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by Juniper
Product Line: Juniper EX4550VC1128G
Product Type: Switch
Original price $677.00 - Original price $1,000.00
Original price
$677.00 - $1,000.00
Current price $1,000.00
Title: Surplus

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

Product Description

The EX4550-VC1-128G Juniper module boasts a 128 Gbps Virtual Chassis module capacity, enhancing network scalability and efficiency. It supports a switching capacity of 960 Gbps and a forwarding rate of 714 Mpps, designed to meet high-performance requirements. With a MAC Address Table Size of 32,000, and included 1-RU rack mounts, this device ensures reliable operation within a 32°F to 104°F operating temperature range, accommodating diverse networking environments.

Key Feature for the EX4550VC1128G

  • What is the switching capacity of the 128 Gbps Virtual Chassis module?
    The switching capacity is 960 Gbps.
  • How does the forwarding rate of the module enhance network performance?
    With a forwarding rate of 714 Mpps, the module efficiently manages data packets, improving network throughput and reducing latency.
  • Can you detail the MAC Address Table Size for this device?
    The MAC Address Table Size is 32,000.
  • What are the included accessories for mounting the switch?
    Rack mounts are included with the switch, supporting a 1-RU setup.
  • What are the physical dimensions of the EX4550 switch without front-mounting brackets?
    Height: 1.72 in, Width: 17.35 in, Depth: 18.5 in.
  • How does the operating temperature range affect the switch's deployment environments?
    The operating temperature range of 32°F to 104°F allows for deployment in a wide variety of environments, ensuring reliability in different conditions.
  • What is the weight of the EX4550 switch with one AC or DC power supply?
    The weight is 19.4 lb (8.8 kg).
  • What is the Predicted MTBF (Mean Time Between Failures) in kilo-hours for this module?
    The Predicted MTBF is 6,296 khrs, indicating a high level of reliability over time.
  • Is the device designed to operate within specific humidity levels?
    Yes, the operating relative humidity range is 10% to 85% (noncondensing), and the nonoperating range is 0% to 95% (noncondensing).
  • What are the operational and nonoperational altitudes specified for the device?
    The operational altitude is up to 10,000 ft, while the nonoperational altitude can go up to 16,000 ft.

Product Review

The Juniper EX4550-VC1-128G offers a high switching capacity of 960 Gbps and a forwarding rate of 714 Mpps, supporting efficient data handling and network performance. With a predicted mean time between failures (MTBF) of 6,296 kilohours and a failure in time (FIT) rate of 144, it demonstrates reliability for critical network infrastructure. However, the device's MAC address table size is limited to 32,000, which might be a constraint in large-scale deployments or environments requiring extensive MAC address entries.


The Juniper EX4550-VC1-128G is a networking switch designed to accommodate the needs of high-density, high-performance data center and campus environments. It features a 128 Gbps Virtual Chassis module that enhances its scalability and redundancy, providing a seamless networking experience. The switch has a predicted mean time between failures (MTBF) of 6,296 hours and a Failure in Time (FIT) rate of 144, indicating a reliable hardware performance over its lifecycle. With a substantial switching capacity of 960 Gbps and a forwarding rate of 714 million packets per second (Mpps), the EX4550-VC1-128G is engineered to handle large volumes of traffic efficiently. It supports a MAC address table size of 32,000, allowing for a wide range of connected devices and facilitating complex network configurations. The physical dimensions of the switch make it suitable for standard 1-Rack Unit (1-RU) installations, and it comes with the necessary rack mounts for easy deployment. The dimensions are as follows: 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 weight of the EX4550 switch with one AC or DC power supply is 19.4 pounds (8.8 kg), and each power supply unit weighs an additional 2.4 pounds (1.1 kg).
  • Operating temperatures range from 32°F to 104°F, accommodating various environmental conditions.
  • The switch can operate up to an altitude of 10,000 feet (3,048 m) and can be stored at up to 16,000 feet (4,877 m), ensuring functionality in a wide range of geographical locations.
  • Relative humidity tolerance during operation ranges from 10% to 85% (non-condensing) and from 0% to 95% (non-condensing) during storage, providing resilience against environmental fluctuations.
The EX4550-VC1-128G's operational flexibility is further supported by its temperature and humidity ranges, allowing it to perform in varying climatic conditions without compromising on reliability or performance. The storage temperature range extends from -40° to 158° F (-40° to 70° C), ensuring the hardware's integrity during non-operational periods. In summary, the Juniper EX4550-VC1-128G switch offers a blend of high-performance specifications, including impressive switching and forwarding capacities, a reliable MTBF, and a resilient design suitable for demanding network environments. Its physical and operational characteristics make it a versatile choice for organizations looking to scale their networks efficiently.


Part Number / Manufacturer Juniper EX4550-VC1-128G
Virtual Chassis Module Throughput 128 Gbps
Mean Time Between Failures (Hours) 6296
Failure Rate in Time (Fits) 144
Total Switching Capacity 960 Gbps
Data Forwarding Rate 714 Million Packets per Second (Mpps)
Size of MAC Address Database 32,000 Entries
Mounting Option 1-RU Rack Mounts Provided
Physical Dimensions Height: 1.72 inches, Width: 17.35 inches (44.07 cm) / 19 inches (48.3 cm) with brackets, Depth: 18.5 inches
Device Weight EX4550 switch with 1 power supply: 19.4 lbs, AC/DC power supply: 2.4 lbs each
Minimum Operating Temperature 32°F (0°C)
Maximum Operating Temperature 104°F (40°C)
Temperature Range for Storage -40°F to 158°F (-40°C to 70°C)
Operating Elevation Limit Up to 10,000 feet (3,048 meters)
Non-operational Elevation Limit Up to 16,000 feet (4,877 meters)
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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