NETGEAR CM500 High-Speed Cable Modem (DOCSIS 3.0, 16x4)

The NETGEAR CM500 delivers fast, reliable cable Internet with DOCSIS 3.0 (16×4) channel bonding, up to ~680 Mbps download speeds†, and a Gigabit Ethernet port for your router or computer—without monthly rental fees.

Key Features

• DOCSIS 3.0 (16×4) — faster and more efficient than DOCSIS 2.0
• Up to 680 Mbps† downloads for HD/4K streaming and gaming
• Gigabit Ethernet LAN port with auto-sensing
• QoS and IPv6 support for modern networks
• Own your modem and avoid rental fees (often $10–$15/month)

Compatibility

Works with most U.S. cable ISPs, including:

• Comcast Xfinity
• Spectrum (Charter)
• Cox
• Others in select regions

Note: Not compatible with bundled voice/telephony (eMTA) services. Always confirm device eligibility and max speed for your specific plan and region with your ISP.

Technical Specifications

What’s Included

• NETGEAR CM500 Cable Modem
• Ethernet Cable
• Power Supply
• Online Installation Manual

Quick Start

1. Connect coax to the modem, attach power, then connect Ethernet to your router or computer.
2. Activate with your ISP via app/portal or support line.
3. If using a router, set WAN to DHCP/Auto and connect to the modem’s Gigabit port.

FAQ

Does the CM500 have Wi-Fi?
No. It’s a standalone cable modem. Pair with any Wi-Fi router or mesh system. You'll need a separate wireless router if you want WiFi. 

Will this work with my plan?
It supports many plans up to ~680 Mbps†. Check your exact tier with your ISP.

Does this support phone/voice service?
No. For telephony, choose a modem with eMTA support (e.g., CM500V).

† Stated speeds are theoretical maximums; actual speeds depend on your ISP plan, network conditions, and region.