Best arris sb6121 speed Buying Guide In 2022


If you’re searching for a new arris sb6121 speedfor your needs, you can not go wrong with a arris sb6121 speed In this buying guide, I will tell you everything you need to know about the best arris sb6121 speed, including what you need to know when you go shopping and my top picks.

Last update on 2023-01-27 / Affiliate links / Images from Amazon Product Advertising API

SaleBestseller No. 1
ARRIS SURFboard SB6121 4x4 DOCSIS 3.0 Cable Modem (Renewed)-Black
770 Reviews
ARRIS SURFboard SB6121 4x4 DOCSIS 3.0 Cable Modem (Renewed)-Black
  • This Certified Refurbished product is manufacturer refurbished, shows limited or no wear, and includes all original accessories plus a 90-day warranty. IMPORTANT NOTEL: A few units might show the brand as Motorola (and not Arris) as Arris had acquired Motorola for 2 years; hence it will be the same product and the same model
  • Requires CABLE Internet Service, if not sure your provider is CABLE call them to confirm. Does NOT work with Charter cable provider.
  • Compatible with MOST Major CABLE providers like Comcast/Xfinity, Cox, Time Warner, Mediacom, Bright House.
  • 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 download speeds up to 172 Mbps and upload speeds up to 131 Mbps based on your Cable provider service. Good for streaming Video and gaming on multiple devices at a time.
Bestseller No. 2
Motorola SURFboard SB6121 Cable Modem (SB6121)
11,811 Reviews
Motorola SURFboard SB6121 Cable Modem (SB6121)
  • 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.
SaleBestseller No. 3
ARRIS SURFboard SB8200 DOCSIS 3.1 Cable Modem | Approved for Comcast Xfinity, Cox, Charter Spectrum, & more | Two 1 Gbps Ports | 1 Gbps Max Internet Speeds | 4 OFDM Channels | 2 Year Warranty
16,236 Reviews
ARRIS SURFboard SB8200 DOCSIS 3.1 Cable Modem | Approved for Comcast Xfinity, Cox, Charter Spectrum, & more | Two 1 Gbps Ports | 1 Gbps Max Internet Speeds | 4 OFDM Channels | 2 Year Warranty
  • 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.
  • 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).
  • 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.
SaleBestseller No. 4
ARRIS SURFboard SB6190 DOCSIS 3.0 32 x 8 Gigabit Cable Modem | Comcast Xfinity, Cox, Spectrum | 1 Gbps Port | 800 Mbps Max Internet Speeds | Easy Set-up with SURFboard Central App | 2 Year Warranty
5,081 Reviews
ARRIS SURFboard SB6190 DOCSIS 3.0 32 x 8 Gigabit Cable Modem | Comcast Xfinity, Cox, Spectrum | 1 Gbps Port | 800 Mbps Max Internet Speeds | Easy Set-up with SURFboard Central App | 2 Year Warranty
  • A Trusted Name in Home Connectivity: Better connectivity, better speed. The ARRIS SURFboard SB6190 DOCSIS 3.0 Cable Modem is designed to bring you better 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.
  • 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: 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 SB6190 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.
  • What's in the Box: When you purchase you will get an ARRIS SURFboard SB6190 Cable Modem, Power Supply, Quick-Start guide, and 2-year warranty card.
  • Ethernet Ports: Has one 1-Gigabit ethernet port to connect to a Wi-Fi router or other wired device.
SaleBestseller No. 5
ARRIS Surfboard S33 DOCSIS 3.1 Multi-Gigabit Cable Modem | Approved for Comcast Xfinity, Cox, Spectrum & More | 1 & 2.5 Gbps Ports | 2.5 Gbps Max Internet Speeds | 4 OFDM Channels | 2 Year Warranty
1,849 Reviews
ARRIS Surfboard S33 DOCSIS 3.1 Multi-Gigabit Cable Modem | Approved for Comcast Xfinity, Cox, Spectrum & More | 1 & 2.5 Gbps Ports | 2.5 Gbps Max Internet Speeds | 4 OFDM Channels | 2 Year Warranty
