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ARRIS SURFboard SB6121 4x4 DOCSIS 3.0 Cable Modem -Retail Packaging-BlackMerchant Video

Motorola SURFboard SB6121 Cable Modem (SB6121)


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About this item

  • 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.

Safety and product resources

Safety documents

Important information

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Box design may very.

Top Brand: ARRIS

Highly Rated
100K+ customers rate items from this brand highly
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10K+ orders for this brand in past 3 months
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From the manufacturer

ARRIS SURFboard

Since 1997, when the first SURFboard was launched in Retail, SURFboard modems have been amongst the leading modems in the market and saving consumers money on their monthly rental fees.

When you choose an ARRIS SURFboard, you’re joining a 60-year legacy of innovation from the company that invented digital TV and brought wireless Internet into the home with the first cable modem gateway. The same company that the world’s leading service providers choose to connect millions of people around the world to the Internet.

Harness the power of SURFboard and take control of your home network!

SURF with the original and save money!

A lightning-fast Internet experience like no other. The SURFboard SBG6700-AC is 3 products in 1: a DOCSIS 3.0 Cable Modem, Dual-Band Concurrent 802.11ac Wi-Fi Access Point and 2-Port Gigabit Ethernet Router. With download speeds up to 343 Mbps and Wi-Fi speeds up to 1600 Mbps your gaming and video streaming just got better! Beamforming technology provides maximum Wi-Fi coverage and performance. Stop paying rental fees. Own yours today!

Amazing Features

  • DOCSIS 3.0 Cable Modem
  • Download speeds up to 343 Mbps
  • 8 download & 4 upload channels
  • 2 – Gigabit Ethernet Ports – 10/100/1000 Mbps
  • 2.4/5.0 Ghz Dual-band concurrent
  • 802.11ac W-Fi speeds up to 1600 Mbps
  • Supports IPv4 and IPv6 – the latest Internet standard
  • Wi-Fi beamforming – max coverage & performance
  • Compatible with major U.S. Cable Providers
SBG6580 Wi-Fi Modem
SBG6700-AC Wi-Fi Modem
SBG6900-AC Wi-Fi Modem
Download Speed 343 Mbps 343 Mbps 686 Mbps
DOCSIS 3.0 3.0 3.0
Gigabit Ethernet Ports 4 2 4
Wi-Fi N300 dual-switched AC1600 dual-band concurrent AC1900 dual-band concurrent
Pre-set Wi-Fi Security
Wireless Guest Access
Energy Efficient Ethernet
2 Year Limited Warranty
Tech Support by ARRIS

Product Description

Product Description

A new and improved version of the world's most widely deployed DOCSIS cable modems. For the residential cable subscriber who wants a powerful modem capable of delivering a high-speed data service at blazing fast speeds.10 / 100 / 1000 Base-T Ethernet Port (RJ-45) and 1-Year Limited Warranty.

Additional information:

• Requires CABLE Internet Service, if not sure your provider is CABLE call them to confirm
• Compatible with ALL Major CABLE providers like Comcast, Cox, Charter, Time Warner, Mediacom, Bright House

Amazon.com

Product information

Product Dimensions 2 x 6.4 x 8.7 inches
Item Weight 1 pounds
ASIN B004XC6GJ0
Item model number SB6121
Best Sellers Rank
Is Discontinued By Manufacturer No
Date First Available June 1, 2011
Department Electronics & Computers
Manufacturer Motorola

Warranty & Support

Product Warranty: For warranty information about this product, please click here [PDF ]

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Motorola SURFboard SB6121 Cable Modem (SB6121)


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Product Summary: Motorola SURFboard SB6121 Cable Modem (SB6121)

From ARRIS

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About this Item

  • 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.

Product Description

Product Description
A new and improved version of the world's most widely deployed DOCSIS cable modems. For the residential cable subscriber who wants a powerful modem capable of delivering a high-speed data service at blazing fast speeds.10 / 100 / 1000 Base-T Ethernet Port (RJ-45) and 1-Year Limited Warranty. <!--[if gte mso 9]> <![endif]-->

Additional information:

• Requires CABLE Internet Service, if not sure your provider is CABLE call them to confirm • Compatible with ALL Major CABLE providers like Comcast, Cox, Charter, Time Warner, Mediacom, Bright House

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Amazon.com

Newer Version Available

ARRIS SURFboard mAX Pro (16x4) DOCSIS 3.0 Cable Modem, approved for Cox, Spectrum, Xfinity & more

, ${starCount} out of 5 stars, ${ratingCount} ratings

Product Guidance & Documents

User Guide (PDF)

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