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by Brocade
Product Line: Brocade BR-VDX6940-64S-AC-R
Product Type: Switch
Original price $0.00 - Original price $4,999.00
Original price
$0.00 - $4,999.00
Current price $4,999.00
Title: Used

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Product Description

The Brocade VDX 6940-144S base system features 64 10 GbE SFP+ network ports and 12 40 Gigabit Ethernet QSFP+ uplink ports, providing a total switching capacity of 2.88 Tbps and a forwarding rate of 2.16 Bpps. It includes 2 AC power supplies, supports front-to-back airflow with 4 field-replaceable fan modules, and operates within a temperature range of 0°C to 40°C. For management, it offers an out-of-band RJ-45 port, 1x RS-232 port, and 1x USB port, accommodating a variety of administrative needs.

Key Feature for the BR-VDX6940-64S-AC-R

  • What type of power supply does the Brocade VDX 6940-144S support?
    The Brocade VDX 6940-144S supports AC power supply.
  • How many 10 Gigabit Ethernet SFP+ ports are available on this device?
    There are 64 10 Gigabit Ethernet SFP+ ports available.
  • What is the airflow direction for the Brocade VDX 6940-144S?
    The airflow direction is non port side exhaust (PSE) with front-to-back airflow.
  • What are the uplink port capabilities of the 6940-144S?
    It has 12x 40 Gigabit Ethernet QSFP+ uplink ports.
  • Can the fan modules in the Brocade VDX 6940-144S be replaced in the field?
    Yes, it has 4 field-replaceable fan modules.
  • What is the switching capacity of this switch?
    The switching capacity is 2.88 Terabits per second (Tbps).
  • What types of management ports are available on the Brocade VDX 6940-144S?
    It includes an out-of-band RJ-45 management port, 1x RS-232, and 1x USB port for management.
  • What is the MAC address table size of the 6940-144S?
    The MAC address table size is 112,000.
  • What are the operating and non-operating temperature ranges for the Brocade VDX 6940-144S?
    Operating temperature ranges from 0°C to 40°C, and non-operating/storage temperature ranges from -25°C to 70°C.
  • How does the Brocade VDX 6940-144S handle humidity and altitude in its operating and non-operating environments?
    Humidity operating is 10% to 85% non-condensing, non-operating/storage is 10% to 90% non-condensing. Altitude operating is up to 3,048 meters (10,000 feet), and non-operating/storage is up to 12 kilometers (39,370 feet).

Product Review

The Brocade BR-VDX6940-64S-AC-R offers a solid base system with 64 10GbE SFP+ ports and an additional 12 40GbE QSFP+ uplink ports, providing a high-density, scalable solution for network expansion. However, its operational temperature range is limited to 0°C to 40°C, which may not be suitable for environments with extreme temperatures. The switch also boasts a high switching capacity of 2.88 Tbps and a forwarding rate of 2.16 Bpps, but its latency of 800 ns could be a drawback for applications requiring lower latency.


The Brocade BR-VDX6940-64S-AC-R is a high-performance networking switch designed to meet the demands of modern data centers and high-end enterprise environments. This device is equipped with 64 10 Gigabit Ethernet SFP+ ports for data transmission, providing ample connectivity for a wide range of applications and devices. Additionally, the switch features 12 40 Gigabit Ethernet QSFP+ uplink ports, enhancing its capability to handle large amounts of data traffic and connect to higher-speed networks or backbone infrastructure. For management and configuration, the switch includes an out-of-band RJ-45 management port, a RS-232 console port, and a USB port, offering flexibility in network management and device setup. The device's hardware design incorporates four field-replaceable fan modules, ensuring continuous operation and optimal cooling even under heavy loads. The switch operates with a non-port side exhaust (PSE) airflow pattern, directing air from front to back, which aligns with the cooling strategies of most data center racks. Equipped with two AC power supplies, the Brocade BR-VDX6940-64S-AC-R ensures redundancy and reliability in power delivery, minimizing downtime due to power failures. This switch boasts a substantial switching capacity of 2.88 Tbps and a forwarding rate of 2.16 Bpps, enabling it to efficiently manage and route large volumes of network traffic. The MAC address table can store up to 112,000 entries, facilitating efficient network traffic routing and reducing the risk of packet loss or delay. With a latency of just 800 ns, this switch is capable of high-speed data processing, making it suitable for applications requiring quick response times. The hardware specifications include: -
  • 64x 10 Gigabit Ethernet SFP+ network ports
  • 12x 40 Gigabit Ethernet QSFP+ uplink ports
  • 2x AC power supplies for redundancy
Designed for mounting in a 2-RU rack space, this switch is compact yet powerful, making it an efficient use of space in crowded data centers. It operates within a temperature range of 0°C to 40°C and can withstand non-operating temperatures from -25°C to 70°C. Humidity tolerance ranges from 10% to 85% non-condensing during operation and 10% to 90% for non-operating or storage conditions, ensuring durability in various environmental conditions. The device can also function at altitudes of up to 3,048 meters (10,000 feet) when operating and up to 12 kilometers (39,370 feet) for non-operating or storage, accommodating deployment in a wide range of geographical locations. In summary, the Brocade BR-VDX6940-64S-AC-R is a versatile and powerful networking switch, designed to support the advanced requirements of high-performance computing environments and data centers. With its extensive port availability, high switching capacity, and advanced features for management and redundancy, this switch is an essential component for building efficient, reliable, and scalable network infrastructures.


Item NumberBrocade BR-VDX6940-64S-AC-R
Base ConfigurationVDX 6940-144S system
10 GbE Optic Ports64 SFP+ interfaces
Power TypeAC
Cooling MethodAirflow from port side, exhaust
High-Speed Network Interfaces64 x 10GbE SFP+
Expansion Slots12 x 40GbE QSFP+
Administration InterfacesRJ-45 OOB Management, RS-232 Serial Port, USB Port
Cooling Components4 replaceable fan units
Airflow PatternFront-to-Back, excludes Port Side Exhaust (PSE)
Power ComponentsTwo AC power supplies
Data Throughput Capacity2.88 Terabits per second
Packet Forwarding Rate2.16 Billion packets per second
MAC Entries112,000 entries
Network Delay800 nanoseconds
Mounting Hardware2-Rack Unit mounts provided
Minimum Operating Temperature0°C
Maximum Operating Temperature40°C
Storage Temperature Range-25°C to 70°C
Operational Humidity Range10% to 85%, non-condensing
Storage Humidity Range10% to 90%, non-condensing
Operational Altitude LimitUp to 3,048 meters
Storage Altitude LimitUp to 12,000 meters

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