NETGEAR CM600 Cable Modem Details & Review

Compatible With Cox, XFINITY, Spectrum & More

The NETGEAR CM600 cable modem is ideal for XFINITY Extreme Pro Internet customers. However, it is compatible with almost every cable provider. This cable modem is for speed tiers up to 600 Mbps, including Extreme. ​It is Cable Labs certified and with DOCSIS 3.0 is 24X faster than 2.0 devices.

At A Glance

  • DOCSIS 3.0
  • 24×8 Channel Bonding
  • For Tiers Up To 600 Mbps
  • Broadcom BCM3384 Chipset
  • No WiFi – Use Separate Router
  • Not For Voice Services
  • ISP Compatibility

  • Compatible with Comcast XFINITY, TWC, Charter Spectrum, Cox & more.
  • Fast web self-activation for XFINITY customers—Get connected without a service call –See Activating a new Comcast modem
  • 24 download & 8 upload channels. The more channels the better.
  • Ideal for streaming HD & 4k video & gaming on multiple devices at one time with at least 50 Mbps plans
  • Gigabit Ethernet port can be connected to a router or single PC or another device

NETGEAR CM600 ISP Compatibility List

The CM600 is compatible and approved by these cable internet operators.

Atlantic Broadband – ABB Modems

Comcast Business

Comcast XFINITY – XFINITY Modems

COX – Cox Modems

Grande Communications


Midcontinent Communications

Service Electric

Sparklight / Cable One

Spectrum (BHN, Charter, TWC)

Wave Broadband

WoW! – WideOpenWest

Zito Media

CM600 Reviews From Around The Web

Very Fast Cable Modem

The CM600 is an easy to setup and use. The Nighthawk app reates is as a very fast speed suitable for 4K streaming. All things being equal, it is a very good modem. – Mike Pluhar via