NETGEAR CM700 Cable Modem – Compatible with Xfinity, Spectrum, Cox | DOCSIS 3.0 | Up to 800 Mbps

Overview

The NETGEAR CM700 is a high speed cable modem designed to power a modern home network. It supports gigabit-class connectivity up to 1.4 Gbps and is CableLabs certified for DOCSIS 3.0, delivering a solid backbone for households with multiple devices streaming, gaming, and working online. The compact unit focuses on stable performance and simple setup when paired with your existing router.

Compatibility and performance

Designed to work with major cable internet providers, the CM700 helps you unlock faster plans where available. Real-world speeds can vary by service tier, device, and network congestion.

• Xfinity by Comcast: up to 800 Mbps
• Cox: up to 400 Mbps
• Spectrum: up to 500 Mbps

Hardware and setup

Connects to any Wi-Fi router via the single Gigabit Ethernet port to power all wireless devices in your home. The modem emphasizes data efficiency with 32x8 channel bonding and modern DOCSIS technology, designed to support multi-device households without requiring a separate router built-in.

• 1 Gigabit Ethernet port to link a router or a single wired device
• Works with your existing router to extend wireless coverage across rooms
• Compact, quiet design that fits easily in a media cabinet or shelf

Real-world use and scenarios

In everyday use, the CM700 can help smooth out busy home networks. Expect improved reliability for streaming in high definition, quicker downloads, and steadier connections for video calls and online gaming when pairing with a capable router. This modem is designed to serve homes that want straightforward hardware and predictable performance, without tying you to any single provider or bundled service.

Important notes

Not compatible with Verizon, AT&T, CenturyLink, DSL providers, DirecTV, DISH, or bundled voice services. This device is intended for use in the United States. Check with your service provider for final compatibility with your plan and hardware setup.