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: Typically ranges from $24.99 to $49.99 depending on the merchant and condition (new vs. used).
As of April 2026, the SBG6400 is considered an entry-level or budget device.
Setting up the SBG6400 typically takes a few minutes and may require contacting your ISP for activation. arris sbg6400 best buy
: You may need to call your ISP or use their self-activation portal. Have your HFC MAC ID and Serial Number (S/N) (found on the bottom label) ready. Admin Login : IP Address : Open a browser and type 192.168.0.1 .
: Works with major U.S. cable providers such as Xfinity (Comcast) , Cox , Spectrum (Charter) , and Mediacom . It is not compatible with DSL or fiber providers like AT&T or Verizon Fios. 2. Setup Instructions : Typically ranges from $24
: If you lose your login credentials, press and hold the recessed Reset button on the back for 10–30 seconds to restore factory defaults.
: Some Best Buy reviewers noted the N300 signal can be weak in larger homes. If coverage is poor, consider Bridge Mode to use a separate, more powerful router. Setting up the SBG6400 typically takes a few
: Use admin for the username and password (or the unique Wi-Fi security key on newer units) for the password. 3. Troubleshooting Common Issues