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Arris SURFboard SB6121 DOCSIS 3.0 Cable Modem (Black, 5.2 by 5.2-Inch) Certified Refurbished
This Certified Refurbished product has been tested and certified to work and look like new, with minimal to no signs of wear, by a manufacturer or specialized third-party seller approved by Amazon. The product is backed by a minimum 90-day warranty, and may arrive in a generic brown or white box.
Requires cable internet service. Compatible with major U.S. Cable Providers like Xfinity, Spectrum, Cox, Suddenlink, Mediacom, etc. Not compatible with ATT, Verizon or CenturyLink.
32 DOWNLOAD & 8 UPLOAD channels to future proof your modem as your Cable ISP enhances service offerings. Recommended for plans of 300 Mbps and above