DOCSIS 3.0

High Speed Cable Modem

Zooming Fast High-Speed Cable Internet Access

With speeds up to 680Mbps and 16x faster than 2.0 devices, this High-Speed Cable Modem gives you speed to spare whether you are streaming or gaming. Plus there are no monthly rental fees. CableLabs DOCSIS 3.0 certified to work with Cable Internet Provides like Comcast XFINITY®, Time Warner Cable®, Cox, Charter, Cablevision & more.

Model: CM500
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The NETGEAR CM500 High Speed Cable Modem provides a connection to high-speed cable Internet with speeds up to 680Mbps. It is CableLabs® certified and with DOCSIS® 3.0 is 16X faster than 2.0. A Gigabit Ethernet port provides faster access and downloads.

  • Up to 680 Mbps download and upload 4k streaming speed for streaming HD videos, faster downloads, and high-speed online gaming
  • Ideal for XFINITY Internet Blast and Extreme Customers & Time Warner Maxx customers (up to Ultimate 300 plans)
  • Fast self-activation Comcast for XFINITY customers—Get connected without a service call
  • CableLabs® DOCSIS® 3.0 certified to work with U.S. cable Internet providers like XFINITY®, Time Warner Cable®, Cox, Charter, Cablevision & more (not compatible with Cable bundled voice services)
  • 16 down stream and 4 up stream channels for efficient and reliable cable network performance
  • Save money over time by owning your cable equipment and avoiding monthly rental charges from your Internet provider—up to $120 per year*
  • Gigabit Ethernet port—Fastest wired speeds to connect your router or computer
Product Number
CM500
Product Thumbnail
WiFi Performance
  • Not Applicable
Product Diagram
Number of Ethernet Ports
  • One (1) Gigabit Ethernet port with auto-sensing technology
Key Features
  • Designed to meet DOCSIS 3.0 specifications and backward compatible with DOCSIS 2.0 networks
  • Fast download and upload speed - (16 x 4) 680Mbps† download & 132Mbps† upload
  • CableLabs® DOCSIS® 3.0 certified to work with U.S. cable Internet providers like XFINITY®, Time Warner Cable®, Cox, Charter, Cablevision & more (not compatible with Cable bundled voice services)
  • Ideal for XFINITY Internet Blast and Extreme Customers & Time Warner Maxx customers (up to Ultimate 300 plans)
  • IPv6 next generation Internet addressing support
  • Gigabit Ethernet port with auto-sensing technology
  • Simple—CD-less installation
  • Memory: 8 MB NOR flash and 128 MB RAM
  • Advanced 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
  • Microsoft® Windows® 7, 8, 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
Physical Specifications
  • Dimensions: 2.36 x 4.88 x 7.28 in (60 x 124 x 185 mm)
  • Weight: 0.62 lb (0.28 kg)
Package Contents
  • High Speed Cable Modem—DOCSIS 3.0 (CM500)
  • Ethernet cable
  • Power adapter
  • Quick install guide

† Maximum rate is derived from DOCSIS® 3.0 specifications and actual throughput will vary depending on the MSO provisioning and speed tier subscription. Check your cable Internet service provider web site for data speed tier compatibility.

*Based on a typical monthly equipment rental fee of $10 per month.

NETGEAR makes no express or implied representations or warranties about this product’s compatibility with any future standards.

Customer-owned modems may not be compatible with certain cable networks. Please check with your cable provider to confirm this NETGEAR modem is allowed on your cable network. This product not compatible with Cable bundled voice services.

NETGEAR Warranty

  • This product is backed by a NETGEAR limited 1-year Hardware Warranty.
  • 24/7 basic technical support provided for 90 days from purchase date, when purchased from a NETGEAR authorized reseller

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Lose The Lease.

Is your cable ISP charging you every month just to use their modem? Reduce your bill and bring-your-own-modem. The CM500 is compatible with most major cable service providers.

Save Shelf Space.

The narrow profile of the CM500 lets you tuck it away behind other components and keeps your valuable shelf space open.

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