Skip to content


by Juniper
Product Line: Juniper Networks EX Series
Product Type: Switch
Original price $0.00 - Original price $666.00
Original price
$0.00 - $666.00
Current price $666.00
Title: Used

Orders typically ship within 1-3 Business days, if you need an item to ship sooner please contact us.

Product Description

The EX4500-40F-FB is equipped with 40x 10 Gigabit Ethernet SFP+ network ports and offers 480 Gbps switching capacity, supporting high-speed data transfer and connectivity. It features hardware support for Data Center Bridging and support for eight PFC (802.1Qbb) queues, optimizing network performance and traffic management. With a forwarding rate of 714 Mpps and a MAC Address Table Size of 32,000, this switch is designed to handle extensive data loads while ensuring efficient network operation.

Key Feature for the EX4500-40F-FB

  • What is the switching capacity of the 40-port GbE/10GbE SFP/SFP+ switch?
    The switching capacity is 480 Gbps.
  • How many network ports does the device have?
    There are 40x 10 Gigabit Ethernet SFP+ network ports.
  • Does the device support Data Center Bridging (DCB)?
    Yes, it includes hardware support for Data Center Bridging.
  • What are the dimensions of the switch?
    Height: 3.5 in (8.9 cm); Width: 17.25 in (43.8 cm); Depth: 21.1 in (53.6 cm).
  • Can the switch support Priority Flow Control (PFC) queues?
    Yes, it supports eight PFC (802.1Qbb) queues.
  • What types of management ports are available on the switch?
    It includes 1x RJ-45 Serial Console, 1x Gigabit Management RJ-45, and 1x USB port.
  • What is the MAC address table size for this device?
    The MAC address table size is 32,000.
  • What are the options for mounting the switch in a server rack?
    The switch offers versatile two- and four-post mounting options for 19-inch server racks.
  • What is the forwarding rate of the switch?
    The forwarding rate is 714 Mpps (Million packets per second).
  • What are the operating and storage temperature ranges for the switch?
    Operating temperature range is 32° F to 113° F, and storage temperature range is -40° F to 158° F.

Product Review

The Juniper EX4500-40F-FB switch offers a significant switching capacity of 480 Gbps and a high forwarding rate of 714 Mpps, making it suitable for data-intensive applications. However, its weight of 37 lb and dimensions might pose challenges in environments where space optimization is crucial. Additionally, while the hardware support for Data Center Bridging and eight PFC queues enhances its performance for specialized tasks, the initial setup and configuration may require a deeper technical understanding, potentially limiting its appeal to users with advanced networking skills.


The Juniper EX4500-40F-FB is a high-performance Ethernet switch designed for data center and high-end enterprise network environments. It features 40 ports that support Gigabit Ethernet (GbE) and 10 Gigabit Ethernet (10GbE) connections via SFP/SFP+ modules, offering flexibility in network design and connectivity. The switch is engineered with front-to-back airflow, optimizing cooling for server rack deployments. This model is built to handle the demands of modern data centers, incorporating hardware support for Data Center Bridging (DCB). It ensures efficient data transport across Layer 2 networks by leveraging lossless Ethernet technologies. The switch supports eight Priority Flow Control (PFC) queues as defined by the IEEE 802.1Qbb standard, enhancing its capability to manage data traffic efficiently, even under heavy load conditions. Key hardware specifications include: - Network Ports: The device is equipped with 40x 10 Gigabit Ethernet SFP+ ports, providing high-speed connectivity and the ability to handle large volumes of data traffic. - Management Ports: For easy management, it includes 1x RJ-45 Serial Console, 1x Gigabit Management RJ-45, and 1x USB port, facilitating various access levels and methods for network administrators. - Switching Capacity: With a switching capacity of 480 Gbps, the EX4500-40F-FB can efficiently process a large amount of data, ensuring smooth network operations. - Virtual Chassis module: A 128 Gbps Virtual Chassis module with 2 x 64 Gbps ports allows for the interconnection of multiple switches, enabling them to operate as a single logical device. This feature simplifies network management and increases scalability. The physical dimensions of the switch are conducive to easy installation in standard server racks, with versatile mounting options for both two- and four-post setups. It measures 3.5 inches in height (2U rack units), 17.25 inches in width, and 21.1 inches in depth, while weighing 37 lb with one AC and DC power supply installed. Performance metrics include a forwarding rate of 714 Mpps (million packets per second) and a MAC address table size of 32,000 entries, allowing for efficient traffic handling and routing. The switch supports jumbo frames up to 9,216 bytes, enabling the transmission of large data packets and reducing overhead. Operational conditions for the EX4500-40F-FB are designed to accommodate a wide range of environments: - Operating temperature ranges from 32° F to 113° F, and storage temperature ranges from -40° F to 158° F. - It can operate at altitudes up to 10,000 ft and be stored at altitudes up to 16,000 ft. - Relative humidity tolerance ranges from 10% to 85% for operating conditions and 0% to 95% for non-operating conditions, all non-condensing. In summary, the Juniper EX4500-40F-FB is engineered to meet the requirements of modern data centers and enterprise networks, offering high-speed connectivity, scalability, and reliability in a compact, efficient form factor.


Item Code and ManufacturerJuniper EX4500-40F-FB
Network Interface40x 10GbE SFP/SFP+, support for front-to-back airflow
Compatibility with Data Center BridgingYes, includes hardware support
Priority Flow Control (PFC) QueuesSupports eight 802.1Qbb queues
Network Management Interfaces1x RJ-45 for Serial Console, 1x RJ-45 for Gigabit Ethernet Management, 1x USB Interface
Throughput Capacity480 Gbps
Virtual Chassis Throughput128 Gbps, divided into 2 ports at 64 Gbps each
Physical DimensionsHeight: 8.9 cm (3.5 in), 2U; Width: 43.8 cm (17.25 in); Depth: 53.6 cm (21.1 in)
Unit Weight17 kg (37 lb) with one power supply unit (either AC or DC)
Mounting FlexibilityCompatible with both two-post and four-post 19-inch racks
Package Forwarding Rate714 million packets per second (Mpps)
MAC Address MemoryCapacity for 32,000 addresses
Support for Large FramesUp to 9,216 byte frames
Minimum Operating Temperature0° C (32° F)
Maximum Operating Temperature45° C (113° F)
Minimum Storage Temperature-40° C (-40° F)
Maximum Storage Temperature70° C (158° F)
Operational Altitude LimitUp to 3,049 m (10,000 ft)
Non-Operational Altitude LimitUp to 4,877 m (16,000 ft)
Humidity Range (Non-Operating)0% to 95%, non-condensing
Humidity Range (Operating)10% to 85%, non-condensing

Compare products

{"one"=>"Select 2 or 3 items to compare", "other"=>"{{ count }} of 3 items selected"}

Select first item to compare

Select second item to compare

Select third item to compare