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by Hp
Product Line: HP JH326A
Product Type: Switch
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Product Description

The JH326A HP features dimensions of 4.37 cm (H) x 43.99 cm (W) x 46 cm (D) and weighs 12.5 kg. It is equipped with 48 RJ-45 autosensing 10/100/1000 PoE+ ports, 4 SFP+ 10GbE ports, and a 1 port expansion module slot, supporting up to 6 SFP+ ports or 2 1/10GBASE-T ports with an optional module. The device operates within a voltage range of 100-240 V ac, has a maximum power consumption of 670 W, and offers a PoE power budget of 1440 W PoE+.

Key Feature for the JH326A

  • What are the physical dimensions of this networking hardware?
    The hardware measures 4.37 cm (1.72 in) in height (1U height), 43.99 cm (17.32 in) in width, and 46 cm (18.11 in) in depth.
  • How many RJ-45 autosensing PoE+ ports are available?
    There are 48 RJ-45 autosensing 10/100/1000 PoE+ ports.
  • What is the weight of the device?
    It weighs 12.5 kg (27.56 lb).
  • Can you expand the number of SFP+ ports on the device?
    Yes, the device supports a maximum of 6 SFP+ ports or 2 1/10GBASE-T ports with an optional module.
  • What power supply options does the device have?
    The device has 2 power supply slots and requires at least 1 power supply to operate.
  • What is the airflow direction for the fan tray?
    Airflow direction is from the front (port side) to the back (power cord side).
  • How does the device mount?
    It mounts in an EIA standard 19-inch telco rack or equipment cabinet.
  • What is the maximum heat dissipation of the device?
    Maximum heat dissipation is 2286 BTU/hr (2411.73 kJ/hr).
  • What are the operating temperature ranges?
    Operating temperature ranges from 0°C (32°F) to 45°C (113°F).
  • What is the device's idle power consumption?
    Idle power consumption is 75 W.

Product Review

The HP JH326A offers a high-density port configuration with 48 RJ-45 autosensing 10/100/1000 PoE+ ports and four SFP+ 10GbE ports, catering to diverse network demands. However, its maximum operating temperature is limited to 45°C, which could be a constraint in high-temperature environments. Additionally, while it provides flexibility with dual power supply slots and an expansion module slot for increased connectivity, the noise level at high fan speed, reaching 66.9 dB, might be a consideration for deployments in noise-sensitive areas.


The HP JH326A is a high-performance networking switch designed to meet the demands of modern enterprise networks. This switch offers a comprehensive range of features, including multiple I/O ports and slots, dual power supply slots, and efficient cooling mechanisms, all within a compact 1U form factor. With dimensions measuring 4.37 cm in height, 43.99 cm in width, and 46 cm in depth, and weighing 12.5 kg, the HP JH326A fits easily into standard 19-inch telco racks or equipment cabinets, making it an adaptable solution for a variety of networking environments. Its design facilitates efficient space utilization in data centers and networking closets. The device is equipped with 48 RJ-45 autosensing 10/100/1000 PoE+ ports, supporting various network speeds and providing power over Ethernet plus (PoE+) capabilities. This enables the switch to power connected devices such as VoIP phones, wireless access points, and surveillance cameras directly through the network cables, simplifying infrastructure and reducing cable clutter. Additionally, the switch features four SFP+ 10GbE ports for high-speed connections and uplinks, as well as one port expansion module slot for further connectivity options. This slot supports a maximum of six SFP+ ports or two 1/10GBASE-T ports with an optional module, offering flexibility in network design and expansion. Power efficiency is a key aspect of the HP JH326A, with two power supply slots and a minimum of one power supply required for operation. It operates on a voltage range of 100 - 240 V ac, with a maximum power rating of 670 W and an idle power consumption of 75 W. The switch also provides up to 1440 W of PoE+ power, sufficient for powering numerous devices across the network. Heat dissipation is managed effectively, with a maximum output of 2286 BTU/hr, ensuring that the switch operates within optimal temperature ranges of 0°C to 45°C. The HP JH326A also focuses on environmental adaptability, with an operating relative humidity range of 10% to 90%, non-condensing, and a non-operating/storage temperature range of -40°C to 70°C. These specifications ensure reliable performance under various environmental conditions. Notably, the switch's fan tray supports airflow from the front (port side) to the back (power cord side), contributing to its efficient cooling system. This is essential for maintaining performance and longevity in high-demand networking environments. The acoustic levels vary with fan speed, ranging from 57.6 dB in low-speed mode to 66.9 dB in high-speed mode, balancing noise with cooling requirements. Key features include:
  • 48 RJ-45 autosensing 10/100/1000 PoE+ ports
  • 4 SFP+ 10GbE ports and 1 port expansion module slot
  • Dual power supply slots for redundancy and efficient power management
Overall, the HP JH326A offers a versatile and efficient solution for enterprise networking needs, combining high port density, expandability, and power efficiency in a compact, rack-mountable package.


Part NumberHP JH326A
Height4.37 cm (1U)
Width43.99 cm (17.32 in)
Depth46 cm (18.11 in)
Weight12.5 kg
Ports48 RJ-45 autosensing 10/100/1000 PoE+ ports, 4 SFP+ 10GbE ports, 1 expansion slot
Expansion OptionsUp to 6 SFP+ or 2 1/10GBASE-T ports with optional module
Power Supply Slots2, with at least one required
Fan AirflowFrom front to back
MountingCompatible with 19-inch EIA standard racks
Frequency50/60 Hz
Heat Dissipation2286 BTU/hr max, varies by power supply
Voltage100 - 240 V ac (rated), -48 to -60 V dc (rated)
Maximum Power670 W
Idle Power75 W
PoE Budget1440 W
Operating Temperature Range0°C to 45°C
Operating Humidity Range10% to 90%, noncondensing
Storage Temperature Range-40°C to 70°C
Storage Humidity Range5% to 95%, noncondensing
Acoustic Noise57.6 dB (low speed), 66.9 dB (high speed)

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