If you have been searching for the best Motorola Sb6121 Docsis 3.0 Cable Modem, you probably have noticed that not all models have the same specifications, some can adapt better than others to different tasks. To help you choose the product you need, we have gathered 10 of the best Motorola Sb6121 Docsis 3.0 Cable Modem from different categories on the market.

Best Motorola Sb6121 Docsis 3.0 Cable Modem

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Our system have put together a list of options that will meet the needs of different types of buyers, so whether it’s price performance or its particular use, we have got you covered for more information on the products we have included links in the list down below which are updated for the best prices.

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15 new from $47.95
26 used from $7.40
Amazon.com

Features

Part Number SB6121
Model SB6121
Warranty 1 year
Color Black
Release Date 2013-06-01T00:00:01Z
Size Max Download Speed: 172 Mbps
Language English

  • Compatible with Time Warner Cable, Charter, Cox, Cablevision, and more
  • Not compatible with Verizon FiOS or AT&T U-verse, no longer approved by Comcast Xfinity
  • Requires Cable Iternet Service, if not sure your provider is CABLE call them to confirm
  • BROWN BOX models NOT VALID for this item when sold as New, should report to Amazon immediately and RETURN to Seller
  • Wired modem only, does NOT include WIFI Router or VOIP Telephone adapter. Gigabit Ethernet port to connect to computer or Router for fast downloads.
  • Internet speeds based on your Cable providers service - up to 172 Mbps download and 131 Mbps upload. 4 Download and 4 Upload Channels.

5 new from $34.99
Free shipping
Amazon.com

Features

Part Number SB6190-RB
Model SB6190
Warranty 1 Year Limited Warranty
Color White
Is Adult Product
Release Date 2024-04-01T00:00:01Z
Size Max Download Speed: 1.4 Gbps

  • 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 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.

3 new from $29.95
2 used from $29.97
Amazon.com

Features

Part Number FBA_581902-027-rb
Model FBA_581902-027-rb
Warranty 90 days limited warranty
Release Date 2018-10-01T00:00:01Z
Size Max Download Speed: 343 Mbps

  • Approved on Comcast Xfinity, Spectrum (Charter, Time Warner, Brighthouse Networks), Cox, Mediacom, Suddenlink and most other US Cable Internet Providers. NOT compatible with Verizon, AT&T or Centurylink. REQUIRES Internet Service.
  • Wired modem only. Does not include WiFi router or VOIP Telephone adapter. Gigabit Etherent port to connect to PC or Router.
  • 8 Download Channels and 4 Upload Channels capable of up to 343 Mbps download and 131 upload speeds. Recommended for Internet Plans up to 100 Mbps.
  • Supports both IPv4 and IPv6, the latest standard.
  • 90 Day Warranty. ARRIS Certified Refurbished. US Technical support. ARRIS Certified Refurbished products will ALWAYS be branded ARRIS, Never Motorola! If you get Motorola branded product they are illegitimate, need to be returned to Seller and Reported to Amazon

23 new from $57.95
30 used from $24.00
Free shipping
Amazon.com

Features

Part Number SB6190
Model SB6190
Warranty 2 Year Limited Warranty
Color White
Is Adult Product
Release Date 2024-04-01T00:00:01Z
Size Max Download Speed: 1.4 Gbps

  • Power your home network with the SB6190 to deliver fast speeds and a reliable connection to the Internet. The SURFboard SB6190 is a DOCSIS 3.0 modem that's capable of download speeds up to 1.4 Gbps.
  • Get internet speeds up to 1.4 Gbps for downloads and 262 Mbps for uploads based on your cable ISP subscription.
  • Gigabit Ethernet port connects to your computer or router for fast downloads.
  • Stream HD video and games on multiple devices at the same time.
  • Download 32 channels and upload 8 channels to future proof your modem as your Cable ISP enhances service offerings.

