The Best Docsis 3.0 Cable Modem of 2022 – Reviewed and Top Rated

After hours researching and comparing all models on the market, we find out the Best Docsis 3.0 Cable Modem of 2022. Check our ranking below.

2,403 Reviews Scanned

SaleRank No. #1

ARRIS (SB6190) - 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 - White

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

SaleRank No. #2

NETGEAR Cable Modem DOCSIS 3.0 (CM500) Compatible with Major Cable Providers Including Xfinity, Cox, for Plans Up to 400 Mbps

Save monthly rental fees: Model CM500 replaces your cable modem, saving you up to $168/yr in equipment rental fees.
Speeds by carrier plans: Xfinity (up to 200Mbps), Cox (up to 150Mbps).
Works with any wifi router: Connect any WiFi router, separate unit, to this modem's Ethernet port to support all your wireless devices.
Ethernet connections: 1 Gigabit Ethernet port connects to your computer or separate WiFi router.
Modem technology: Engineered with 16x4 channel bonding and DOCSIS 3.0.

Rank No. #3

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)

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.

Rank No. #4

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

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.

Rank No. #5

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

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

SaleRank No. #6

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, 2 Year Warranty - Renewed

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.

Rank No. #7

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

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

SaleRank No. #8

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

Compatible with major cable internet providers including Xfinity, Spectrum, Cox and more. NOT compatible with Verizon, AT&T, CenturyLink, DSL providers, DirecTV, DISH and any bundled voice service. Best for cable provider plans up to 2Gbps
Coverage up to 2,500 sq. ft. , 25 concurrent devices with dual-band WiFi 6 (AX2700) speed (up to 2.7Gbps)
4 X 1 Gig Ethernet ports (supports port aggregation) and 1 USB 3.0 port for computers, game consoles, streaming players, storage drive and other wired devices
Replaces your cable modem and WiFi router. Save up to $168/yr in equipment rental fees
DOCSIS 3.1 and 32x8 channel bonding. Supports WPA/WPA2/WPA3 wireless security protocols

SaleRank No. #9

Motorola MB7621 Cable Modem | Pairs with Any WiFi Router | Approved by Comcast Xfinity, Cox, and Spectrum | for Cable Plans Up to 900 Mbps | DOCSIS 3.0

Model MB7621 is recommended for actual cable Internet service speeds up to 650 Mbps. Wirecutter rates this “the best modem for most people.” A Full-Band Capture Digital Tuner ensures faster, more reliable Internet.
This cable modem's 1 Gigabit Ethernet port connects to a WiFi router, computer, HDTV, game station, or streaming video device. Great for use with Whole Home WiFi or Mesh networks like eero, Google WiFi, and Orbi. (This cable modem does not have a built-in wireless router or telephone call capability. The Motorola MG7315, MG7540, MG7550, and MG7700 have a built-in wireless router.)
Requires cable Internet service.Approved by and for use with Comcast Xfinity and Xfinity X1, Cox, Charter Spectrum, Time Warner Cable, BrightHouse, CableOne, SuddenLink, RCN, and other cable service providers. Eliminate cable modem rental fees up to 156 dollars per year. (Savings are shown for Xfinity and vary by cable service provider. No cable modem is compatible with fiber optic, DSL, or satellite services from Verizon, AT&T, CenturyLink, Frontier, and others. Model MB7621 has no phone jack.)
Setup is fast and easy using the quick start guide.
Attractive, compact design minimizes shelf space, improves cooling, and extends product life while looking great in any home or office. A 2-year warranty plus rugged lightning and power surge circuits protect your investment.

Rank No. #10

ARRIS (SBG10) - Cable Modem Router Combo - DOCSIS 3.0 16 x 4 Gigabit & AC1600 WiFi, For Comcast Xfinity, Cox, check with ISP for compatibility [Not for Spectrum] 400 Mbps Max Internet Speeds

A Trusted Name in Home Connectivity: Get high speeds, better coverage, and a two-in-one product. With the ARRIS SURFboard SBG10 Wi-Fi Cable Modem, you will increase your network capability and get fast 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: This product is compatible with service providers such as Comcast Xfinity, Cox. This product is not compatible with Charter Spectrum. Please contact your ISP for compatibility.

Last update on 2025-09-27 / Affiliate links / Images from Amazon Product Advertising API

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Features: What bells and whistles matter for an Docsis 3.0 Cable Modem?
Specifications: How powerful they are can be measured.
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Customer Reviews: Closely related to ratings, these paragraphs give you first-hand and detailed information from real-world users about their Docsis 3.0 Cable Modem.
Product Quality: You don’t always get what you pay for with an Docsis 3.0 Cable Modem, sometimes less, and sometimes more.
Product Reliability: How sturdy and durable an Docsis 3.0 Cable Modem is should be an indication of how long it will work out for you.

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FAQ:

Q: What is the maximum downstream speed of a DOCSIS modem?

A: DOCSIS 3.0 can connect eight or 6MHz channels downstream and achieve speeds up to 440 Mbps (EuroDOCSIS) and 340 Mbps (DOCSIS). Upstream, the D3.0 can reach speeds of up to 120 Mbps., The D3.0 has been the basis of operations in HFC network technology since it was introduced.

Q: What is DOCSIS 3.0 24×8?

A: What is the Linksys CM3024 DOCSIS 3.0 Cable Modem (24×8 Bonded Channels)? The Linksys CM3024 DOCSIS 3.0 Cable Modem (24×8 Bonded Channels) provides a stable, high-speed connectivity ideal for simultaneous High-Definition (HD) media streaming, online gaming, and web browsing. Click here to learn more about the Linksys CM3024. 2.

Q: How does DOCSIS 3.0 work?

A: DOCSIS 3.0 used a single carrier with 6 MHz boundaries (8 MHz in Europe). Modulation is based on single carrier QAM (SC-QAM) and symbols ran through the same carrier in a sequential order. If there was a problem within a carrier, the modulation was reduced to keep data moving-not just for that carrier, but for all carriers in a plant.

Q: What is the difference between a cable modem and a DSL modem?

A: The difference between a DSL and a cable modem is that a DSL modem connects a computer to a phone line to transmit data, while a cable modem transmits data over existing TV lines. The further the DSL modem is from the ISP, the slower the connection; for cable modems, however, distance doesn’t affect speed.