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The Arris Surfboard SB6183 cable modem is a Docsis 3.0 modem with 16 downstream x 4 upstream channels. It is a top tier option for cable internet speed plans up to 400 Mbps and is approved for use with Cox, Spectrum, Xfinity and other major U.S. Cable internet providers. Save on monthly modem rental fees by purchasing your modem today.


  • Approved with Xfinity, Spectrum (Charter, Time Warner, Bright house), Cox and more. If you are unsure, call your cable internet provider to confirm it is approved. Requires cable internet service. NOT compatible with ATT, Centurylink or Verizon.
    Cable Modem only (no Wi-Fi router).
  • Ideal for Internet speeds up to 400 Mbps Download and 131
  • Mbps Upload based on your cable ISP subscription.
  • Gigabit Ethernet port to connect to computer or router
  • Ideal for streaming HD video and gaming on multiple devices at a time. Supports IPv4 and IPv6 – the latest internet standard.
  • Note: Color may varie, black or white


  • Brand: Arris
  • Assembled Product Dimensions (LxWxH): 3.00 x 5.00 x 5.00 Inches