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ARRIS SURFboard (8x4) DOCSIS 3.0 Cable Modem, 343 Mbps Max Speed, Certified for Comcast Xfinity, Spectrum, Cox, Cablevision & more (SB6141 Black) - Walmart.com
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Comcast to roll out DOCSIS 4.0 and Multi-Gig speeds in 2023; Fiber (not FWA) is the real competitor – Technology Blog
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