Motorola MB8600 DOCSIS 3.1 Cable Modem White 1 Gbps Ethernet Port for Xfinity and Spectrum
Motorola MB8600 DOCSIS 3.1 Ultra-High Speed Cable Modem | Approved for Xfinity by Comcast, Spectrum, Cox | Supports Cable Plans up to 1000 Mbps
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Motorola MB8600 DOCSIS 3.1 Ultra-High Speed Cable Modem | Approved for Xfinity by Comcast, Spectrum, Cox | Supports Cable Plans up to 1000 Mbps

|109 ratings

Key item features

  • Ultra-Fast Performance: Features DOCSIS 3.1 with fallback to 32x8 DOCSIS 3.0, supporting downstream speeds up to 3.8 Gbps and upstream speeds up to 1 Gbps, ideal for high-speed internet plans.
  • Latency Reduction: Active Queue Management (AQM) significantly reduces internet latency, enhancing interactive applications like online gaming and video conferencing, and speeding up web page loads.
  • Broad Compatibility: Approved for Xfinity by Comcast, Spectrum, and Cox, and compatible with DOCSIS 3.1, 3.0, 2.0, and 1.1 services, working with any router, Windows/Mac computer, HDTV, or game station.
  • Advanced Connectivity: Includes one open and three masked 10/100/1000 Gigabit Ethernet LAN ports, allowing connection to a router that can bond ports for speeds over 1 Gbps.
  • Robust Design: Equipped with multi-processor technology, a full-band capture digital tuner, and ruggedized lightning and power surge circuits for enhanced speed, energy saving, and investment protection.
  • Compact Dimensions: Space-saving unit measuring 7 7/8 inches tall x 2 1/4 inches wide x 7 1/4 inches deep, designed to minimize shelf space and improve cooling for reliable performance.
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Specs

Modem type, Cable ModemCompatible service provider, Comcast XFINITY and Cox CommunicationsMaximum download speed, 3891.2 MbpsDocsis version, 3.1Maximum upload speed, 1 GbpsTransfer rate, 1 Gbps

About this item

Product details

Motorola MB8600 Cable Modem supports up to 900 Mbps on Xfinity from Comcast. Top Internet Speeds for all Multi-gigabit Speed Tiers - Wirecutter recommends this model as the best cable modem for people using Gigabit Internet plans. Built-in DOCSIS 3.1 and DOCSIS 3.0 32x8 capabilities give top Internet speeds for all cable Internet services. Save Money - Eliminate up to 168 dollars per year in cable modem rental fees (Savings are shown for Comcast Xfinity and vary by cable service provider.) Approved by Comcast Xfinity and Xfinity X1, Cox, and CableOne for all speeds including Comcast Gigabit services and Cox Gigablast. Not compatible with RCN. No cable modem is compatible with fiber optic, DSL, or satellite services, available from Verizon, AT&T, CenturyLink, Frontier, and others.). Flexible Compatibility - Pair with any Wi-Fi router you’d like, including Whole Home Wi-Fi or Mesh routers like eero, Google Wi-Fi, and Orbi. A 10/100/1000 Gigabit Ethernet port allows connection of any SINGLE device with an Ethernet port including a router, Windows or Mac computer, HDTV, or game station. This cable modem does not have a built-in wireless router or telephone call capability. Proactive Network Security - A broadcom chipset provides advanced security from denial-of service attacks. Active Queue Management (AQM) - AQM significantly reduces Internet latency on both DOCSIS 3.1 and 3.0 services, resulting in faster page loads for all Web traffic and enhanced interactive applications like online gaming and video conferencing. The MB8600 also includes a full-band capture digital tuner to enhance speed and save energy. 

 

Cable Modem

  • New MB8600 Super Fast DOCSIS 3.1 with fallback to 32x8 DOCSIS 3.0
  • Downstream speeds up to 3.8 Gbps when supported by your cable service speed and a router that can bond Ethernet ports
  • Up to 1 Gbps upstream speeds
  • Active Queue Management (AQM) significantly reduces Internet latency. AQM results in faster page loads for all Web traffic and greatly enhances interactive applications like online gaming and video conferencing.
  • IPv6 next-generation Internet addressing support
  • One open and 3 masked 10/100/1000 Gigabit Ethernet (GigE) LAN ports allow connection of any Single device with an Ethernet port including a router, Windows/Mac computer, HDTV, game station. The multiple Ethernet ports are not for connecting multiple devices; they allow connection to a router that can bond more than one Ethernet port to achieve speeds over 1Gbps when supported by your cable service.
  • Great for Netflix®, YouTube®, and other video streaming, high-speed gaming, Facebook®, web browsing, emails, and more.
  • Works with DOCSIS 3.1, 3.0, 2.0, and 1.1 service
  • Future proof, including DOCSIS 3.1, DOCSIS 3.0, 4 Ethernet ports, port bonding, and more
  • Multi-Processor Technology with ARM-based Application Processor
  • Supports cable modem services, downloading 46 times faster than DOCSIS 2.0.
  • Full-band Capture digital tuner enhances speed and saves energy
  • Works with any router, Windows or Mac computer, HDTV, or game station that has an Ethernet port
  • Fast, easy setup using Quick Start
  • 5 status-reporting LEDs on the front panel and 2 LEDs for each Ethernet port on the back panel.
  • Ruggedized lightning and power surge circuits protect your investment.
  • A space-saving unit minimizes shelf space and improves cooling for reliable performance.
  • Product dimensions: 7 7/8” tall x 2 1/4” wide x 7 1/4” deep (200 mm x 57 mm x 184 mm
info:
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Specifications

Modem type

Cable Modem

Compatible service provider

Comcast XFINITY and Cox Communications

Maximum download speed

3891.2 Mbps

Docsis version

3.1

Warranty

Warranty information

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Customer ratings & reviews

4.4 out of 5 stars
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109 ratings69 reviews
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Showing 1-3 of 69 reviews

Aug 17, 2025
Reviewer name: SHANNON
Walmart Associate
Item details
Condition: New
Sold and shipped bySoutheast Wholesale
5 out of 5 stars
5 out of 5 stars review

Verified Purchase

Excellent product

This product is very good. It's easy to set up and work.

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Helpful?5ZNTOB6EAOO3598030579
Jul 23, 2025
Reviewer name: Romeo
Item details
Condition: New
Sold and shipped byBiocloud
5 out of 5 stars
5 out of 5 stars review

Verified Purchase

Good modem

Easy to install, works well with my ISP. Easy to connect to a router and arrived quickly

Incentivized Review
Helpful?5ZNTOB6EAOO3598030579
Jun 1, 2025
Reviewer name: Raja
Item details
Condition: New
Sold and shipped byBiocloud
5 out of 5 stars
5 out of 5 stars review

Verified Purchase

I replaced my old one with Motorola MB8600 . it is nice product and working as expected.

Incentivized Review
Helpful?5ZNTOB6EAOO3598030579
Current price is $249.99
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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