Motorola MB8611 DOCSIS 3.1 Multi-Gig Cable Modem Black 2.5 Gbps Port for Xfinity Cox Spectrum
Motorola MB8611 DOCSIS 3.1 Multi-Gig Cable Modem | Pairs with Any WiFi Router | Approved for Comcast Xfinity, Cox Gigablast, Spectrum | 2.5 Gbps Port | 2500 Mbps Max Internet Speeds
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Motorola

Motorola MB8611 DOCSIS 3.1 Multi-Gig Cable Modem | Pairs with Any WiFi Router | Approved for Comcast Xfinity, Cox Gigablast, Spectrum | 2.5 Gbps Port | 2500 Mbps Max Internet Speeds

|72 ratings

Key item features

  • Gigabit Performance: Delivers true Gigabit-plus speeds with DOCSIS 3.1, supporting fast internet plans from Comcast Xfinity, Cox, and Spectrum, and is backward compatible with 32x8 DOCSIS 3.0.
  • Router Compatibility: Seamlessly pairs with any WiFi router, including mesh or gaming routers, to provide shared internet access for all WiFi and Ethernet-capable devices.
  • Multi-Gigabit Port: Features a 2.5 GB Ethernet port, enabling high-speed connectivity with downstream speeds approaching 2,500 Mbps and upstream speeds up to 800 Mbps.
  • Optimized Performance: Utilizes Active Queue Management (AQM) to reduce internet latency, enhancing performance for online gaming, conferencing, and streaming.
  • Cost Savings: Owning this modem can result in significant annual savings by eliminating monthly rental charges from internet service providers.
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Specs

Transfer rate, 2.5 GbpsDocsis version, 3.1Maximum download speed, 2500 MbpsMaximum upload speed, 800 MbpsConnection, EthernetCompatible service provider, Comcast Xfinity, Cox Gigablast, Spectrum, RCN

About this item

Product details

Ultra-fast DOCSIS 3.1 performance - Delivers true Gigabit-plus speeds. Supports fast internet plans with Comcast Xfinity, Cox, and Spectrum. Backward compatible with 32x8 DOCSIS 3.0. Connects to Any Router Pair with any WiFi router, including mesh or gaming routers, for shared Internet access by all your WiFi and Ethernet-capable devices.
  • Ultra-fast DOCSIS 3.1 performance - Delivers true Gigabit-plus speeds. Supports fast internet plans with Comcast Xfinity, Cox, and Spectrum. Backward compatible with 32x8 DOCSIS 3.0.
  • Pairs with any WiFi router - Seamlessly compatible with any WiFi router to connect all your devices. This cable modem does NOT have a built-in wireless router or telephone call capability.
  • Multi-gigabit Ethernet speed - A 2.5 GB Ethernet port delivers true high-speed connectivity to even the fastest routers and computers, providing downstream speeds just below 2,500 Mbps and upstream speeds up to 800 Mbps when supported by your internet service plan.
  • Fast streaming, conferencing, gaming - Applies Active Queue Management (AQM) for reduced Internet latency and better app performance, including online gaming, conferencing, and streaming.
  • Extreme cost savings - Owning your own modem typically saves the home $168 per year in monthly rental charges. (Savings described is for Comcast Xfinity and vary by service provider.)
  • Built for reliability - Motorola is a worldwide leader in technology people depend on. Comes with a 2-year warranty and free support from our team of USA technicians.
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Specifications

Transfer rate

2.5 Gbps

Docsis version

3.1

Maximum download speed

2500 Mbps

Maximum upload speed

800 Mbps

Warranty

Warranty information

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Customer ratings & reviews

4 out of 5 stars
stars
72 ratings61 reviews
Includes global ratings and reviews
How item rating is calculated
  1. 5 stars69% (50)
  2. 4 stars6% (4)
  3. 3 stars1% (1)
  4. 2 stars0% (0)
  5. 1 star24% (17)
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Showing 1-3 of 61 reviews

Apr 4, 2025
Reviewer name: Benny
Item details
Size: New
Sold byWarehouse Goods & MoreDelivered byWalmart
5 out of 5 stars
5 out of 5 stars review

Verified Purchase

Perfect for Xfinity Users

I recently purchased the Motorola MB8611 DOCSIS 3.1 Multi-Gig Cable Modem through Walmart as part of my move to New Jersey, and I couldn't be more pleased with the entire experience. Walmart remains one of the most reputable and reliable retailers I've shopped with—smooth transaction, fast shipping, and everything arrived in perfect condition. I had done extensive research ahead of time and found that this Motorola modem consistently ranked among the top recommendations for compatibility with Xfinity service. I opted to use my own equipment rather than rent devices from my internet provider, and the setup process could not have been easier. Once my Xfinity service was active, I connected the modem with my own coaxial cable and paired it with a separate router. The modem powered up quickly, and the LED indicators were clear, easy to read, and user-friendly. Motorola continues to uphold its reputation for quality, and I'm confident this modem will serve me well for years to come. Highly recommended!

Helpful?2J5NVWDUYFZ3528073648
reply from Motorola Customer Care

Thank you so much for sharing your experience, Benny. We're proud to provide reliable and high-quality products that help make your home internet experience better. It's also fantastic to know that Walmart provided such a smooth and efficient purchase experience. We really appreciate your recommendation, and we're confident you'll continue to enjoy top-notch performance for years to come. If you ever need any support or have questions in the future, don't hesitate to reach out. -Mitch

Sep 12, 2024
Reviewer name: Alex
Item details
Size: New
Sold and shipped byWisetek Market
5 out of 5 stars
5 out of 5 stars review

Verified Purchase

Fast and reliable connection,

Fast and reliable connection, work perfect with xfiniy 1GB plan

Helpful?2J5NVWDUYFZ3528073648
reply from Motorola Customer Care

Hi Alex, We’re thrilled to hear that you’re enjoying a fast and reliable connection with your phone. If you have any other questions or need further assistance, feel free to reach out. We’re here to help! -Mitch

Dec 4, 2024
Reviewer name: Jerald
Item details
Size: New
Sold and shipped byWisetek Market
5 out of 5 stars
5 out of 5 stars review

Verified Purchase

very good

Works very well

Helpful?2J5NVWDUYFZ3528073648
reply from Motorola Customer Care

Thank you for your positive feedback, Jerald. We’re so happy to hear that your phone is working well for you. If you ever have any questions or need assistance, don’t hesitate to reach out—we’re here to help! -Mitch

Current price is $399.00
Price when purchased online
  • Free shipping
  • Free Holiday returns until Jan 31
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Sold and shipped by Biocloud
3.7906976744186047 out of 5 stars
3.8 stars out of 5, based on 43 seller reviews(3.8)
Extended holiday returns
Free Holiday returns until Jan 31