Motorola MB8611 Cable Modem

The Motorola MB8611 cable modem specifications follow below. Note: may receive a small commission from affiliate links, which helps to keep this website online.



  • Download speed up to 2.5 Gbps
  • DOCSIS 3.1 cable modem
  • Backward compatible with DOCSIS 3.0 networks
  • Supports IPv4 and IPv6
  • WiFi router: No
  • VoIP telephone adapter: No

Motorola MB8611 Cable Modem Images

Motorola MB8611 Cable Modem Package
Motorola MB8611 Package
Motorola MB8611 Cable Modem Front View
Motorola MB8611 Front View
Motorola MB8611 Cable Modem Back View
Motorola MB8611 Back View

Notable Motorola MB8611 Cable Modem Specs

Type: Cable
DOCSIS: 3.1, backward compatible with DOCSIS 3.0
Color: Black
IPv6 Support: Yes
WiFi Router: No
VoIP Telephone Adapter: No

Network Interface
Interface: One 10/100/1000/2500 Ethernet LAN Port

Device Power
Power Consumption: 18 Watts

Min Operating Temperature: 32 °F (0 °C)
Max Operating Temperature: 104 °F (40 °C)

Physical Specifications
Height: 7.875 in (200 mm)
Width: 2.25 in (57 mm)
Depth: 7.25 in (184 mm)
Weight: 1.15 lb (0.52 kg)

Maximum Theoretical Data Rate: 6.0 Gbps*
Bonded Channels: 32 SCQAM (DOCSIS 3.0) or 2 OFDM (DOCSIS 3.1)

Maximum Theoretical Data Rate: 800 Mbps*
Bonded Channels: 8 SCQAM (DOCSIS 3.0) or 2 OFDMA (DOCSIS 3.1)

*Various factors affect actual data throughput, such as the total number of users on the network, services offered by the internet provider, type of server, computer equipment, and other factors.

Motorola Resources

MB8611 Data Sheet

MB8611 Quick Start Guide

Motorola Phone Support: 1-800-753-0797

Motorola Email

Motorola Support

Motorola Facebook

Motorola Twitter

Additional Cable Modem Specification Pages

ARRIS SURFboard SB6141 Cable Modem

ARRIS SURFboard SB6183 Cable Modem

ARRIS SURFboard SB6190 Cable Modem

ARRIS SURFboard SB8200 Cable Modem

ARRIS SURFboard SBG6580 WiFi Cable Modem

ARRIS SURFboard SVG2482AC Voice WiFi Cable Modem

Linksys DPC3008 Cable Modem

Motorola MB8600 Cable Modem

NETGEAR CM400 Cable Modem

NETGEAR CM500 Cable Modem

NETGEAR CM700 Cable Modem

NETGEAR Nighthawk C7000 WiFi Cable Modem

NETGEAR Nighthawk C7100V Voice WiFi Cable Modem

NETGEAR CAX80 WiFi 6 Cable Modem