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by Juniper
Product Line: Juniper EX4550-EM-8XT
Product Type: Switch
Original price $1,003.00 - Original price $1,264.00
Original price
$1,003.00 - $1,264.00
Current price $1,264.00
Title: Surplus

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Product Description

The EX4550-EM-8XT is an expansion module with 8-port 100/1G/10GBASE-T capabilities, designed for seamless integration into networking environments requiring high bandwidth and throughput. It boasts a switching capacity of 960 Gbps and a forwarding rate of 714 Mpps, complemented by a MAC address table size of 32,000 entries. With dimensions of 1.72 in height, 17.35 in to 19 in width (depending on mounting brackets), and 18.5 in depth, it includes rack mounts for 1-RU installation and operates within a temperature range of 32°F to 104°F, supporting up to 10,000 ft in operating altitude.

Key Feature for the EX4550-EM-8XT

  • What is the switching capacity of the 8-port 100/1G/10GBASE-T expansion module?
    The switching capacity is 960 Gbps.
  • How does the predicted MTBF correlate with the FIT rate for the module?
    The predicted MTBF is 999,000 hours, which correlates with a FIT rate of 1,001, indicating a high reliability.
  • What is the maximum operating temperature for the expansion module?
    The maximum operating temperature is 104°F.
  • Can you detail the dimensions of the expansion module including the weight with an EX4550 switch?
    Height: 1.72 in, Width without brackets: 17.35 in, Width with brackets: 19 in, Depth: 18.5 in. Weight with EX4550 switch and one power supply is 19.4 lb.
  • What is the MAC Address Table Size of the expansion module?
    The MAC Address Table Size is 32,000.
  • Describe the rack mounts that come with the expansion module.
    Rack mounts included are designed for a 1-RU (Rack Unit) setup.
  • What are the storage temperature limits for the module?
    The storage temperature range is from -40° to 158°F (-40° to 70°C).
  • What is the forwarding rate capability of the module?
    The forwarding rate is 714 Mpps (Million packets per second).
  • Detail the operating and nonoperating relative humidity ranges for the module.
    Operating relative humidity range is 10% to 85% (noncondensing), and nonoperating relative humidity range is 0% to 95% (noncondensing).
  • What is the maximum operating altitude for the expansion module?
    The maximum operating altitude is up to 10,000 ft (3,048 m).

Product Review

The Juniper EX4550-EM-8XT expansion module offers a high switching capacity of 960 Gbps and a forwarding rate of 714 Mpps, supporting efficient data processing and network performance. With a MAC address table size of 32,000, it can handle a substantial number of devices, making it suitable for large-scale deployments. However, its operating temperature range is limited to 32°F to 104°F, which may restrict its use in environments with extreme temperatures.


The Juniper EX4550-EM-8XT is a high-performance expansion module designed to enhance the capabilities of network infrastructures. It features an 8-port 100/1G/10GBASE-T interface, providing versatile connectivity options for various network demands. This expansion module is specifically engineered to cater to the high-speed networking requirements, offering a substantial increase in bandwidth and network efficiency. With a predicted Mean Time Between Failures (MTBF) of 999 thousand hours and a Failure In Time (FIT) rate of 1,001, the EX4550-EM-8XT stands out for its reliability in continuous operation environments. Its advanced design ensures a minimal likelihood of failure, contributing to overall network stability and reduced downtime. The module boasts an impressive switching capacity of 960 Gbps, coupled with a forwarding rate of 714 Mpps (Million packets per second). These specifications underline the device's ability to handle large volumes of data with ease, ensuring smooth data transmission across the network. The MAC Address Table Size of 32,000 entries further enhances its performance by efficiently managing network traffic and reducing broadcast domains. Included with the device are rack mounts suitable for a 1-Rack Unit (RU) setup, facilitating easy and secure installation in data centers or network closets. The Juniper EX4550-EM-8XT is designed with precise dimensions, having a height of 1.72 inches (4.37 cm), a width of 17.35 inches (44.07 cm) without front-mounting brackets and 19 inches (48.3 cm) with brackets, and a depth of 18.5 inches (46.99 cm). The switch's weight is 19.4 pounds (8.8 kg) with one AC or DC power supply installed, and each power supply unit weighs an additional 2.4 pounds (1.1 kg). Operating temperature ranges from 32°F to 104°F, ensuring the module functions efficiently under various environmental conditions. It also supports storage temperatures from -40° to 158° F (-40° to 70° C), offering resilience against extreme conditions during non-operational periods. The EX4550-EM-8XT is designed to operate optimally up to an altitude of 10,000 feet (3,048 m), with non-operating tolerance up to 16,000 feet (4,877 m), making it suitable for deployment in a wide range of geographical locations.
  • Relative humidity operating ranges from 10% to 85% (non-condensing), ensuring performance stability in varying environmental conditions.
  • Non-operating relative humidity tolerance spans from 0% to 95% (non-condensing), highlighting the module's durability during storage.
  • Includes 1-RU rack mounts for straightforward installation in diverse networking environments.
In summary, the Juniper EX4550-EM-8XT expansion module is a high-capacity, reliable solution designed for modern network infrastructures, offering enhanced data processing and transmission capabilities alongside flexible connectivity options. Its durability, coupled with high performance and ease of installation, makes it an ideal choice for expanding the capabilities of a network to meet growing data demands.


Part Number & Manufacturer Juniper EX4550-EM-8XT
Type 8-port 100/1G/10GBASE-T expansion module
Mean Time Between Failure (hours) 999,000
Failure Rate 1,001 failures per billion hours
Bandwidth 960 Gigabits per second
Packet Forwarding Rate 714 Million packets per second
MAC Address Capacity 32,000 entries
Mounting Option 1-Rack Unit brackets included
Dimensions (H x W x D) 1.72 x 17.35/19 (with brackets) x 18.5 inches
Weight 19.4 lbs with one power supply
Power Supply Weight (AC/DC) 2.4 lbs
Minimum Operating Temperature 0°C (32°F)
Maximum Operating Temperature 40°C (104°F)
Storage Temperature Range -40°C to 70°C (-40°F to 158°F)
Max Operational Altitude 3,048 meters (10,000 feet)
Max Non-operational Altitude 4,877 meters (16,000 feet)
Minimum Operating Humidity 10% (non-condensing)
Maximum Operating Humidity 85% (non-condensing)
Minimum Non-operating Humidity 0% (non-condensing)
Maximum Non-operating Humidity 95% (non-condensing)

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