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by Juniper
Product Line: Juniper EX4500 Series
Product Type: Ethernet Switch
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Original price $0.00 - Original price $0.00
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Product Description

The EX4500-40F-BF Juniper switch features 40x 10 Gigabit Ethernet SFP+ network ports and offers a switching capacity of 480 Gbps, with hardware support for Data Center Bridging and support for eight PFC (802.1Qbb) queues. It includes management interfaces with 1x RJ-45 Serial Console, 1x Gigabit Management RJ-45, and 1x USB port, and boasts a 128 Gbps Virtual Chassis module with 2 x 64 Gbps ports. The device, designed for 19-in server racks, measures 3.5 in (8.9 cm) in height, 17.25 in (43.8 cm) in width, and 21.1 in (53.6 cm) in depth, supports jumbo frames up to 9,216 bytes, and operates efficiently within a temperature range of 32° F to 113° F.

FAQs for the EX4500-40F-BF

  • What type of network ports does this device support?
    The device supports 40x 10 Gigabit Ethernet SFP+ network ports.
  • How does the 40-port GbE/10GbE SFP/SFP+ ensure efficient data flow?
    It utilizes hardware support for Data Center Bridging and supports eight PFC (802.1Qbb) queues for efficient data flow.
  • What are the management port options available?
    Management options include 1x RJ-45 Serial Console, 1x Gigabit Management RJ-45, and 1x USB port.
  • What is the switching capacity of this device?
    The switching capacity is 480 Gbps.
  • What is the maximum forwarding rate?
    The maximum forwarding rate is 714 Mpps (Million packets per second).
  • Can you detail the virtual chassis module specifications?
    The device has a 128 Gbps Virtual Chassis module with 2 x 64 Gbps ports.
  • What are the physical dimensions and weight of the device?
    Dimensions are Height: 3.5 in (8.9 cm), Width: 17.25 in (43.8 cm), Depth: 21.1 in (53.6 cm), and it weighs 37 lb (17 kg) with one AC and DC power supply.
  • Describe the device's mounting options.
    It offers versatile two- and four-post mounting options for 19-inch server racks.
  • What is the MAC Address Table Size?
    The MAC Address Table Size is 32,000.
  • What are the operating and storage temperatures for the device?
    Operating temperatures range from 32° F to 113° F, and storage temperatures range from -40° F to 158° F.

Product Review

The Juniper EX4500-40F-BF offers a high switching capacity of 480 Gbps and a forwarding rate of 714 Mpps, ensuring efficient handling of data traffic for enterprise-level networks. However, its weight of 37 lb and dimensions may pose a challenge for deployment in more compact or space-constrained environments. Additionally, while it supports a comprehensive range of features including Data Center Bridging and eight PFC queues, the initial setup and configuration might be complex for users without extensive networking experience.


The Juniper EX4500-40F-BF is a high-performance Ethernet switch designed to meet the demands of today’s complex data center and campus environments. It features 40 10 Gigabit Ethernet SFP+ ports, providing a high-density, flexible, and scalable network foundation. This switch is engineered to support a wide range of applications, including high-speed data, voice, and video services. One of the key specifications of the EX4500-40F-BF is its support for Data Center Bridging (DCB), which enhances Ethernet's ability to carry storage traffic. This capability ensures lossless transmission of data across the network, crucial for environments where data integrity and availability are paramount. The switch also supports eight priority-based flow control (PFC) queues (802.1Qbb), allowing for fine-grained network traffic management and ensuring that critical applications receive the bandwidth they require. The hardware specifications of the EX4500-40F-BF include: - Network Ports: 40x 10 Gigabit Ethernet SFP+ - Management Ports: 1x RJ-45 Serial Console, 1x Gigabit Management RJ-45, 1x USB port - Switching Capacity: 480 Gbps - 128 Gbps Virtual Chassis module with 2 x 64 Gbps ports In terms of physical dimensions, the EX4500-40F-BF measures 3.5 inches (8.9 cm) in height, 17.25 inches (43.8 cm) in width, and 21.1 inches (53.6 cm) in depth, fitting into a 2U rack space. It weighs 37 lb (17 kg) with one AC and DC power supply installed, demonstrating its compact and efficient design suitable for space-constrained environments.
  • The switch offers a forwarding rate of 714 Mpps, ensuring efficient packet processing and delivery across the network.
  • The MAC Address Table Size is 32,000, facilitating large-scale network deployments.
  • Support for jumbo frames up to 9,216 bytes enhances the performance of large data transfers.
The EX4500-40F-BF operates within a temperature range of 32° F to 113° F (0° C to 45° C) and can be stored in temperatures ranging from -40° F to 158° F (-40° C to 70° C). Its operating altitude reaches up to 10,000 ft (3,049 m), with a non-operating altitude of up to 16,000 ft (4,877 m), ensuring reliability in various installation environments. Relative humidity levels for operating conditions are between 10% to 85% (non-condensing), and for non-operating conditions, it ranges from 0% to 95% (non-condensing), highlighting the switch's robustness in different climatic conditions. The EX4500-40F-BF also provides versatile mounting options, compatible with both two- and four-post racks in 19-inch server configurations. This flexibility ensures that the switch can be easily integrated into existing data center and networking infrastructures, making it an ideal solution for organizations looking to upgrade their network capabilities with minimal disruption. In summary, the Juniper EX4500-40F-BF combines high port density, advanced features for data integrity and traffic management, and a compact, flexible design, making it an excellent choice for data centers and high-performance networking environments.


Part NumberEX4500-40F-BF
Network Connectivity40x 10GbE SFP/SFP+ ports, back-to-front airflow
Supports Data Center BridgingYes, with hardware assistance
Priority Flow Control QueuesSupports 8 queues per IEEE 802.1Qbb standard
Interface for Management1x Console RJ-45, 1x RJ-45 for Management, 1x USB
Switch Fabric Capacity480 Gigabits per second
Virtual Chassis Interconnect Speed128 Gbps with dual 64 Gbps connections
Physical DimensionsHeight: 3.5 inches (2U); Width: 17.25 inches; Depth: 21.1 inches
Weight37 pounds with one power supply unit
Mounting OptionsCompatible with 2- and 4-post 19-inch racks
Packet Forwarding Rate714 Million packets per second
MAC Address Capacity32,000 entries
Maximum Frame Size9,216 bytes
Minimum Operating Temperature32°F
Maximum Operating Temperature113°F
Minimum Storage Temperature-40°F
Maximum Storage Temperature158°F
Max. Operating Altitude10,000 feet
Max. Non-operating Altitude16,000 feet
Humidity Range (Non-operating)0% to 95%, non-condensing
Humidity Range (Operating)10% to 85%, non-condensing

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