The Motorola SURFboard SB6121 the the successor of SB6120 cable modem that can also delivers fast internet broadband speed for any online activities and media experiences. It is powered by DOCSIS 3.0 technology to bond up to 4 downstream and upstream channels and give you download speed of 172 Mbps and 131Mbps of upload speed (it depends on your Internet service provider). With this faseter speed, online gaming, streaming videos on YouTube, shopping at your favorite online stores, downloading large files, VoIP or video conferencing will be much faster and efficient. This device is compatible with major ISP in the United States like TWC, Cox, Charter, etc.

The Motorola SURFboard SB6121 has nice design and is easy to use and install. It’s “plug and play” installation and complete within minutes. It also cones with Light indicators on the front panel that indicates modem status and helps with troubleshooting, user guides is available in several languages and supports a variety of standard internet software too, its online diagnostics page is easy to understand and with User-friendly interface..

Here are other key features of the Motorola SURFboard SB6121 cable modem ;


– It has stylish shape & small so you can save more space on your desk.
– Offers innovative, can handle high bandwidth data for multimedia purposes, gaming, etc to customers
– Compatible with old DOCSIS or EuroDOCSIS 1.x and 2.0

Versatile and Convenient

– This cable modem works with Windows, Macintosh and UNIX operating systems
– Equipped with Gigabit Ethernet or RJ-45 data port for fast data transfer & high-speed connectivity

If you are thinking to buying a new cable modem or want to replace your old modem, you can consider to have this one because this is one of the best modem on the market. In Amazon, this product has more than 8.000 reviews and grows day by day and most customers are very very pleased with its quality.