NETGEAR Nighthawk CAX80 | DOCSIS 3.1 Cable Modem + Wi-Fi 6 Router

The NETGEAR Nighthawk CAX80 combines a DOCSIS 3.1 cable modem with a Wi-Fi 6 (AX6000) router for fast, reliable whole-home internet—ideal for gaming, 4K/8K streaming, and busy households. Works with major cable providers and helps you eliminate monthly equipment rental fees.

Key Features

• DOCSIS 3.1 with 32×8 channel bonding for multi-gig-class cable connectivity (plan/ISP dependent)
• Wi-Fi 6 (AX6000) dual-band wireless performance with coverage up to ~3,000 sq ft
• 2.5 GbE WAN/LAN port + 4× Gigabit LAN for high-speed wired devices
• USB 3.0 port for storage/printer sharing
• NETGEAR Armor security (optional subscription) and WPA/WPA2
• Own your gateway to avoid rental fees (often ~$10–$15/mo)

Compatibility

Compatible with most plans from major U.S. cable ISPs:

• Comcast Xfinity
• Spectrum (Charter)
• Cox

Not compatible with Verizon/AT&T/CenturyLink (fiber/DSL), satellite providers, or bundled voice/eMTA services. Always confirm device eligibility and maximum supported speed for your exact plan/region with your ISP.

Performance

• Wi-Fi: AX6000 dual-band (up to 6 Gbps wireless aggregate under ideal conditions)
• Cable: DOCSIS 3.1 (backward compatible with DOCSIS 3.0)
• Ports: 1× 2.5 GbE, 4× 1 GbE, 1× USB 3.0

Technical Specifications

What’s Included

• NETGEAR Nighthawk CAX80 Cable Modem Router
• Ethernet Cable
• Power Adapter
• Quick Start Guide / Online Installation Manual

Quick Setup

1. Connect coax, then power.
2. Plug your device/router into the 2.5 GbE (or a Gigabit) port.
3. Activate with your cable provider via app/portal or support line.
4. Use the Nighthawk app to finish Wi-Fi setup and security.

FAQ

Will this work with my internet company?
Yes for most Xfinity/Spectrum/Cox plans. Check your exact tier and region with your ISP.

Does it support phone/voice lines?
No. For telephony (eMTA), choose a gateway that supports voice service.

How fast is it?
Wireless up to AX6000 (aggregate). Cable throughput depends on your DOCSIS plan and network conditions.

Speeds/coverage are theoretical and vary by ISP plan, network load, home layout, and client device capabilities.