  • A Trusted Name in Home Connectivity: Better connectivity, better speed. The ARRIS SURFboard S33 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. .Dedicated Customer Support: Live Chat and Phone Support available 8am -1am EST.Warranty Provided by ARRIS: Product ships with 2-Year Limited Warranty.
  • 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).
  • 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 S33 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 2.5-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 S33 Cable Modem, Power Supply, Quick-Start guide, and 2-year warranty card.
  • Ethernet Ports: Has one 2.5-Gigabit ethernet port and one 1-Gigabit ethernet port to connect to a Wi-Fi router or other wired device.
SaleBestseller No. 6
ARRIS Surfboard SB6190 32x8 DOCSIS 3.0 Cable Modem with 1.4 Gbps Download and 262 Upload Speeds, White (Non-Retail Packaging) (Renewed)
101 Reviews
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
SaleBestseller No. 7
ARRIS SURFboard SB8200-RB DOCSIS 3.1 Cable Modem | Approved for Comcast Xfinity, Cox, Charter Spectrum, & more | Two 1 Gbps Ports | 1 Gbps Max Internet Speeds | 4 OFDM Channels (Renewed)
1,641 Reviews
ARRIS SURFboard SB8200-RB DOCSIS 3.1 Cable Modem | Approved for Comcast Xfinity, Cox, Charter Spectrum, & more | Two 1 Gbps Ports | 1 Gbps Max Internet Speeds | 4 OFDM Channels (Renewed)
  • DOCSIS 3.1 cable modem best for cable internet speed plans up to 2 Gbps*..DOCSIS 3.1 cable modem best for cable internet speed plans up to 2 Gbps*.Compatible with Xfinity Comcast, Charter Spectrum, Cox, and other major U.S. cable internet providers.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 portsEasily setup your modem with the SURFboard Central app
  • Compatible with Xfinity Comcast, Charter Spectrum, Cox, and other major U.S. cable internet providers.
  • 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
  • Easily setup your modem with the SURFboard Central app
Bestseller No. 8
ARRIS Surfboard G34 DOCSIS 3.1 Gigabit Cable Modem & Wi-Fi 6 Router (AX3000) | Approved for Comast Xfinity, Cox, Spectrum & More | Four 1 Gbps Ports | 1 Gbps Max Internet Speeds | 2 Year Warranty
  • A Trusted Name in Home Connectivity: Get high speeds, low latency, and a two-in-one product! With the ARRIS SURFboard G34 Wi-Fi Cable Modem, you will increase your network capability and get ultra-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 3.1 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).
  • 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 G34 is compatible with major U.S. cable internet providers including Cox (Gigablast), Spectrum (Internet Gig), Xfinity (Gigabit/Gigabit x2) 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 G34 Cable Modem, Power Supply, Quick-Start guide, and 2-year warranty card.
  • Router Technology: Features four 1-Gigabit ethernet ports and delivers Wi-Fi 6 speeds up to 3 Gbps (3,000 Mbps).
SaleBestseller No. 9
ARRIS® Surfboard® SB6190 Cable Modem, White
4,325 Reviews
ARRIS® Surfboard® SB6190 Cable Modem, White
  • 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.
Bestseller No. 10
ARRIS SURFboard SB6141-RB 8x4 DOCSIS 3.0 Cable Modem (Renewed)
1,189 Reviews
ARRIS SURFboard SB6141-RB 8x4 DOCSIS 3.0 Cable Modem (Renewed)
  • 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

Last update on 2023-01-27 / Affiliate links / Images from Amazon Product Advertising API

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Almost any product, before buying a arris sb6121 speed, you should ask yourself these few questions:

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  5. What are some positives and negatives of arris sb6121 speed, and how do they affect your user experience?
  6. Where can you buy the Best arris sb6121 speed and service or repair it if necessary?

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