Motorola SURFboard Cable Modem SB6121 - DOCSIS 3.0 200 Series
US $45.00US $45.00
Sat, Jun 21, 12:10 PMSat, Jun 21, 12:10 PM
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Motorola SURFboard Cable Modem SB6121 - DOCSIS 3.0 200 Series
Condition:
Used
An item that has been used previously. The item may have some signs of cosmetic wear, but is fully operational and functions as intended. This item may be a floor model or store return that has been used. See the seller’s listing for full details and description of any imperfections.
Ended: Jun 21, 2025 12:10:22 EDT
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Shipping:
US $9.39 (approx C $12.85) USPS Ground Advantage®.
Located in: Clearwater, Florida, United States
Delivery:
Estimated between Mon, Jul 14 and Fri, Jul 18 to 91768
Returns:
No returns accepted.
Payments:
Shop with confidence
Seller assumes all responsibility for this listing.
eBay item number:157096315958
Item specifics
- Condition
- Maximum Downstream Data Rate
- 172 Mbps
- Maximum LAN Data Rate
- 1000 Mbps
- Color
- Black
- Custom Bundle
- No
- Ports
- Ethernet (RJ-45)
- To Fit
- PC
- California Prop 65 Warning
- N/A
- DOCSIS Standard
- DOCSIS 3.0
- Modem Device Type
- Cable Modems & Routers
- Manufacturer Warranty
- None
- Model
- SB6121
- Connectivity
- Single Ethernet (RJ-45) Port, Wired-Ethernet (RJ-45)
- Features
- For Gaming, Unlocked
- Carrier
- Unlocked
- Country/Region of Manufacture
- China
- Number of LAN Ports
- 1
- UPC
- 0612572191798
About this product
Product Information
Enjoy lightning-fast broadband speed and safer web surfing with the Motorola SURFboard eXtreme (SB6121) 222.64 Mbps Modem from Arris. Thanks to a download speed of up to 160 Mbps in Docsis 3.0 mode, you can enjoy a range of Internet activities without getting frustrated about all the lag times and speed-related glitches. Using up to four channels, the cost-effective Arris Motorola SB6121 Surfboard Docsis 3.0 cable modem delivers on fast broadband speed for better user experience when playing online games, streaming HD videos, shopping, video conferencing, making high-quality free VOIP voice calls, downloading huge files, or running peer-to-peer networking applications. Enjoy your games, movies, and video calls all in real-time. Save money by conserving energy when your Motorola SB6121 surfboard Docsis 3.0 Extreme is not in use by switching on the power-saving mode. Set up is quick, easy, and hassle free. User-friendly diagnostics allows you to configure your modem correctly and check on net service disruptions. Ensure that your new cable modem supports DOCSIS 3.0, the current iteration of the Data Over Cable Service Interface Specification that governs how cable operators deliver high-speed Internet. You also need a cable modem that is compatible with the major cable ISPs in the U.S., including Time Warner, Comcast, Cox, and Charter. The Motorola SB6183 is compatible with nine of the ten U.S. cable Internet providers. The Arris Motorola SB6121 Motorola SURFboard DOCSIS 3.0 and SB6141 are both models that are rock-hard performers, with the SB6121 being the cheaper of the two. Both cable modems offer the kind of performance that finds favor with tech gurus and small business owners. The SB6121 is a master when it comes to Internet applications and fast transfer rate, which allows for faster Internet access. This model also features IPv6, which allows you to get to a larger number of newly emerging IP addresses. The SURFboard DOCSIS 3.0 woos the crowd with its high-performance technology, which allows for faster access to big data. The DOCSIS also gains high scores for its ability to handle strong traffic encryption, allowing for increased privacy and protection of your personal information while surfing and shopping online. Its cable compatibility makes for a hassle-free connection to your cable ISP, and it is compatible with Time Warner. The SURFboard model also features a 134.14 Mbps transfer rate, which allows faster web speed, while its DOCSIS 3.0 technology allows you to quickly read and write from your device. The Motorola SB6121 modem is a wired network adapter and does not offer wireless access. For that, you would need to connect the cable modem to a wireless router and adjust your network setup. You may consider purchasing the retail packaging that offers three products in one: a DOCSIS 3.0 Cable Modem, Dual-Band Concurrent 802.11ac Wi-Fi Access Point, and 2-Port Gigabit Ethernet Router. This works well with Linux, Mac, PC, and Unix computers. The Arris Motorola SB6121 SURFboard Docsis 3.0 cable modem is three times faster than wireless and has Wi-Fi speeds up to 1800 Mbps. The package offers preset Wi-Fi security amd energy-efficient Ethernet. The Motorola SB6121 modem continues to enjoy high scores in reviews for computers and accessories software.
Product Identifiers
Brand
Motorola
MPN
SB6121
UPC
0612572191798
Model
SURFboard eXtreme
eBay Product ID (ePID)
112151470
Product Key Features
Type
Cable
Dimensions
Depth
1.65in
Height
5.24in
Width
5.24in
Additional Product Features
Data Transfer Rate
222.64Mbps
Platform
M·A·C, Linux, PC Products, UNIX
Enclosure
External
Hardware Interface
RJ-45, Ethernet
Transmission Line
Cable
Network Ports
RJ-45
Brand Website
http://www.motorola.com/Video-Solutions/US-EN/Products-and-Services/Voice-and-Data-Consumer-Premise-Equipment/DOCSIS-Modems-Gateways-and-eMTAs/Cable-Modems/SURFboard_SB6121_US-EN
Item description from the seller
Seller feedback (32)
- c***- (1737)- Feedback left by buyer.Past monthVerified purchaseQuick shipping, packaged well, item was as described, and purchase was a good value.
- 3***3 (35)- Feedback left by buyer.Past monthVerified purchaseThe item was even more beautiful in person, but what was even better was the thoughtful packaging and note that came with it - thank you so so much. I cannot recommend this seller/store enough!
- p***s (1357)- Feedback left by buyer.Past 6 monthsVerified purchaselovely garment and perfect transaction.InWear Vibrant Orange Soft Chenille Sweater Cardigan Sz M (#156618975465)
Product ratings and reviews
Most relevant reviews
- Mar 08, 2016Top favourable review
Compact size, Works fine
Verified purchase: YesCondition: Pre-OwnedSold by: surpluscablesupplys
- Apr 21, 2016Top critical review
Modem sucks and you might have to buy 2 or 3 a year
Verified purchase: YesCondition: NewSold by: twintwist
- Sep 16, 2015
Had to call Comcast to activate but it works great. Only issue was that power supply fell apart during shipping; 12V 1 Amp is generic enough. Happy.
Verified purchase: YesCondition: Pre-OwnedSold by: xiayuanhuan
- May 10, 2017
If is what it is, and it does what it does.
Verified purchase: YesCondition: Pre-OwnedSold by: speedy-ship
- Nov 07, 2015
Very easy to use
Verified purchase: YesCondition: Pre-OwnedSold by: crossedarrowscommemoratives
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Seller feedback (32)
- c***- (1737)- Feedback left by buyer.Past monthVerified purchaseQuick shipping, packaged well, item was as described, and purchase was a good value.
- 3***3 (35)- Feedback left by buyer.Past monthVerified purchaseThe item was even more beautiful in person, but what was even better was the thoughtful packaging and note that came with it - thank you so so much. I cannot recommend this seller/store enough!
- p***s (1357)- Feedback left by buyer.Past 6 monthsVerified purchaselovely garment and perfect transaction.InWear Vibrant Orange Soft Chenille Sweater Cardigan Sz M (#156618975465)