Netgear Nighthawk CM1100 Modem, Nighthawk Multi-Gig Speed Cable Modem

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NETGEAR Nighthawk CM1100 DOCSIS 3.1 Cable Modem

  • Works with Xfinity, Cox, and Spectrum
  • Meets DOCSIS 3.1 specs. and backward compatible with DOCSIS 3.0
  • 2 Gigabit Ethernet ports with link aggregation support
  • Support all cable internet speed tiers up to 2Gps (separate router required for WiFi)
  • This product is not compatible with cable bundled voice services

Nighthawk Multi-Gig Speed Cable Modem (CM1100)



Maximize your Gigabit internet service!

Maximize your Gigabit internet service!

Nighthawk Multi-Gig Speed Cable Modem by NETGEAR supports link aggregation to deliver true multi-gig internet speeds. It improves your Internet connections and provides smooth online streaming and gaming. Eliminate internet service provider equipment rental fees and save up to $156 a year. Backwards compatibility with previous DOCSIS standards and works right of the box with Internet cable services like XFINITY from Comcast, Cox and Spectrum.

The Nighthawk CM1100 Multi-Gig Cable Modem is built for Gigabit cable internet service plans available today and ready for future upgrades.


  • Multi-Gig Experience - Maximize your internet speeds available with link aggregation support. This multi-gig speed cable modem delivers up to 6Gbps download speeds for all your streaming and gaming needs.
  • DOCSIS 3.1 Ready - Up to 10X faster download speeds than the DOCSIS 3.0 standard. DOCSIS 3.1 is equipped with OFDM 2x2 + DOCSIS 3.0 32x8 channel bonding. Fully backwards compatible with previous DOCSIS standards.
  • Ready for Fastest Internet Speeds Available - Built to support all tier service plans available today and in the future. Ideal for Gigabit cable Internet plan.
  • Saves Money - Eliminate monthly cable modem rental fees and save up to $156 per year.
  • Gigabit Ethernet Ports - Two (2) Gigabit Ethernet ports with link aggregation support. Use with any wired devices for faster access and downloads.
  • Works with XFINITY from Comcast, Cox, and Spectrum - Ready out of the box.
  • Easy Installation - Trouble-free cable modem activation via web or a quick service call.  
  • Energy Efficient - Reduce cable modem power usage.
  • IPv6Compatible
Pair with a Multi-Gig compatible router for fast WiFi speeds.

Pair with a Multi-Gig compatible router for fast WiFi speeds.

The dual WAN ports on the CM1100 will allow you to improve the stability and reliability of your Internet connection to a compatible wireless router. This means that you will reach faster internet speeds over WiFi than you have ever before.
Take Internet Speeds to a whole new level

Take Internet Speeds to a whole new level

Indulge in the ultimate download and upload speeds with top speeds of up to 10,000Mbps (that's 10Gbps fast).
Gaming, streaming or using multiple WiFi devices?

Gaming, streaming or using multiple WiFi devices?

When paired with a compatible multi-gigabit router, you can get the best experience for your high speed gaming and heavy data-using applications.
DOCSIS 3.1 modems are fully backward-compatible

DOCSIS 3.1 modems are fully backward-compatible

Upgrading to a DOCSIS 3.1 modem means you'll still enjoy your current Internet service and be ready for the Gigabit service speeds available in your service area.
More speed to more devices

More speed to more devices

Gigabit Internet speeds cominbed with fast WiFi available means all of your devices will surf, stream, & game at lightning fast speed.

Technical Specifications


Package Contents
• Nighthawk Multi-Gig Speed Cable Modem—DOCSIS 3.1 (CM1100)
• Ethernet cable
• Quick install guide
• Power adapter


Physical Specifications
• Dimensions: 8.8 x 3.4 x 5.9 in (224 x 86 x 150 mm)
• Weight: 1.00 lb (460g) Standards
• Two (2) Gigabit Ethernet ports
• One (1) WAN coaxial cable connection


Technical Specifications
• Simple—CD-less installation
• 32 downstream & 8 upstream channels
• 2x2 OFDM
• Memory: 128 MB NAND flash 256 MB RAM
• DOCSIS Quality of Service (QoS)


Advanced Features
• Gigabit Ethernet ports support link aggregation for true Multi-Gig speed
• Backward compatible 32x8 channel bonding in DOCSIS® 3.0 mode
• Supports IPv6 - Internet standard
• Gigabit Ethernet ports for faster access and downloads


System Requirements
• Cable Broadband Internet service
• Please check your Cable Internet Service Provider web site for data speed tier compatibility and to ensure it provides DOCSIS 3.1 service, otherwise this modem will only work as a DOCSIS 3.0 modem
• Not compatible with Cable bundled voice services


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