|Item model number||SB6121|
|Item Weight||1.3 pounds|
|Product Dimensions||2 x 6.4 x 8.7 inches|
|Item Dimensions LxWxH||2 x 6.4 x 8.7 inches|
|Computer Memory Type||DDR3 SDRAM|
|Department||Electronics & Computers|
|Is Discontinued By Manufacturer||No|
|Date First Available||June 1, 2011|
Other Sellers on Amazon
+ Free Shipping
+ $16.34 shipping
4 Year Office Equipment Protection Planfrom Asurion, LLC
- No deductibles or added costs. Parts, labor and shipping included.
- Power surge covered from day one. Other breakdowns covered after the manufacturer's warranty expires.
- Includes 24/7 tech support - setup, connectivity issues, troubleshooting and much more.
- File a claim online or by phone 24/7. If we can't repair it, we'll replace it or reimburse the purchase price with an Amazon e-gift card.
- Plans are only valid for new or certified refurbished products purchased in the last 30 days with no pre-existing damage. Protection plan documents will be delivered via email within 24 hours of purchase.
ARRIS SURFboard SB6121 4x4 DOCSIS 3.0 Cable Modem -Retail Packaging-Black
|Price:||& FREE Shipping|
|You Save:||$5.99 (5%)|
- Make sure this fits by entering your model number.
- 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.
Frequently bought together
Customers who viewed this item also viewed
Customers who bought this item also bought
Have a question?
Find answers in product info, Q&As, reviews
Your question may be answered by sellers, manufacturers, or customers who purchased this item, who are all part of the Amazon community.
Please make sure that you are posting in the form of a question.
Please enter a question.
From the manufacturer
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!
- 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|
|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||✓||✓||✓|
Compare with similar items
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.
• 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
Box design may very.