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by Hp
Product Line: HP JL325A
Product Type: Switch
Original price $0.00 - Original price $221.00
Original price
$0.00 - $221.00
Current price $221.00
Title: Used

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Product Description

The JL325A HP is a 2 Port Stacking Module with a plug-in module form factor, designed for wired connectivity and measures 5.8 in (W) x 2.4 in (D) x 1.1 in (H), weighing 149.7 g. It boasts a 1000 Mbps latency of < 3.1µs and a 2.5 Gbps latency of < 6.5µs, with a throughput of 112 Mpps, stacking performance of 100 Gbps, and a switching capacity of 320 Gbps that extends to 420 Gbps when including stacking. The module supports a MAC address table size of 32,768 entries, operates within a temperature range of 32°F to 104°F, and handles a maximum heat dissipation of 522 BTU/hr, ensuring reliable performance in diverse environments.

Key Feature for the JL325A

  • What is the form factor of the 2 Port Stacking Module?
    The form factor of the 2 Port Stacking Module is a plug-in module.
  • How many ports does the module provide and what is its connectivity technology?
    The module provides 2 ports and utilizes wired connectivity technology.
  • What are the dimensions and weight of the module?
    The module measures 5.8 inches in width, 2.4 inches in depth, 1.1 inches in height, and weighs 149.7 g (0.3 lb).
  • Can you explain the latency performance of the module?
    The module delivers a latency of less than 3.1µs for 1000 Mbps FIFO 64-byte packets and less than 6.5µs for 2.5 Gbps FIFO 64-byte packets.
  • What is the throughput and stacking performance of the module?
    The throughput of the module is 112 Mpps, and it has a stacking performance of 100 Gbps.
  • How does the module's switching capacity compare when including stacking?
    The module's switching capacity is 320 Gbps, which increases to 420 Gbps when including stacking.
  • What size is the MAC address table of the module?
    The MAC address table size of the module is 32,768 entries.
  • What are the operating temperature and humidity ranges for the module?
    The operating temperature range is 32 °F to 104 °F with a relative humidity range of 15% to 95% (non-condensing) up to 10,000 ft.
  • What are the non-operating temperature and humidity conditions for storage of the module?
    The non-operating/storage temperature ranges from -40°C to +70°C up to 15,000 ft, and the storage relative humidity is 90% at 65°C (non-condensing); up to 15,000 ft.
  • What is the primary airflow direction in the module?
    The primary airflow direction in the module is from port to power.

Product Review

The HP JL325A 2 Port Stacking Module offers significant benefits in network scalability and efficiency, with a switching capacity of 320 Gbps that, when including stacking, extends to 420 Gbps, enabling high-speed data processing and transmission. However, its performance is limited by latency rates of up to 6.5µs for 2.5 Gbps, which may affect time-sensitive applications. Additionally, the module's compact plug-in form factor facilitates easy integration into existing setups, but its heat dissipation rate of 522 BTU/hr necessitates adequate cooling solutions in densely packed network environments.


The HP JL325A is a 2 Port Stacking Module designed to enhance the performance and scalability of networking hardware. This plug-in module integrates seamlessly into existing infrastructures, providing a straightforward solution for expanding network capabilities. Measuring 5.8 inches in width, 2.4 inches in depth, and 1.1 inches in height, the HP JL325A is compact, making it an ideal choice for space-constrained setups. Despite its small size, it weighs 149.7 grams, ensuring it remains securely in place once installed. Connectivity is a key aspect of the HP JL325A, offering wired connections with two ports to facilitate efficient network stacking. This module is engineered to support high-speed data transfer and low latency, essential for maintaining optimal network performance. Latency rates are impressively low, with 1000 Mbps connections experiencing less than 3.1µs and 2.5 Gbps connections less than 6.5µs for FIFO 64-byte packets.
  • Throughput stands at 112 Mpps, showcasing the module's ability to handle significant amounts of data efficiently.
  • Stacking performance is robust, boasting a 100 Gbps capacity that allows for extensive network expansion without compromising speed or reliability.
  • The switching capacity is 320 Gbps, which, when including stacking capabilities, extends to an impressive 420 Gbps, providing ample bandwidth for even the most demanding network environments.
The HP JL325A supports a MAC address table size of 32,768 entries, enabling the management of large numbers of devices within the network. It operates efficiently under a wide range of temperatures, from 32 °F to 104 °F, and can withstand non-operating temperatures from -40°C to +70°C. This resilience ensures reliable performance in diverse operational environments, from standard office settings to more demanding industrial conditions. Humidity levels are also a consideration in the design of the HP JL325A. It operates effectively in conditions from 15% to 95% (non-condensing) up to 10,000 feet, and for non-operating or storage purposes, it can handle up to 90% humidity at 65°C (non-condensing) up to 15,000 feet. This wide range of tolerance ensures that the module remains functional and durable, even in varying climatic conditions. Heat dissipation is an important factor in maintaining the longevity and reliability of networking hardware. The HP JL325A has a maximum heat dissipation of 522 BTU/hr, which is indicative of its efficient power usage and thermal management capabilities. The primary airflow direction from port to power aids in keeping the module at optimal operating temperatures, further enhancing its performance stability. In conclusion, the HP JL325A 2 Port Stacking Module is a versatile and efficient solution for expanding network capacities. Its compact form factor, coupled with its high throughput, low latency, and advanced thermal management, makes it an excellent choice for businesses looking to enhance their networking infrastructure.


Item Number HP JL325A
Type Stacking module with 2 ports
Design Module for plug-in installation
Number of Ports 2
Connection Type Wired
Width 5.8 inches
Depth 2.4 inches
Height 1.1 inches
Mass 149.7 grams
Latency for 1000 Mbps Less than 3.1 microseconds for 64-byte packets
Latency for 2.5 Gbps Less than 6.5 microseconds for 64-byte packets
Data Processing Rate 112 million packets per second
Stack Bandwidth 100 gigabits per second
Internal Switching Capacity 320 gigabits per second
Total Switching Capacity with Stacking 420 gigabits per second
MAC Address Database 32,768 entries
Power Frequency 50/60 Hz
Heat Output 522 BTU per hour
Minimum Operating Temperature 32 °F
Maximum Operating Temperature 104 °F
Humidity Range in Operation 15% to 95% non-condensing at up to 10,000 feet
Temperature Range when Stored -40°C to +70°C at up to 15,000 feet
Humidity Range when Stored 90% at 65°C non-condensing; up to 15,000 feet
Airflow Direction From port side to power side

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