2 new from $29.99
Free shipping
Amazon.com

Features

Part Number MB7420-10-cr
Warranty 90 days limited warranty
Color Black

  • This 16x4 DOCSIS 3.0 cable modem provides speeds up to 686 Mbps, sixteen times faster than DOCSIS 2.0. A Full-Band Capture digital tuner ensures a faster, more reliable Internet.
  • Cable modem's Ethernet port connects to a computer, HDTV, game station, or wireless router. (This Model MB7420 cable modem does NOT have a built-in wireless router and does NOT have a telephone adapter or phone jack. The Motorola MG7310, MG7315, MG7540 and MG7550 have a built-in wireless router.)
  • Requires cable Internet service. Certified by Comcast XFINITY for residential speeds up to Extreme 300, by Comcast Business for speeds up to Deluxe 250, Time Warner Cable, Cox, Charter Spectrum, BrightHouse, and other leading cable service providers for modem ownership programs that typically save rental charges of $120 or more per year
  • Setup is fast and easy with a few quick steps set out in a Quick Start guide. Experienced USA-based customer support specialists are there to help if you need them.
  • Attractive, compact design minimizes shelf space, improves cooling, and extends product life while looking great in any home or office. A two-year warranty plus rugged lightning and power surge circuits protect your investment.

2 new from $113.01
5 used from $32.23
Amazon.com

Features

Part Number FBA_SB6141
Model FBA_SB6141
Color Black

  • 10/100/1000 Mbps Ethernet port to connect with router or computer
  • DOCSIS 3.0 certified, capable of up to 343 Mbps and upload speeds up to 131 Mbps based on Cable provider service
  • Compatible with all major CABLE providers like Comcast/Xfinity, Cox, Charter, Time Warner, Mediacom, Bright House. Call your ISP to verify compatibility
  • Compatible with Windows, Macintosh and UNIX computers
  • Front-panel LEDs indicate status and simplify troubleshooting

4 new from $34.98
Free shipping
Amazon.com

Features

Part Number SB6183-RB
Model SB6183
Warranty 1 Year Limited Warranty
Color White
Release Date 2024-04-01T00:00:01Z
Size Max Download Speed: 686 Mbps

  • 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.

4 new from $59.99
17 used from $21.75
Amazon.com

Features

Part Number MB7420-10
Model MB7420-10
Warranty 2 year manufacturer
Color Black
Release Date 2018-08-01T00:00:01Z

  • This 16x4 DOCSIS 3.0 cable modem provides speeds up to 686 Mbps, sixteen times faster than DOCSIS 2.0. A Full-Band Capture digital tuner ensures a faster, more reliable Internet.
  • Cable modem's Ethernet port connects to a computer, HDTV, game station, or wireless router. (This Model MB7420 cable modem does NOT have a built-in wireless router and does not have a telephone adapter or phone jack. The Motorola MG7310, MG7315, MG7540 and MG7550 have a built-in wireless router.)
  • Requires cable Internet service. Certified by Comcast XFINITY for residential speeds up to Extreme 300, by Comcast Business for speeds up to Deluxe 250, Time Warner Cable, Cox, Charter Spectrum, BrightHouse, and other leading cable service providers for modem ownership programs that typically save rental charges of 120 dollar or more per year
  • Setup is fast and easy with a few quick steps set out in a Quick Start guide. Experienced USA-based customer support specialists are there to help if you need them.

15 new from $157.77
28 used from $48.30
Free shipping
Amazon.com

Features

Part Number SB8200
Model SB8200
Warranty 2 year Limited Warranty
Color White
Is Adult Product
Release Date 2017-02-24T00:00:01Z
Size Cable Modem

  • 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.
  • Compatibility: The SURFboard SB8200 is compatible with major U.S. cable internet providers including Cox (Gigablast), Spectrum (Internet Gig), Xfinity (Blast!/Extreme Pro) and others. It's approved for cable internet speed plans up to 1-Gbps. Check your Internet Service Provider (ISP) website to confirm compatibility.
  • What's in the Box: When you purchase you will get an ARRIS SURFboard SB8200 Cable Modem, Power Supply, Quick-Start guide, and 2-year warranty card.
  • Ethernet Ports: Has two 1-Gigabit ethernet ports to connect to a Wi-Fi router or other wired device.
  • Dedicated Customer Support: Live Chat and Phone Support available 8am -1am EST.
  • Compatible Service Providers: Advanced Stream, Altice Optimum, Altice Suddenlink, Armstrong, Atlantic Broadband, CableOne/Sparklight, Click CableTV, Comcast/Xfinity, Cox, Grande Communications, New Wave/Sparklight, Mediacom, Midcontinent Communications, RCN, Service Electric, Spectrum, Wave Broadband, WOW, Zito Media