ARRIS (SB6183-RB) Cable Modem – Fast DOCSIS 3.0 16×4 Gigabit Cable Modem, For Comcast Xfinity, Cox, Spectrum and more, 1 Gbps Port, 400 Mbps Max Internet Speed, 1 Year Warranty – Renewed

Price: $39.99 - $29.99
(as of Apr 29, 2026 23:42:12 UTC – Details)

The SURFboard SB6183 is a DOCSIS 3.0 Cable Modem capable of of bonding up to 16 downstream and 4 upstream channels. It’s best for cable internet speed plans up to 400 Mbps. Stop spending money on monthly rental fees. Power your home network with the SURFboard SB6183.
This product may come white or black in color
Approved for Cox, Spectrum and Xfinity internet along with other US cable internet providers. Is NOT compatible with ATT, CenturyLink, Verizon, Frontier or other Fiber Optic, DSL or Satellite internet service providers.
Does NOT include Wi-Fi and Does NOT support cable digital voice service.
Modem Technology/Simple Set-Up: DOCSIS 3.0 is a reliable, broadly available & affordable technology that delivers high speed internet to your home devices. Plug-in the device, download the SURFboard Central App & follow the instructions to activate.
Compatibility: Compatible with major U.S. cable internet providers including Cox, Spectrum, Xfinity and others. It’s approved for cable internet speed plans up to 400 Mbps. Check your Internet Service Provider website to confirm compatibility.
Ethernet Ports/Warranty: Has one 1-Gigabit ethernet port to connect to a Wi-Fi router or other wired device. Product ships with 2-Year Limited Warranty. Live Chat and Phone Support available 8am -1am EST.