NETGEAR Nighthawk CM3000 DOCSIS 3.1 Cable Modem
The NETGEAR Nighthawk CM3000 is a mid/high-split DOCSIS 3.1 cable modem engineered for users demanding the fastest cable internet speeds available. With download speeds up to 2.5Gbps and upload speeds up to 1Gbps, this 2.5Gbps Ethernet modem eliminates bottlenecks for video conferencing, large file transfers, and bandwidth-intensive applications. Compatible with major U.S. providers including Xfinity from Comcast, Spectrum, and Cox, the CM3000 maximizes multi-gig broadband performance for professionals, content creators, and power users who refuse to compromise on speed.
Key Features
- Download speeds up to 2.5Gbps with DOCSIS 3.1 technology
- Upload speeds up to 1Gbps for rapid file transfers and video conferencing
- 2.5Gbps Ethernet port for direct multi-gig connectivity
- Mid/high-split architecture optimized for modern cable networks
- Compatible with Xfinity, Spectrum, Cox, and other major U.S. cable providers
- Nighthawk performance branding for reliable, high-speed operation
- Compact design suitable for home offices and professional environments
Technical Specifications
| Specification |
Details |
| Manufacturer |
NETGEAR |
| Model |
CM3000-100NAS |
| Modem Type |
Mid/High-Split DOCSIS 3.1 |
| Download Speed |
Up to 2.5Gbps |
| Upload Speed |
Up to 1Gbps |
| Ethernet Port |
2.5Gbps |
| Supported Providers |
Xfinity, Spectrum, Cox, and other major U.S. cable providers |
| Network Standard |
DOCSIS 3.1 |
Frequently Asked Questions
What is a DOCSIS 3.1 cable modem and why does it matter?
DOCSIS 3.1 is the latest cable modem standard that delivers significantly faster speeds than older DOCSIS 3.0 modems. The CM3000 DOCSIS 3.1 modem supports multi-gig internet speeds, making it ideal for 4K streaming, online gaming, and professional video conferencing without lag or buffering.
Is the NETGEAR Nighthawk CM3000 compatible with my cable provider?
The CM3000 is compatible with major U.S. cable providers including Xfinity from Comcast, Spectrum, and Cox. Check with your provider's approved modem list to confirm compatibility before purchasing this 2.5Gbps cable modem.
What are the benefits of a 2.5Gbps Ethernet port?
A 2.5Gbps Ethernet port allows you to connect devices directly to the modem at multi-gig speeds, bypassing Wi-Fi limitations. This is perfect for gaming PCs, workstations, and network-attached storage that require maximum throughput and minimal latency.
How does the mid/high-split architecture improve performance?
Mid/high-split technology allocates more bandwidth to downstream (download) channels while maintaining robust upstream capacity. This mid/high-split DOCSIS 3.1 modem balances speed and reliability for both content consumption and professional uploads.
