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by Brocade
Product Line: Brocade Brocade VDX 8770 Series
Product Type: network switch
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Product Description

The BR-VDX8770-27X40G-QSFP Brocade module features 27×40 GbE QSFP+ ports for high-speed connectivity without optics. It operates within an ambient temperature range of 0°C to 40°C (32°F to 104°F) and supports a maximum power consumption of 580 W. Designed for durability, it withstands 20 G shock during operation and up to 33 G in non-operational conditions, ensuring reliability in various environments.

FAQs for the BR-VDX8770-27X40G-QSFP

  • What is the maximum power consumption of the 27×40 GbE, QSFP+ module?
    The maximum power consumption is 580 W.
  • How does the ambient temperature affect the 27-port QSFP+ module's performance?
    The module operates within an ambient temperature range of 0°C to 40°C (32°F to 104°F) to ensure optimal performance.
  • What are the non-operational temperature and humidity ranges for this module?
    The non-operational temperature range is −25°C to 70°C (−13°F to 158°F), with a relative humidity range of 10% to 90% at 70°C (158°F).
  • Can the 27×40 GbE, QSFP+ module be used at high altitudes?
    Yes, it can operate at altitudes up to 3000 m (10,000 feet) and non-operational up to 12,000 m (40,000 feet).
  • What are the shock and vibration tolerances for the QSFP+ module during operation and non-operation?
    Operational shock tolerance is 20 G, 6 ms, half-sine wave, and vibration is 0.5 G, 5-500 Hz. Non-operational shock is 33 G, 11 ms, half-sine wave, and vibration is 2.0 G, 5-500 Hz.
  • What is the input voltage requirement for the 27-port QSFP+ module?
    The required input voltage is 200 to 240 VAC, with an operating range of 180 to 264 VAC.
  • How much current can the module draw from an AC or DC power supply?
    It can draw a maximum of 16.0 A from an AC power supply and 70.0 A from a DC power supply.
  • Does the 27×40 GbE, QSFP+ module support flash memory?
    Yes, it supports one 8 GB compact flash in each Management Module.
  • What is the maximum jumbo frame size supported by this module?
    The maximum jumbo frame size supported is 9,216 bytes.
  • What are the operational and non-operational relative humidity levels for the 27-port QSFP+ module?
    Operational relative humidity is 5% to 90% at 40°C (104°F), and non-operational is 10% to 90% at 70°C (158°F).

Product Review

The Brocade BR-VDX8770-27X40G-QSFP module offers significant connectivity with 27×40 GbE QSFP+ ports, catering well to environments demanding high bandwidth. However, the lack of included optics could increase the total cost of ownership for organizations needing to purchase these components separately. Additionally, its maximum power consumption of 580W may require careful planning in power budgeting and cooling strategies in dense network setups.


The Brocade BR-VDX8770-27X40G-QSFP module is designed for high-density, high-performance networking environments, offering a comprehensive solution for data center networking requirements. This module provides 27×40 GbE QSFP+ ports, catering to the demands for high bandwidth and scalability in modern data centers. It does not come with optics, allowing customers to choose the most suitable optics for their specific needs. Power efficiency and environmental adaptability are key considerations in the design of the BR-VDX8770-27X40G-QSFP. With a maximum power consumption of 580 W, it balances performance with energy efficiency. The module operates reliably in a wide range of ambient temperatures from 0°C to 40°C (32°F to 104°F), ensuring consistent performance under varying data center temperatures. For non-operational conditions, it can withstand temperatures from −25°C to 70°C (−13°F to 158°F), highlighting its robustness in storage or transit conditions. The module's reliability is further underscored by its ability to function in environments with up to 90% non-condensing relative humidity at 40°C (104°F), and it maintains its integrity at up to 90% relative humidity at 70°C (158°F) when not operational. This resilience to humidity variations protects the hardware from moisture-related damage. Additionally, the module is designed to operate at altitudes of up to 3000 m (10,000 feet) above sea level, with non-operational tolerance extending to 12,000 m (40,000 feet), ensuring its suitability for deployment in a wide range of geographical locations. The BR-VDX8770-27X40G-QSFP is engineered to withstand physical stress, with a shock resistance of 20 G for 6 ms in a half-sine wave during operation and a non-operational shock resistance of 33 G for 11 ms. Vibration resistance is rated at 0.5 G from 5-500 Hz at 1.0 octave/minute during operation, with an increased tolerance of 2.0 G under the same conditions when not in use. These specifications guarantee the module's durability in environments prone to physical disturbances. Electrical specifications include an input line frequency of 50/60 Hz, with a maximum current of 16.0 A per power supply for AC input and 70.0 A for DC input. The module operates within a voltage range of 180 to 264 VAC, with an input voltage of 200 to 240 VAC. These electrical requirements ensure compatibility with standard data center power supplies and electrical infrastructures.
  • Support for a maximum jumbo frame size of 9,216 bytes enhances the module's efficiency in handling large data packets, reducing the overhead and improving data throughput.
  • Flash memory support includes one 8 GB compact flash in each Management Module, providing ample storage for system software, configuration files, and logs.
  • Additional connectivity options include a 48-port SFP/SFP-copper 1 GbE access line card, a 48-port RJ45 1 GbE/10 GbE access (copper) line card, a 6-port CFP2 module 100 GbE aggregation line card, and 12-port as well as 27-port QSFP+ module 40 GbE aggregation line cards, offering flexibility in network design and expansion.
The Brocade BR-VDX8770-27X40G-QSFP module is a powerful, flexible solution for data center networking, providing the scalability, resilience, and efficiency required for modern high-performance computing environments.


Part NumberBrocade BR-VDX8770-27X40G-QSFP
Module Type27×40 GbE QSFP+ module without optics
Peak Power Usage580 Watts
Operating Temperature Range0°C to 40°C (32°F to 104°F) external to switch
Storage Temperature Range−25°C to 70°C (−13°F to 158°F) external to switch
Humidity Range for Operation5% to 90% at 40°C (104°F), noncondensing
Humidity Range for Storage10% to 90% at 70°C (158°F), noncondensing
Operational Altitude LimitUp to 3000 meters (10,000 feet) above sea level
Storage Altitude LimitUp to 12,000 meters (40,000 feet) above sea level
Operational Shock Resistance20 G, 6 milliseconds, half-sine wave
Storage Shock Resistance33 G, 11 milliseconds, half-sine wave
Vibration Tolerance (Operational)0.5 G, 5-500 Hz over 1.0 octave/minute
Vibration Tolerance (Non-operational)2.0 G, 5-500 Hz over 1.0 octave/minute
AC Input Frequency50/60 Hz
Maximum Input CurrentAC: 16.0 A max per power unit
DC: 70.0 A max per power unit
Operating Input Voltage200 to 240 VAC (Range: 180 to 264 VAC)
1 GbE Interface (Fiber/Copper)48-port SFP/SFP-copper line card
1 GbE/10 GbE Interface (Copper)48-port RJ45 line card
100 GbE Aggregation6-port CFP2 module line card
40 GbE Aggregation Options12-port and 27-port QSFP+ module line cards
Flash Memory8 GB compact flash per Management Module
Largest Jumbo Frame9,216 bytes

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