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by Hp
Product Line: HP J9576A
Product Type: switch
Sold out
Original price $0.00 - Original price $680.00
Original price
$0.00 - $680.00
Current price $0.00
Title: Surplus

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Product Description

The J9576A HP switch features 48 x RJ-45 autosensing 10/100/1000 ports supporting IEEE 802.3 Type 10BASE-T, IEEE 802.3u Type 100BASE-TX, and IEEE 802.3ab Type 1000BASE-T standards, with duplex modes of half or full for 10BASE-T/100BASE-TX and full only for 1000BASE-T, alongside 4 x fixed 1000/10000 SFP+ ports, a RJ-45 serial console port, an out-of-band management port, and a stacking module slot. It is designed for rack mounting with dimensions of 46.74 cm width, 44.27 cm depth, and 4.32 cm height (1U), and weighs 7.26 kg. The unit is powered by a J9581A (HP X311 400 W 100-240 V ac to 12 V dc power supply), with a maximum heat dissipation of 635 BTU/hr, operating at a voltage range of 100-127/200-240 V ac, and an idle power consumption of 70 W.

Key Feature for the J9576A

  • What are the types of ports available on this device?
    This device includes 48 RJ-45 autosensing 10/100/1000 ports, 4 fixed 1000/10000 SFP+ ports, one RJ-45 serial console port, one RJ-45 out-of-band management port, and a stacking module slot.
  • How does the duplex setting work for the 10BASE-T/100BASE-TX and 1000BASE-T ports?
    The 10BASE-T/100BASE-TX supports half or full duplex, while the 1000BASE-T ports support full duplex only.
  • What are the dimensions and weight of the device?
    The device measures 46.74 cm in width, 44.27 cm in depth, 4.32 cm in height (1U height), and weighs 7.26 kg.
  • What power supply unit is used with this device?
    The device uses a J9581A (HP X311 400 W 100-240 V ac to 12 V dc power supply).
  • What is the maximum heat dissipation of this networking hardware?
    The maximum heat dissipation is 635 BTU/hr (669.93 kJ/hr).
  • What voltage does the device operate on?
    The device operates on a voltage range of 100-127/200-240 V ac.
  • What are the operating temperature and humidity ranges for the device?
    The operating temperature range is 0° to 55°C (32° to 131°F), with a maximum temperature of 45°C when transceivers are installed. The operating relative humidity range is 15% to 95% at 40°C (104°F), noncondensing.
  • What is the device's idle and maximum power rating?
    The idle power is 70 W, and the maximum power rating is 186 W.
  • Can you provide information on the nonoperating/storage temperature range?
    The nonoperating/storage temperature range is -40° to 70°C (-40° to 158°F).
  • What is included in the fan tray specifications?
    The device includes 1 x J9582A fan tray and has a slot for a fan tray.

Product Review

The HP J9576A offers a versatile range of connectivity options, including 48 RJ-45 autosensing 10/100/1000 ports and 4 fixed 1000/10000 SFP+ ports, catering to a variety of network demands. However, it operates at a maximum temperature of 45°C when transceivers are installed, which may limit its use in high-temperature environments. Additionally, with an idle power consumption of 70 W and a maximum of 186 W, it presents a moderate energy footprint, suitable for environments prioritizing energy efficiency.


The HP J9576A is a versatile networking switch designed for efficiency and high-speed connectivity. This device offers a comprehensive set of features suitable for various applications, from small businesses to large enterprise environments. At the core of the HP J9576A are 48 RJ-45 autosensing 10/100/1000 ports that support different data transmission speeds—10Mbps for IEEE 802.3 Type 10BASE-T, 100Mbps for IEEE 802.3u Type 100BASE-TX, and 1Gbps for IEEE 802.3ab Type 1000BASE-T. These ports adapt to the speed of the device connected, optimizing performance. For duplex settings, 10BASE-T/100BASE-TX supports both half and full duplex, while 1000BASE-T operates at full duplex only. Additionally, the switch features four fixed 1000/10000 SFP+ ports for high-speed network connections and fiber optic links, enhancing its flexibility for various network architectures. A dedicated RJ-45 serial console port facilitates local management, and an RJ-45 out-of-band management port offers an alternative path for device management, separate from data traffic. The inclusion of a stacking module slot underscores the device's scalability, allowing for easy expansion of network capacity.
  • Dimensions are optimized for a standard 1U rack mount, with a width of 46.74 cm, a depth of 44.27 cm, and a height of 4.32 cm.
  • The unit weight is 7.26 kg, balancing durability with ease of installation.
  • Power efficiency is evidenced by an idle power consumption of 70 W and a maximum power rating of 186 W.
The HP J9576A operates within a broad range of temperatures, from 0° to 55°C, ensuring reliability in various environments. However, it’s important to note that the maximum operating temperature decreases to 45°C when transceivers are installed. With an operating relative humidity range of 15% to 95% at 40°C, the device maintains performance in different climatic conditions. For storage, the temperature range extends from -40° to 70°C, accommodating most non-operational scenarios. This switch is equipped with a J9582A fan tray and slot, maintaining optimal internal temperatures and ensuring long-term reliability of the hardware. The power supply included is the J9581A model (HP X311 400W 100-240V ac to 12V dc), compatible with a wide range of electrical systems. It supports voltage inputs from 100-127/200-240 V ac and operates at a frequency of 50/60 Hz. Maximum heat dissipation is rated at 635 BTU/hr, equivalent to 669.93 kJ/hr, indicative of the device's energy efficiency. Overall, the HP J9576A combines high-speed connectivity, flexible management options, and energy-efficient operation, making it a solid choice for businesses looking to upgrade or expand their network infrastructure.


Item NumberHP J9576A
Interface48 x 10/100/1000Base-T RJ-45 Ethernet ports, support for IEEE 802.3, 802.3u, 802.3ab; half/full duplex on 10/100Base-TX, full duplex on 1000Base-T
Additional Ports4 x 1G/10G SFP+ slots, 1 x console port via RJ-45, 1 x RJ-45 for out-of-band management, 1 slot for stacking module
Width46.74 cm
Depth44.27 cm
Height4.32 cm
Unit Weight7.26 kg
Cooling Component1 x J9582A fan tray, slot for fan tray
Power SupplyOne J9581A (HP X311 400W, 100-240V AC to 12V DC)
Heat Output635 BTU/hr
Input Voltage Range100-127/200-240V AC
Current Rating6A at 100-127V, 3A at 200-240V
Power Consumption (Idle)70W
Maximum Power Consumption186W
Frequency50/60 Hz
Operational Temperature Range0°C to 55°C (limited to 45°C with transceivers)
Operational Humidity Range15% to 95% @ 40°C, non-condensing
Storage Temperature Range-40°C to 70°C

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