Motorola SB6121 Product Details
The Motorola SB6121 DOCSIS 3.0 Cable Modem is compatible with Charter, Cox, Cablevision, Spectrum & Time Warner Cable. This model features a 4×4 channel bonded design that supports wired download speeds of more than 100 Mbps in each direction. This model has both a small physical footprint, but also was designed to conserve energy, making it one of the more “green” networking options available for your home.
Interface & Additional Features
The SB6121 cable modem features some of the best remote management features from Arris/Motorola. This model can be accessed online to manage settings, firmware, & more! These user-friendly diagnostics can help you diagnose connection issues, and prevents you from having to call your provider to your home to correct network problems. Additionally, this model provides the ability to provision and manage IP multicast and supports AES traffic encryption for enhanced security.
Additionally, this model supports IPv4 and IPv6 for enhanced network stability and security. Connect any wireless router for instant WiFi connections with all of your devices.
This model has been tested & works great with Time Warner Cable, Spectrum, Cox, Cablevision & other US-Based cable providers. Since this model’s firmware is pretty versatile, even if you don’t see your provider listed here, it’s worth giving them a call to see if this model will work with your service. Always call before ordering, even if your provider is supported, to ensure that this model is a good fit for your location and service plan. Please note that this model is no longer approved for use with Comcast Xfinity.
- Motorola SB6121 Cable Modem
- Ethernet Cable
- Power Supply Cable
- Online Installation Manual
Will this work with my internet company?
This Motorola modem is primarily used and is compatible with Spectrum, Time Warner Cable, Charter, Cox, & Cablevision service in most areas. To verify that this model will work in your area, always contact your service provider’s customer service prior to placing your order with us to confirm that this model will work with your service plan. Some service plan speeds may not be supported.