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by Cisco
Product Line: Cisco N55-M4Q
Product Type: Switches
Original price $0.00 - Original price $1,192.00
Original price
$0.00 - $1,192.00
Current price $1,192.00
Title: Used

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Product Description

The N55-M4Q offers 4 QSFP ports for high-speed 10 GigE connectivity, compatible with Cisco NX-OS Software Release 6.0(2)N1(2) and later, designed for seamless integration with Nexus 5500 Series Switches. It features a plug-in form factor with support for one expansion slot, ensuring easy installation and scalability. This module is built for reliability, supporting hot swap, field replacement, and operates efficiently within a wide range of environmental conditions, from 5 to 95% humidity, at altitudes up to 10,000 ft, and temperatures from 32 to 104°F (operating) to -40 to 158°F (non-operating).

Key Feature for the N55-M4Q

  • What is the number of ports available on this module?
    The module has 4 ports.
  • Can the module with part number QSFP support hot swapping?
    Yes, it supports hot swapping.
  • What type of cabling is required for this module?
    Ethernet 10GBase-T cabling is required.
  • Is the QSFP module field replaceable?
    Yes, it is field replaceable.
  • What software version is necessary for the module to operate correctly?
    Cisco NX-OS Software Release 6.0(2)N1(2) and later versions are compatible.
  • What are the humidity and altitude specifications for the QSFP part?
    Humidity: 5 to 95% noncondensing. Altitude: 0 to 10,000 ft (0 to 3000m).
  • What data link protocol does the module support?
    The module supports the 10 GigE data link protocol.
  • For which series of switches is the QSFP module designed?
    It is designed for use with Nexus 5500 Series Switches.
  • What are the operating and nonoperating temperature ranges for the module?
    Operating temperature is 32 to 104°F (0 to 40°C), and nonoperating (storage) temperature is -40 to 158°F (-40 to 70°C).
  • What form factor does the QSFP module have?
    It has a plug-in form factor compatible with 1 expansion slot.

Product Review

The Cisco N55-M4Q offers four QSFP ports, catering to high-density, 10 Gigabit Ethernet networks and is specifically designed for compatibility with the Nexus 5500 series switches, ensuring seamless integration. With support for Cisco NX-OS Software Release 6.0(2)N1(2) and later, it provides flexibility in operating environments, but this could limit its use with older system versions. It features hot-swap capability and is field-replaceable, enhancing system uptime and maintenance efficiency, although its performance is constrained to a 0 to 40°C operating temperature range, potentially limiting its deployment in environments with extreme temperatures.


The Cisco N55-M4Q module is a critical component designed to enhance the capabilities of network infrastructures, specifically tailored for use with the Nexus 5500 Series Switches. This module is engineered to provide high-density, high-speed connectivity options to support the demanding requirements of modern data centers and enterprise networks. It features four QSFP (Quad Small Form-factor Pluggable) ports, which are instrumental in facilitating Ethernet connections at a rate of 10 Gigabits per second (10GBase-T), ensuring efficient and rapid data transfer across the network. One of the key attributes of the Cisco N55-M4Q is its compatibility with the Cisco NX-OS Software Release 6.0(2)N1(2) and later versions. This compatibility ensures that the module can leverage the advanced features and stability provided by the Cisco NX-OS, enhancing the overall performance and reliability of the network infrastructure. The plug-in form factor of the module allows for seamless integration into existing network setups, with its design focused on ease of deployment and maintenance. The hardware specifications of the Cisco N55-M4Q include: -
  • Number of Ports: 4
  • Port Type: QSFP
  • Data Link Protocol: 10 GigE
This module supports wired connectivity technology, which is essential for establishing stable and secure connections within the network. Additionally, it is designed to be field replaceable and supports hot swap, which significantly minimizes downtime by allowing for the replacement or upgrade of modules without disrupting the network operation. This feature is particularly beneficial in maintaining the continuous availability of critical network services. The Cisco N55-M4Q is engineered to operate within a wide range of environmental conditions. It can function efficiently at a humidity level ranging from 5 to 95% (non-condensing) and at altitudes up to 10,000 feet (approximately 3000 meters). The operating temperature range of the module is between 32 to 104°F (0 to 40°C), while it can withstand storage temperatures ranging from -40 to 158°F (-40 to 70°C). These specifications ensure that the module remains operational and reliable across various climatic conditions, making it suitable for deployment in diverse geographical locations. In conclusion, the Cisco N55-M4Q represents a pivotal addition to the Nexus 5500 Series Switches, offering enhanced connectivity options and improved network performance. Its support for high-speed Ethernet connections, coupled with the advanced features provided by the Cisco NX-OS, makes it an ideal solution for enterprises looking to upgrade their network infrastructure. The module's design focuses on flexibility, reliability, and ease of maintenance, ensuring that it can meet the evolving demands of modern data centers and enterprise networks.


Item Number N55-M4Q
Maker Cisco
Ports Quantity 4
Port Classification QSFP
Required Operating System Cisco NX-OS, Version 6.0(2)N1(2) or Higher
Wiring Type 10GBase-T Ethernet
Protocol for Data Transmission 10 Gigabit Ethernet
Module Type Insertable
Slot Compatibility One Expansion Slot
Connection Method Cable
Module Replacement Type Field Replaceable
Hot-Pluggable Supported
Compatibility Nexus 5500 Series Switches
Moisture Tolerance 5% to 95%, Non-Condensing
Elevation Tolerance Up to 10,000 feet (0 to 3000 meters)
Temperature Range (Operational) 32°F to 104°F (0°C to 40°C)
Temperature Range (Storage) -40°F to 158°F (-40°C to 70°C)

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