NETGEAR CM1000 Ultra-High Speed Cable Modem DOCSIS 3.1



  • DOCSIS 3.1 is 10X faster than DOCSIS 3.0 great for streaming HD videos, faster downloads, and high-speed online gaming
  • Industry’s first CableLabs DOCSIS 3.1 cable modem Certified for XFINITY by Comcast. Fast self-activation for XFINITY customers – Get connected without a service call
  • Compatible with DOCSIS 3.0 Supports 32 downstream and 8 upstream channels
  • Modem needs a router. NOTE: Connect the CM1000 High Speed Cable Modem directly to your computer or wireless router for connecting to other wireless devices

Package Contents

  • Ultra-High Speed Cable Modem-DOCSIS 3.1 (CM1000)
  • Ethernet cable
  • Quick start guide
  • Power adapter

DOCSIS 3.1 Ready.

The NETGEAR CM1000 Ultra-High Speed Cable Modem provides a connection to high-speed cable Internet with speeds up to 1 Gbps. It is the industry’s first DOCSIS 3.1 CableLabs Certified cable modem, 10X faster than DOCSIS 3.0. Working with DOCSIS 3.0 and DOCSIS 3.1 cable Internet service providers, it is the ultra-high speed cable modem ready for today’s service plans & future upgrades. Save money over time by owning your cable equipment and avoiding monthly rental charges from your Internet provider.

XFINITY Gigabit/Blast/Extreme Internet plans.

  • Call your ISP for additional compatibility information.
  • Not compatible with Cable bundled voice services.
  • Not cerified for Charter or TWC.
  • Backward compatible to DOCSIS 3.0.

Fastest Cable Internet Access

Up to 1 Gbps download for streaming HD videos, faster downloads, and highspeed online gaming. 32 downstream & 8 upstream SC-QAM channels. Fast web self-activation for XFINITY customers-Get connected without a service call. Gigabit Ethernet port-Fastest wired speeds to connect your router or computer.


Upgrading to a DOCSIS 3.1 modem means you’ll still enjoy your current Internet service and be ready for the fastest speeds available in your service area.

Technical Specifications

Number of Ethernet Ports

  • One (1) Gigabit Ethernet port with auto-sensing technology

Key Features

  • Fast download and upload speed enables up to 1 Gbps download speeds
  • 2 OFDM downstream & 2 OFDM upstream channels for DOCSIS 3.1 connection
  • 32 downstream and 8 upstream channels for DOCSIS 3.0 connection
  • Meets DOCSIS 3.1 specifications and is backward compatible with DOCSIS 3.0 networks
  • Works with XFINITY from Comcast (not compatible with Cable bundled voice services)
  • Gigabit Ethernet port with auto-sensing technology
  • Simple-CD-less installation
  • Memory: 128 MB NAND flash and 256 MB RAM
  • DOCSIS Quality of Service (QoS)
  • IPv6 support (Internet Protocol Version 6)

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
  • Microsoft Windows 7, 8, 10, Vista, XP, 2000, Mac OS, or other operating systems running a TCP/IP network
  • Microsoft Internet Explorer 5.0, Firefox 2.0, Safari 1.4, or Google Chrome 11.0 browsers or higher
  • Not compatible with Cable bundled voice services

Physical Specifications

  • Dimensions: 8.8 x 5.4 x 5.9 in (222.7 x 135.9 x 149 mm)
  • Weight: 0.84 lb (380 g)


  • One (1) LAN Gigabit Ethernet port
  • One (1) WAN coaxial cable connection


Click Here to Shop in Amazon!


Leave a Comment

Your email address will not be published.