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3-Year PC Peripherals Protection Plan

from SquareTrade
  • Coverage for product breakdowns and malfunctions
  • 24/7 customer support
  • Free shipping on all repairs with no deductibles or hidden fees
  • Fully transferable with gifts. Cancel anytime, full refund in the first 30 days
  • If you purchase this service plan and eligible product for this service plan, you acknowledge that Amazon may send the service plan seller relevant product and price information for the purpose of administering the plan

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ARRIS SURFboard DOCSIS 3.0 Cable Modem (SB6121) Time Warner Cable, Charter, Cox, Cablevision, and more (Black,Retail Packaging)

4.0 out of 5 stars 31,051 customer reviews

Price: $74.95 & FREE Shipping
Only 4 left in stock - order soon.
Ships from and sold by TechStation.
Black
Download Speed: 172 Mbps
4X4 Cable Modem
    This fits your .
  • Enter your model number to make sure this fits.
  • 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.
24 new from $74.95 72 used from $18.00 2 refurbished from $25.99

Frequently bought together

  • ARRIS SURFboard DOCSIS 3.0 Cable Modem (SB6121) Time Warner Cable, Charter, Cox, Cablevision, and more (Black,Retail Packaging)
  • +
  • TP-Link N300 Wireless Wi-Fi Router, Up to 300Mbps (TL-WR841N)
  • +
  • TP-Link N450 Wireless Wi-Fi Router, Up to 450Mbps (TL-WR940N)
Total price: $126.93
Buy the selected items together

Special offers and product promotions

Color: Black | Size: Download Speed: 172 Mbps | Style: 4X4 Cable Modem
  • Buy Used and Save: Buy a Used "ARRIS SURFboard DOCSIS 3.0 Cable Modem (SB6121) Ti..." and save 84% off the $119.99 list price. Buy with confidence as the condition of this item and its timely delivery are guaranteed under the "Amazon A-to-z Guarantee". See all Used offers.

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All Product Information Customer Q&A's Customer Reviews

From the manufacturer

ARRIS SURFboard Wi-Fi Cable Modem SBG6580 ARRIS SURFboard Wi-Fi Cable Modem SBG6700-AC ARRIS SURFboard Wi-Fi Cable Modem SBG6900-AC
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

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ARRIS SURFboard DOCSIS 3.0 Cable Modem (SB6121) Time Warner Cable, Charter, Cox, Cablevision, and more (Black,Retail Packaging)
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NETGEAR CM500-1AZNAS (16x4) DOCSIS 3.0 Cable Modem, Max download speeds of 686Mbps, Certified for Xfinity from Comcast, Spectrum, Cox, Cablevision & more
Next-Generation ARRIS SURFboard SB8200 DOCSIS 3.1 Cable Modem - Retail Packaging- White
Motorola Ultra Fast DOCSIS 3.1 Cable Modem, Model MB8600, plus 32x8 DOCSIS 3.0, Certified by Comcast XFINITY and Cox Communications
ARRIS SURFboard N300 DOCSIS 3.0 Cable Modem Router (SBG6400) Certified with Comcast Xfinity, Time Warner Cable, Charter, Cox, Cablevision, and more (White Retail Packaging)
Add to Cart Add to Cart Add to Cart Add to Cart Add to Cart Add to Cart
Customer Rating 4 out of 5 stars (31051) 4 out of 5 stars (6085) 4 out of 5 stars (1574) 4 out of 5 stars (309) 4 out of 5 stars (278) 4 out of 5 stars (31051)
Price $74.95 $97.99 $59.99 $189.00 $158.00 $69.98
Shipping FREE Shipping FREE Shipping FREE Shipping FREE Shipping FREE Shipping FREE Shipping
Sold By TechStation Amazon.com Amazon.com Amazon.com MTRLC LLC Maxproductsales (Tax Free Except NJ)
Item Dimensions 6.4 x 2 x 8.7 in 2 x 6.4 x 8.7 in 8.74 x 6.26 x 3.86 in 1.75 x 5.13 x 5.25 in 2.25 x 7.25 x 7.88 in 5 x 5.25 x 2.13 in
Item Weight 1.52 lbs 1.12 lbs 1.46 lbs 2.51 lbs 1.1 ounces 1.56 lbs

Product description

Color:Black  |  Size:Download Speed: 172 Mbps  |  Style:4X4 Cable Modem

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

Color:Black  |  Size:Download Speed: 172 Mbps  |  Style:4X4 Cable Modem

Technical Details

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Summary : Screen Size, Screen Resolution, Graphics Coprocessor, Graphics Card RAM

Technical Specification

Additional Information

Warranty & Support

Amazon.com Return Policy:You may return any new computer purchased from Amazon.com that is "dead on arrival," arrives in damaged condition, or is still in unopened boxes, for a full refund within 30 days of purchase. Amazon.com reserves the right to test "dead on arrival" returns and impose a customer fee equal to 15 percent of the product sales price if the customer misrepresents the condition of the product. Any returned computer that is damaged through customer misuse, is missing parts, or is in unsellable condition due to customer tampering will result in the customer being charged a higher restocking fee based on the condition of the product. Amazon.com will not accept returns of any desktop or notebook computer more than 30 days after you receive the shipment. New, used, and refurbished products purchased from Marketplace vendors are subject to the returns policy of the individual vendor.
Product Warranty: For warranty information about this product, please click here [PDF ]

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Top customer reviews

January 12, 2013
Color: White|Size: Download Speed: 343 Mbps|Style: 8X4 Cable Modem|Verified Purchase
0Comment| 3,103 people found this helpful. Was this review helpful to you? Report abuse
April 17, 2013
Color: White|Size: Download Speed: 343 Mbps|Style: 8X4 Cable Modem|Verified Purchase
0Comment| 1,771 people found this helpful. Was this review helpful to you? Report abuse
September 29, 2011
Color: Black|Size: Download Speed: 172 Mbps|Style: 4X4 Cable Modem|Verified Purchase
0Comment| 3,141 people found this helpful. Was this review helpful to you? Report abuse

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