See Innovation in Action

Watch as advanced features, intuitive design, and exceptional performance come together in real time.

Experience Innovation, Performance & Style in Every Detail.

Product Details


Unlock ultra-fast, next-generation cable internet speeds with the Netgear Nighthawk CM3000 2.5G DOCSIS 3.1 Cable Modem. Engineered for compatibility with all major U.S. cable providers, including Xfinity, Spectrum, and Cox, this high-speed modem leverages mid/high-split DOCSIS 3.1 technology to support the fastest multi-gigabit internet plans available. Enjoy blazing downloads up to 2.5 Gbps and rapid uploads up to 1 Gbps—perfect for lag-free gaming, crisp 4K streaming, and seamless video conferencing. Featuring a 2.5G Ethernet port and dual Gigabit Ethernet ports with link aggregation, the CM3000 is ready to power the connected home of tomorrow. Pair it with a top-tier WiFi 6E or WiFi 7 router for maximum performance and coverage.

Key Features:

  • DOCSIS 3.1 modem with advanced mid/high-split support
  • Up to 2.5 Gbps download and 1 Gbps upload speeds*
  • Compatible with Xfinity, Spectrum, Cox, and most major U.S. cable ISPs
  • 32x8 channel bonding and OFDM for robust performance
  • 1 x 2.5G Ethernet port for multi-Gig networking
  • 2 x Gigabit Ethernet ports with link aggregation
  • Supports 10/100/1000Base-T and 2.5GBase-T network standards
  • Ideal for streaming, gaming, smart homes, and business-class workloads
  • Compact, modern design for unobtrusive placement

Features:

  • Future-Proof Speed: DOCSIS 3.1 technology with mid/high-split support enables access to the latest multi-gig internet plans and future upgrades.
  • Ultimate Connectivity: Dedicated 2.5G Ethernet port delivers the fastest speeds for routers, mesh systems, and high-bandwidth devices.
  • Flexible Networking: Dual Gigabit Ethernet ports can be link aggregated for a robust wired backbone, or used individually for multiple devices.
  • Robust Channel Bonding: 32 downstream and 8 upstream channels, plus OFDM, ensure reliable, high-throughput connections at all times.
  • Universal ISP Compatibility: Certified to work with all major cable providers—no monthly rental fees.
  • Sleek, Modern Design: Discreet, compact form factor blends seamlessly into any office or home setup.
  • Easy Setup: Quick start guide and plug-and-play design for hassle-free installation.
  • Optimized for Streaming & Gaming: Perfect for 4K/8K streaming, VR, video calls, and high-speed file transfers.

Included In The Box:

  • Netgear Nighthawk CM3000 2.5G DOCSIS 3.1 Cable Modem
  • Ethernet Cable
  • Power Adapter
  • Quick Start Guide
  • Limited 1-Year Manufacturer Warranty

Technical Specifications:

Specification Details
Type DOCSIS 3.1 Cable Modem (mid/high-split support)
ISP Compatibility Xfinity, Spectrum, Cox, and most major U.S. providers
Channels 32x Downstream / 8x Upstream, 2x OFDM Downstream/Upstream
Max Download Speed Up to 2.5 Gbps*
Max Upload Speed Up to 1 Gbps*
Ethernet Ports 1 x 2.5G RJ45, 2 x 1G RJ45 (link aggregation supported)
WAN Input 1 x Coaxial (Cable)
Network Standards 10/100/1000Base-T, 2.5GBase-T
Color Black
Dimensions 8.2 x 6.8 x 3.9 in (208 x 172 x 98 mm)
Weight 1.1 lb (495 g)
Operating Requirements Requires separate WiFi router for wireless connections
Certifications DOCSIS 3.1
Warranty 1-Year Limited Manufacturer Warranty

*Actual speeds depend on your ISP, service tier, and network conditions.

Included in the Box