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by Brocade
Product Line: Brocade VDX Series Switches
Product Type: BRVDX694036QACF Ethernet Switch
Original price $0.00 - Original price $2,001.00
Original price
$0.00 - $2,001.00
Current price $2,001.00
Title: Used

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Product Description

The Brocade VDX 6940-36Q base system features 36 40 GbE QSFP+ network ports for high-density connections and a 2.88 Tbps switching capacity, ensuring efficient data handling across networks. It is equipped with two internal, redundant, field-replaceable load-sharing AC power supplies and supports front-to-back airflow with five field-replaceable fan modules, optimizing cooling for reliability. Additional technical specifications include a forwarding rate of 2.16 Bpps, a MAC address table size of 112,000, and a design compliant with operating temperatures ranging from 0°C to 40°C, supporting environments up to 3,048 meters altitude.

Key Feature for the BRVDX694036QACF

  • What are the key features of the Brocade VDX 6940-36Q base system?
    The Brocade VDX 6940-36Q features 36x 40 GbE QSFP+ ports, AC power supply, non-port-side exhaust airflow, 2x internal, redundant, field-replaceable AC power supplies, 5x field-replaceable fan modules, front-to-back airflow, and a 1-RU rack mount size. It offers a switching capacity of 2.88 Tbps and a forwarding rate of 2.16 Bpps. Management options include 1x RJ-45 Out of Band Management port, 1x USB, and 1x RS-232.
  • How many network ports does the 6940-36Q have, and what type are they?
    The 6940-36Q has 36 network ports, all of which are 40 Gigabit Ethernet QSFP+.
  • What is the operating temperature range for the Brocade VDX 6940-36Q?
    The operating temperature range is from 0°C to 40°C.
  • Can the fan modules in the Brocade VDX 6940-36Q be replaced by the user?
    Yes, the Brocade VDX 6940-36Q includes 5x field-replaceable fan modules (FRU's), allowing users to replace them as needed.
  • What are the management port options available on this device?
    This device offers 1x RJ-45 Out of Band Management port, 1x USB, and 1x RS-232 for management purposes.
  • Describe the airflow direction and its importance in the Brocade VDX 6940-36Q.
    The airflow direction in the Brocade VDX 6940-36Q is front-to-back, which is crucial for maintaining optimal operating temperatures by ensuring that air flows from the cooler front side to the warmer back side of the rack, preventing hot air recirculation and aiding in efficient cooling.
  • What is the maximum altitude at which the Brocade VDX 6940-36Q can operate?
    The maximum operating altitude for the Brocade VDX 6940-36Q is 3,048 meters (10,000 feet).
  • How does the Brocade VDX 6940-36Q handle power redundancy?
    The device includes 2x internal, redundant, field-replaceable load-sharing AC power supply units (PSU's), ensuring continuous operation in case one PSU fails.
  • What is the size of the MAC address table on the 6940-36Q?
    The MAC address table size on the 6940-36Q is 112,000 entries.
  • What are the humidity levels supported by the Brocade VDX 6940-36Q for operating and non-operating conditions?
    For operating conditions, humidity levels supported are 10% to 85% non-condensing. For non-operating and storage conditions, humidity levels supported are 10% to 90% non-condensing.

Product Review

The Brocade BR-VDX6940-36Q-AC-F offers a high switching capacity of 2.88 Tbps and a forwarding rate of 2.16 Bpps, making it suitable for environments demanding high bandwidth and throughput. However, its limitation to 36x 40 Gigabit Ethernet QSFP+ ports might restrict scalability in rapidly growing network infrastructures. Additionally, the inclusion of redundant, field-replaceable power supplies and fans enhances system reliability and uptime, but the front-to-back airflow design necessitates careful placement in data centers to avoid hot air recirculation.


The Brocade BR-VDX6940-36Q-AC-F is a high-performance network switch designed to meet the demands of modern data centers. With its 36 40 Gigabit Ethernet QSFP+ ports, this switch offers a substantial bandwidth capacity for intensive data and storage networking environments. The system is equipped with AC power supply and features a non-port-side exhaust airflow design, ensuring efficient cooling and reliable operation under heavy workloads. Key specifications include a switching capacity of 2.88 Terabits per second (Tbps) and a forwarding rate of 2.16 Billion packets per second (Bpps), making it capable of handling large volumes of traffic with minimal latency. The device supports a MAC address table size of 112,000, allowing for extensive device connectivity and network segmentation options. Connectivity options are enhanced with the inclusion of one RJ-45 Out of Band Management port, one USB port, and one RS-232 port, facilitating easy management and configuration. The switch also comes with five field-replaceable fan modules (FRUs), ensuring continued operation and minimal downtime in case of a fan failure. For power redundancy and reliability, it includes two internal, redundant, field-replaceable load-sharing AC power supply units (PSUs).
  • Network Ports: 36x 40 Gigabit Ethernet QSFP+
  • Management Ports: 1x RJ-45, 1x USB, 1x RS-232
  • Fan Modules: 5x Field Replaceable Units (FRUs)
The operational integrity of the Brocade BR-VDX6940-36Q-AC-F is maintained across a wide range of environmental conditions. It can operate effectively at temperatures from 0°C to 40°C and can be stored in non-operating conditions from -25°C to 70°C. Humidity tolerance ranges from 10% to 85% non-condensing during operation and 10% to 90% for storage. The system is designed to function at altitudes up to 3,048 meters (10,000 feet) when operating and up to 12 kilometers (39,370 feet) in non-operating or storage conditions, accommodating various installation environments from data centers to elevated sites. The switch's form factor is 1-Rack Unit (1-RU), and it comes with rack mounts included, ensuring it can be easily integrated into any standard rack setup without requiring additional hardware. This compact size, combined with its powerful features, makes the Brocade BR-VDX6940-36Q-AC-F an ideal solution for organizations looking to optimize their network's performance, reliability, and scalability.


Item ID and Producer Brocade BR-VDX6940-36Q-AC-F
Model VDX 6940-36Q Base Unit
Connectivity Interfaces 36x 40GbE QSFP+ Connections
Energy Source AC Power Module
Cooling Airflow Direction From the Front to the Back Exhaust
Data Transfer Ports 36x 40G Ethernet QSFP+
Administrative Interfaces 1x RJ-45 for Out-of-Band Management, 1x USB, 1x RS-232 Serial Port
Cooling Units 5x User-Replaceable Fan Units
Cooling Direction Front-to-Back Air Circulation
Power Modules 2x In-built, Backup, User-Replaceable Power Units with Load Balancing
Switching Throughput 2.88 Terabits per second
Packets Processing Speed 2.16 Billion packets per second
MAC Address Storage 112,000 Entries
Mounting Kit Provided (1-Rack Unit)
Minimum Operating Temp 0 Degrees Celsius
Maximum Operating Temp 40 Degrees Celsius
Storage Temp Range - Minimum -25 Degrees Celsius
Storage Temp Range - Maximum 70 Degrees Celsius
Operational Humidity Range 10% to 85%, Non-condensing
Storage Humidity Range 10% to 90%, Non-condensing
Maximum Operating Altitude Up to 3,048 Meters
Storage Altitude Limit Up to 12 Kilometers

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