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by Juniper
Product Line: Juniper Networks EX Series Ethernet Switches
Product Type: Switch
Original price $0.00 - Original price $260.00
Original price
$0.00 - $260.00
Current price $260.00
Title: Used

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

Product Description

The EX4550-EM-8XSFP Juniper expansion module enhances network capacity with its 8-port 10GbE SFP+ configuration, providing a switching capacity of 960 Gbps and a forwarding rate of 714 Mpps. It supports a MAC Address Table Size of 32,000, ensuring efficient data flow and connectivity across networks. Designed for durability and reliability, it offers a Predicted MTBF (Mean Time Between Failures) of 1,273 khrs and a FIT Rate of 786, with operational functionality within a temperature range of 32°F to 104°F and an operating altitude up to 10,000 ft.

Key Feature for the EX4550-EM-8XSFP

  • What is the switching capacity of the 8-port 10GbE SFP+ expansion module?
    The switching capacity is 960 Gbps.
  • How does the predicted MTBF for the module compare to industry standards?
    The predicted MTBF is 1,273,000 hours, indicating high reliability.
  • What is the maximum operating temperature for the module?
    The maximum operating temperature is 104°F.
  • Can you detail the dimensions of the module with front-mounting brackets?
    With brackets, the module measures 19 in (48.3 cm) in width.
  • What is the module's forwarding rate?
    The forwarding rate is 714 Mpps.
  • What is the size of the MAC Address Table?
    The MAC Address Table can accommodate 32,000 entries.
  • Are rack mounts provided with the module?
    Yes, rack mounts for 1-RU are included.
  • What is the FIT Rate for this module, and what does it indicate?
    The FIT Rate is 786, reflecting the failure incidents expected per billion hours of operation.
  • What are the module's operating and nonoperating altitude limits?
    Operating altitude is up to 10,000 ft, and nonoperating altitude is up to 16,000 ft.
  • What are the relative humidity requirements for the module?
    Operating relative humidity should be between 10% to 85% noncondensing, and nonoperating humidity can range from 0% to 95% noncondensing.

Product Review

The Juniper EX4550-EM-8XSFP expansion module offers a significant advantage with its 8-port 10GbE SFP+ capability, enhancing network scalability and performance. However, its mean time between failures (MTBF) of 1,273 khrs, while reasonable, might not meet the expectations of environments requiring near-continuous uptime. Additionally, the module's switching capacity of 960 Gbps and forwarding rate of 714 Mpps ensure high-speed data processing, although the physical dimensions and weight could pose challenges in more compact data center configurations.


The Juniper EX4550-EM-8XSFP is a high-performance expansion module designed for enterprise networking environments. This module is equipped with 8 ports of 10GbE SFP+ connectivity, enhancing network capacity and speed. It's engineered for seamless integration with Juniper's EX4550 series switches, allowing for a versatile and scalable networking solution. Key specifications include a Mean Time Between Failures (MTBF) of approximately 1,273,000 hours, demonstrating the module's reliability and longevity in operational environments. The Failure In Time (FIT) rate stands at 786, indicating a low likelihood of hardware failures over time. With a switching capacity of 960 Gbps and a forwarding rate of 714 Mpps, the module efficiently handles large volumes of data, ensuring smooth and reliable data transmission across the network. The module supports up to 32,000 MAC addresses, facilitating extensive device connectivity and network complexity. It comes with rack mounts for a 1-Rack Unit (1-RU) installation, making it convenient for deployment in data centers and network closets. The physical dimensions of the module are designed for ease of installation, with a height of 1.72 inches, a width of 17.35 inches without front-mounting brackets, and 19 inches with brackets, and a depth of 18.5 inches. The weight of the EX4550 switch with one AC or DC power supply is 19.4 pounds, with each power supply unit weighing an additional 2.4 pounds. Operational efficiency is maintained within a broad temperature range, from 32°F to 104°F, and at altitudes up to 10,000 feet during operation, and up to 16,000 feet when not in operation. The module is designed to perform in varying humidity conditions, with operating relative humidity ranging from 10% to 85% non-condensing, and non-operating relative humidity from 0% to 95% non-condensing. These specifications ensure the module's reliability and durability across different environmental conditions. HTML bullet points highlighting key features: -
  • 8-port 10GbE SFP+ expansion module for increased network capacity and speed.
  • -
  • High reliability with a predicted MTBF of 1,273 khrs and a low FIT rate of 786.
  • -
  • Supports a vast MAC address table size of 32,000 for extensive network connectivity.
  • In conclusion, the Juniper EX4550-EM-8XSFP expansion module offers a powerful solution for enhancing network performance and scalability. With its high-speed connectivity, extensive capacity for MAC addresses, and designed for reliability and durability, it stands out as a valuable addition to enterprise networking infrastructures. Its compatibility with the EX4550 series switches ensures that businesses can expand their networks efficiently and cost-effectively, meeting the demands of modern data-intensive operations.


    Part Number and Manufacturer Juniper EX4550-EM-8XSFP
    Type 8-port 10GbE SFP+ expansion module
    Mean Time Between Failure (hours) 1,273
    Failures In Time (FIT) Rate 786
    Switch Capacity 960 Gigabits per second
    Packet Forwarding Rate 714 Million packets per second
    Size of MAC Address Database 32,000 entries
    Rack Mounting Options Provided (1-Rack Unit)
    Dimensions (H x W x D) 1.72 in x 17.35 in (without brackets) / 19 in (with brackets) x 18.5 in
    Weight of EX4550 Switch with a Single Power Supply 19.4 lbs
    Weight of AC Power Supply Unit 2.4 lbs
    Weight of DC Power Supply Unit 2.4 lbs
    Minimum Operating Temperature 32°F
    Maximum Operating Temperature 104°F
    Storage Temperature Range -40°F to 158°F
    Maximum Operating Altitude 10,000 feet
    Maximum Nonoperating Altitude 16,000 feet
    Minimum Operating Relative Humidity 10%
    Maximum Operating Relative Humidity 85%
    Minimum Nonoperating Relative Humidity 0%
    Maximum Nonoperating Relative Humidity 95%

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