NETGEAR Nighthawk CM3000 - DOCSIS 3.1 Mid/High-Split Cable Modem, Up to 2.5Gbps (Certified Refurbished)

Upgrade your home network with DOCSIS 3.1 speed and versatile connectivity

Experience faster, reliable internet with the NETGEAR Nighthawk CM3000. Built to handle modern cable plans, this modem uses DOCSIS 3.1 mid/high-split channels to unlock the potential of high-speed services. Whether you stream, game, or video conference, you can expect smoother performance thanks to advanced channel bonding and efficient data handling.

Key speeds and connections let you tailor your setup. The CM3000 supports download speeds up to 2.5 Gbps and uploads up to 1 Gbps, delivering a responsive home network that can better handle multiple devices at once.

What makes it stand out

• 32 downstream and 8 upstream SC-QAM channels enable robust data transfer.
• 2 OFDM Downstream channels and 2 OFDMA Upstream channels improve efficiency for busy networks.
• One 2.5Gbps LAN port plus two 1Gbps ports with link aggregation offer flexible wired options.
• Single WAN coax connection with IPv6 support to align with modern addressing.

Design and setup are focused on practicality. The unit ships as certified refurbished, offering a balance of performance and value after thorough testing. It’s a solid foundation when paired with a NETGEAR WiFi 6E or WiFi 7 router or Orbi system to extend coverage and speed throughout the home.

Everyday use cases

• Lag-free gaming and quicker game updates as your devices share a stable connection.
• Crisp video conferences with fewer glitches during busy work-from-home days.
• Smoother streaming across multiple rooms and devices without buffering pauses.
• Faster app launches and downloads as your home network handles bursts of activity.

Note: Benefits depend on your service plan, device capability, and home network layout. Upgrading to a higher-tier service or pairing with a capable router can unlock more potential, though results vary by provider and environment.