ARRIS SB6183 Cable Modem DOCSIS 3.0 16x4 1GbE

The ARRIS SURFboard SB6183 is a DOCSIS 3.0 cable modem that delivers reliable home internet by bonding 16 downstream and 4 upstream channels for cable plans up to 400 Mbps.

Simple, rack-free and built for home broadband, the SB6183 connects directly to your cable internet service to provide a stable wired connection through its gigabit Ethernet port. It eliminates monthly rental fees when you own the modem and works with most major U.S. cable providers — however, please confirm compatibility with your ISP before purchasing.

How fast will the SB6183 make my internet?

The modem uses DOCSIS 3.0 channel bonding (16 downstream x 4 upstream) to maximize data throughput from your cable provider. While theoretical aggregated speeds can be higher, ARRIS recommends pairing this model with plans up to about 400 Mbps for consistent performance in typical home setups.

• 16x4 channel bonding for increased downstream capacity
• Single gigabit Ethernet port for a wired router or single device
• Best suited to cable internet tiers up to 400 Mbps for steady results

Will this modem work with my cable company?

The SB6183 is compatible with most major U.S. cable ISPs, but provider networks and approved device lists change over time. Contact your internet service provider to verify approval and activation requirements before buying to avoid setup issues.

• Works with many nationwide cable ISPs; check your provider's approved modem list
• Requires active cable internet service and account provisioning by your ISP
• Simple connect-and-activate process when approved by the carrier

What hardware and standards does it support?

The unit supports IPv4 and IPv6 addressing and follows DOCSIS 3.0 specifications for channel bonding and modem management. A single 1 Gbps Ethernet port provides a reliable wired link to a router, gateway, or a single computer, while the modem's compact footprint fits most entertainment centers.

• DOCSIS 3.0 standard with 16 downstream and 4 upstream channels
• IPv4 and IPv6 support for modern network addressing
• 1 Gbps RJ-45 Ethernet port for connecting a router or device

How easy is setup and what about warranty?

Setup is straightforward: connect the coax cable, power up the modem, and activate it through your ISP. The SB6183 comes with a manufacturer warranty to cover defects; check the included two-year coverage terms and your seller's return policy for protections.

• Plug-and-play physical setup with coax and Ethernet connections
• ISP activation may require account verification or a MAC address
• Includes manufacturer warranty; confirm length and details at purchase

Who is this for: The ARRIS SURFboard SB6183 fits households or small offices that want to stop renting a modem and need a dependable wired connection for streaming, video calls, gaming, and general internet use on cable plans up to around 400 Mbps. Choose this model if you want a compact DOCSIS 3.0 modem that’s simple to install, broadly compatible with U.S. cable networks, and ideal for pairing with a separate Wi‑Fi router when you need whole‑home wireless coverage.