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by Hp
Product Line: Hp 5940 Series
Product Type: Switch
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Original price $0.00 - Original price $0.00
Original price
$0.00 - $0.00
Current price $0.00
Title: Surplus

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Product Description

The JH394A HP features 48 1/10GBASE-T ports and 6 QSFP+ 40GbE ports for high-density, high-speed networking, supplemented by additional connectivity options including 1 RJ-45 and 1 Mini USB 2.0 serial console port, 1 RJ-45 out-of-band management port, and 1 USB 2.0 port. It is equipped with 2 power supply slots, requiring a minimum of one, and 2 fan tray slots to ensure system stability and reliability. The device operates within a temperature range of 32°F to 113°F (0°C to 45°C) and a relative humidity range of 10% to 90%, noncondensing, with a maximum power consumption of 270W and a maximum heat dissipation of 912 BTU/hr (962.21 kJ/hr).

FAQs for the JH394A

  • What are the available I/O ports and slots on this networking hardware?
    The hardware includes 48 1/10GBASE-T ports, 6 QSFP+ 40GbE ports, 1 RJ-45 and 1 Mini USB 2.0 serial console port, 1 RJ-45 out-of-band management port, and 1 USB 2.0 port.
  • How many power supply slots does the device have?
    It has 2 power supply slots, with at least 1 power supply required for operation.
  • Can you detail the device's physical dimensions?
    The device measures 17.32 inches in width, 25.98 inches in depth, and 1.72 inches in height.
  • What is the shipping weight of the device?
    The device has a shipping weight of 28.66 lb (13 kg).
  • What environmental conditions are required for optimal operation?
    It operates optimally between 32°F and 113°F with a relative humidity range of 10% to 90%, noncondensing.
  • How does the device manage thermal output?
    It dissipates up to 912 BTU/hr (962.21 kJ/hr) to manage thermal output efficiently.
  • What are the device's power requirements?
    The device requires a voltage of -40 to -60 VDC, with a maximum power rating of 270W. It supports AC voltages between 100 and 240 VAC.
  • What type of cooling system is integrated into the device?
    The device includes 2 fan tray slots for its cooling system.
  • What are the acoustic levels for the device?
    The acoustic levels are 65 dB at low speed and 78 dB at high speed.
  • How does the device's operational frequency range affect its compatibility?
    It operates within a frequency range of 50 to 60 Hz, making it compatible with most global power standards.

Product Review

The HP JH394A offers a strong selection of connectivity options, including 48 1/10GBASE-T ports and 6 QSFP+ 40GbE ports, catering well to high-density networking requirements. However, its operational noise levels, with a high-speed setting reaching up to 78 dB, could pose a challenge in quieter working environments. The dual power supply and fan tray slots enhance redundancy and reliability, but the power consumption peaking at 270W and substantial heat dissipation may necessitate careful thermal management in densely packed data centers.


The HP JH394A is a high-performance networking switch designed to meet the demands of modern data centers and large enterprise networks. It features a comprehensive set of specifications that cater to high-speed connectivity, efficient power management, and environmental adaptability, making it a versatile choice for various networking scenarios. At the core of its capabilities are the I/O ports and slots, which include 48 1/10GBASE-T ports, providing flexible and high-speed connections for a wide range of devices. Additionally, the switch is equipped with 6 QSFP+ 40GbE ports, further extending its capacity for high-bandwidth connections and making it suitable for aggregating traffic from multiple devices or facilitating high-speed links between network segments. For management and configuration, the HP JH394A offers a variety of ports including one RJ-45 and one Mini USB 2.0 serial console port for direct device interaction, alongside an RJ-45 out-of-band management port for remote management capabilities. Furthermore, a USB 2.0 port is available for storage or firmware updates, enhancing the switch's flexibility in deployment and maintenance scenarios. Power efficiency and hardware reliability are also key features of the HP JH394A, with two power supply slots and a requirement for at least one power supply to operate. This redundancy ensures continuous operation even in the event of a power supply failure. The switch also includes two fan tray slots, contributing to its thermal management system and ensuring that the device operates within the optimal temperature range of 32°F to 113°F, with a relative humidity tolerance of 10% to 90% non-condensing. The physical dimensions of the switch are 17.32 inches in width, 25.98 inches in depth, and 1.72 inches in height, with a shipping weight of 28.66 lb, making it a compact yet durable option for rack-mounted installations. Despite its compact size, the device is capable of operating in a broad range of environmental conditions, from a minimum operating temperature of 32°F to a maximum of 113°F, and can function in environments with up to 90% non-condensing humidity. In terms of power specifications, the HP JH394A operates within a voltage range of -40 to -60 VDC, with a maximum power rating of 270W. It can accommodate AC voltages from 100 VAC to 240 VAC, with a frequency range of 50 Hz to 60 Hz, and has a maximum heat dissipation of 912 BTU/hr. These specifications ensure that the switch can be deployed in various power environments while maintaining efficient power usage.
  • 48 1/10GBASE-T ports and 6 QSFP+ 40GbE ports for high-speed networking
  • Dual power supplies and fan trays for reliability and thermal management
  • Comprehensive management ports for flexible deployment and maintenance
With its advanced features and specifications, the HP JH394A is engineered to support the most demanding network environments, offering high-speed connectivity, efficient power management, and a robust set of management features for comprehensive network control.


Part Number HP JH394A
Input/Output Interfaces 48 ports for 1/10GBASE-T
40GbE Interface 6 QSFP+ ports
Console Interface 1 RJ-45, 1 Mini USB 2.0 serial console port
Management Interface 1 RJ-45 out-of-band management port
USB Interface 1 USB 2.0 port
Power Supply Slots 2 slots, 1 required minimum
Fan Tray Slots 2 slots
Width 17.32 inches (44 cm)
Depth 25.98 inches (66 cm)
Height 1.72 inches (4.36 cm)
Shipping Weight 28.66 lbs (13 kg)
Minimum Operating Temperature 32°F (0°C)
Maximum Operating Temperature 113°F (45°C)
Minimum Humidity 10% non-condensing
Maximum Humidity 90% non-condensing
Acoustic Noise 65 dB in low-speed, 78 dB in high-speed operation
Frequency Range 50 Hz to 60 Hz
Heat Dissipation 912 BTU/hr (962.21 kJ/hr)
DC Voltage Range -40 to -60 VDC, rated
Maximum Power Consumption 270W
Minimum AC Voltage 100 VAC
Maximum AC Voltage 240 VAC

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