Motorola MB8611 vs Netgear CM2000: Which Modem is Right for You?

The Motorola MB8611 and Netgear CM2000 are both high-performance DOCSIS 3.1 cable modems capable of multi-gigabit internet speeds. The MB8611 edges out the CM2000 when it comes to advanced features with a lower price tag. However, the CM2000 is still an excellent modem with fast speeds and wider compatibility at a reasonable price point.

Quick Verdict

Motorola MB8611⭐⭐⭐⭐⭐🏆 Lower price point
with Advanced Features
Netgear CM2000⭐⭐⭐⭐1/2🏆 Reliable and
Wider compatibility

The Motorola MB8611 is the winner if you want best-in-class performance with advanced QoS and a longer warranty at a cheaper price point. The Netgear CM2000 still delivers fast fiber-like speeds for those needing reliability and wide compatibility across cable providers.

Motorola MB8611 Pros and Cons


  • Faster multi-gig speeds up to 2.5 Gbps
  • 1 x 2.5 Gbps ethernet port
  • Low latency with Active Queue Management
  • Saves up to $168 per year in rental fees


  • More expensive upfront cost
  • No built-in router

Netgear CM2000 Pros and Cons


  • Supports internet speeds up to 2.5 Gbps
  • Affordable price
  • 1 x 2.5 Gigabit Ethernet port
  • No monthly rental fees


  • Slower maximum speeds than MB8611
  • No advanced queue management

Motorola MB8611 vs Netgear CM2000: Detailed Features Comparison

FeatureMotorola MB8611Netgear CM2000Winner
Max Download Speed2.5 Gbps2.5 GbpsTie
Max Upload Speed800 MbpsN/A🏆Motorola MB8611
Ports1 x 2.5 Gbps Ethernet1 x 2.5 Gbps EthernetTie
DOCSIS Version3.1 + 3.0 32×83.1 + 3.0 32×8Tie
Cable Provider CompatibilityXfinity, Cox, Spectrum, Mediacom, WOW Internet,
, Astound, Midco and Breezeline
Xfinity, Cox, Spectrum, Mediacom, WOW Internet,
, Astound, Midco, and Breezeline
🏆Netgear CM2000
Advanced Queue ManagementYesNo🏆Motorola MB8611
2 Year WarrantyYesNo🏆Motorola MB8611
Telephone PortsNoNoTie
Built-in Wi-Fi RouterNoNoTie
Price220$ Approx280$ Approx🏆Motorola MB8611

Winner: The Motorola MB8611 wins on max upload speeds, is less pricy, has advanced QoS, and has a 2-year warranty period. But the Netgear CM2000 supports more cable providers out of the box. Overall, they have very similar capabilities.

The Key Differences Between the Motorola MB8611 and Netgear CM2000

  • The MB8611 has faster maximum upload speeds up to 800 Mbps vs undisclosed for the CM2000
  • Motorola includes advanced Active Queue Management (AQM) but Netgear does not
  • Motorola provides a 2 year warranty compared to 1 year for Netgear
  • Netgear CM2000 is compatible with Xfinity, Spectrum, and Cox while Motorola officially supports Xfinity and Cox only

Similarities Between the Motorola MB8611 and Netgear CM2000

  • Both support multi-gig internet speeds up to 2.5 Gbps down
  • Each has 1 x 2.5 Gigabit Ethernet port
  • DOCSIS 3.1 modems with 32×8 channel bonding
  • No built-in Wi-Fi router or voice ports
  • Easy to set up and use with any router
  • Eliminate monthly modem rental fees

Amazon Customer Reviews Comparison

The MB8611 and CM2000 both average around 4.4 out of 5 stars from thousands of customer reviews.

Common positives mentioned for both models include fast speeds, easy installation, and compatibility with gigabit cable internet plans.

Few issues are reported with either modem. Some CM2000 owners note the status lights seem overly bright.

A small percentage of customers for each modem ran into activation or connectivity challenges, unexpected reboots, and inconsistencies dealing with ISP. A small percentage of 1-star reviews report receiving defective units.

The MB8611 draws more enthusiasm for its blazing multi-gig performance and leading technology. The CM2000 earns praise as a highly compatible modem that delivers speedy service.

Who Should Buy the Motorola MB8611?

The MB8611 is ideal if you want bleeding edge technology with the fastest possible speeds today. It best suits Xfinity or Cox customers subscribing to pricey multi-gigabit plans. Paying more upfront gets you advanced traffic management features plus a longer warranty.

Who Should Buy the Netgear CM2000?

The CM2000 hits the sweet spot on price while supporting 2.5 Gbps internet plans. It’s a great fit if you want fast fiber-like speeds on a budget. CM2000 owners on Xfinity, Spectrum, and Cox are very satisfied with real-world performance.


For cable internet users ready to upgrade, choosing between the Motorola MB8611 and Netgear CM2000 often comes down to price versus performance. The MB8611 costs less while providing smarter queue management and faster peak uploads.

But the CM2000 supports more providers while still hitting 2.5 Gbps download speeds at an affordable rate. We outline all the key differences to help determine the best value DOCSIS 3.1 modem for your home network.

Frequently Asked Questions

Do these modems have a built-in router?

No, both the MB8611 and CM2000 are cable modems without Wi-Fi. You need to add your own router.

What internet speeds are they compatible with?

Both support multi-gig download speeds up 2.5 Gbps and typical gigabit cable plans up to 1 Gbps.

Do they work with Comcast Xfinity or Cox?

Yes, the MB8611 and CM2000 are certified to work with Comcast Xfinity and Cox cable services.

How hard is it to set up the modems?

They are both plug-and-play to set up. Just connect the coax cable, ethernet, and power. Then activate through your provider.

Which modem has more ports?

The MB8611 and CM2000 each provide one 2.5 Gigabit Ethernet port to connect your router or computer.

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