL providers, DirecTV, DISH and any bundled voice service.
Save monthly rental fees: Model CM1000 replaces your cable modem saving you up to dollar 168/year in equipment rental fees.
Works with any Wi-Fi router: Connect any Wi-Fi router to this modem's Ethernet port to support all your wireless devices.
Ethernet connections: 1 Gigabit Ethernet port connects to your computer or separate Wi-Fi router.

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8.3

NETGEAR

NETGEAR Nighthawk DOCSIS 3.1 Mid/high-Split Cable Modem (CM2500-1AZNAS) – Approved for Today’s Faster Speeds - Works with All Cable Providers Incl. Xfinity, Spectrum, Cox - Plans up to 2Gbps (Renewed)

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Main Highlights

Mid/high-split DOCSIS 3.1 cable modem delivers up to 2Gbps of download speeds and 1Gbps of upload speeds
Unlock faster cable internet speeds, such as Xfinitys 900Mbps download speeds and 100Mbps upload speeds. Works with all major US internet providers. Not compatible with Xfinity Voice plans
Faster download speeds powers your digital lifestyle with enhanced speed, capacity, efficiency, and response times
10x faster upload speeds for seamless multi-family gaming, video conferencing and uploading even the largest filessimultaneously. Plus provides easy remote access to your home security cameras and files on your NAS
For the ultimate in performance, link a NETGEAR WiFi 6E or WiFi 7 router or Orbi system to the CM2500 cable modem
Stay ahead of future internet speeds with our mid/high-split DOCSIS 3.1 cable modem for much higher performance levels
Save up to dollar 300 a year in ISP rental fees by owning this high-performance modem
Connect the two Gigabit ports to a router with link aggregation for up to 2Gbps

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8.1

NETGEAR

Netgear Gigabit Cable Modem (32x8) DOCSIS 3.1 | for XFINITY by Comcast, Cox. Compatible with Gig-Speed from Xfinity - CM1000-1AZNAS (Renewed)

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Main Highlights

Compatible with all major cable internet providers with internet speed up to 1Gbps. Currently certified with Spectrum and Cox (up to 1Gbps), Xfinity (up to 800Mbps). Not compatible with Verizon, AT&T, CenturyLink, DSL providers, DirecTV, DISH and any bundled voice service
Model CM1000 replaces your cable modem saving you up to 168/year in equipment rental fees
Connect any WiFi router to this modem's Ethernet port to support all your wireless devices
1 Gigabit Ethernet port connects to your computer or separate WiFi router
Made for use in the US only

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Our Best Overall Choice

Best Choice

9.7

ARRIS

ARRIS (SB6183-RB) Cable Modem - Fast DOCSIS 3.0 16x4 Gigabit Cable Modem, For Comcast Xfinity, Cox, Spectrum and more, 1 Gbps Port, 400 Mbps Max Internet Speed, 1 Year Warranty - Renewed

Free Shipping

Editor's bottom line:

“This is the best one we tested. In terms of quality, brand and price, we couldn't ask for more.”

Main Highlights

This product may come white or black in color
Approved for Cox, Spectrum and Xfinity internet along with other US cable internet providers. Is NOT compatible with ATT, CenturyLink, Verizon, Frontier or other Fiber Optic, DSL or Satellite internet service providers.
Does NOT include Wi-Fi and Does NOT support cable digital voice service.
Modem Technology/Simple Set-Up: DOCSIS 3.0 is a reliable, broadly available & affordable technology that delivers high speed internet to your home devices. Plug-in the device, download the SURFboard Central App & follow the instructions to activate.
Compatibility: Compatible with major U.S. cable internet providers including Cox, Spectrum, Xfinity and others. It's approved for cable internet speed plans up to 400 Mbps. Check your Internet Service Provider website to confirm compatibility.
Ethernet Ports/Warranty: Has one 1-Gigabit ethernet port to connect to a Wi-Fi router or other wired device. Product ships with 2-Year Limited Warranty. Live Chat and Phone Support available 8am -1am EST.

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