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Amazon.com: ARRIS SURFboard (8x4) DOCSIS 3.0 Cable Modem, approved for Cox, Spectrum, Xfinity & more (SB6141 Black) (Renewed) : Electronics
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ARRIS SURFboard (16x4) DOCSIS 3.0 Cable Modem. Approved for XFINITY Comcast, Cox, Charter and most other Cable Internet providers for plans up to 300 Mbps (SB6183), White - Walmart.com
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