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by Hp
Product Line: HP 3500 Series Switches
Product Type: Switches
Original price $0.00 - Original price $354.00
Original price
$0.00 - $354.00
Current price $354.00
Title: Used

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Product Description

The J9311A HP 3500-48G-PoE+ yl Switch features dimensions of 4.4 cm (H) x 44.3 cm (W) x 43.0 cm (D) and weighs 7.05 kg, designed for EIA-standard 19 in. rack or equipment cabinet mounting. It offers a routing/switching capacity of 149.8 Gb/s and supports 44 autosensing 10/100/1000 ports, 4 dual-personality ports, and up to 4 10-GbE ports, with a maximum throughput of 111.5 Mp/s. The switch operates within a temperature range of 0°C to 55°C, supports PoE power of 398 W, and has a maximum power rating of 638W, making it suitable for high-density, power-intensive deployments.

Key Feature for the J9311A

  • What are the physical dimensions of the HP 3500-48G-PoE+ yl Switch?
    The HP 3500-48G-PoE+ yl Switch has dimensions of 4.4 cm in height, 44.3 cm in width, and 43.0 cm in depth.
  • How much power does the device consume when idle?
    The device consumes 132W of power when idle.
  • Can the HP 3500-48G-PoE+ yl Switch be mounted in any rack?
    It mounts in an EIA-standard 19 in. telco rack or equipment cabinet, with hardware included for horizontal surface mounting only.
  • What is the maximum power rating of the HP 3500-48G-PoE+ yl Switch?
    The maximum power rating of the switch is 638W.
  • What are the operating temperature and humidity ranges for the HP 3500-48G-PoE+ yl Switch?
    The operating temperature is 0°C to 55°C (32°F to 131°F), and 40°C (32°F to 104°F) when used with any SFP+ 10-GbE. The operating relative humidity is 15% to 95% at 40°C (104°F) noncondensing.
  • What type of I/O ports and slots does the HP 3500-48G-PoE+ yl Switch have?
    It has 44 autosensing 10/100/1000 ports, 1 RJ-45 serial console port, 4 dual-personality ports, and supports a maximum of 4 10-GbE ports.
  • What is the routing/switching capacity of the HP 3500-48G-PoE+ yl Switch?
    The routing/switching capacity is 149.8 Gb/s.
  • What are the storage temperature and humidity conditions recommended for the HP 3500-48G-PoE+ yl Switch?
    Nonoperating/Storage temperature ranges from -40°C to 70°C (-40°F to 158°F), and the nonoperating/storage relative humidity is 15% to 90% at 65°C (149°F) noncondensing.
  • How much does the HP 3500-48G-PoE+ yl Switch weigh?
    The switch weighs 7.05 kg (15.54 lb).
  • What is the PoE power available on the HP 3500-48G-PoE+ yl Switch?
    The PoE power available is 398 W.

Product Review

The HP J9311A 3500-48G-PoE+ yl Switch offers a commendable routing/switching capacity of 149.8 Gb/s, catering to high-bandwidth requirements efficiently. However, its power consumption at idle state is 132W, which might be considered high for energy-conscious setups. Additionally, the switch's versatility is highlighted by its support for up to 4 10-GbE ports and PoE capabilities, although the operational noise level at 55.6 dB could be a drawback for environments where noise is a concern.


The HP J9311A, also known as the HP 3500-48G-PoE+ yl Switch, is designed for efficiency and performance, catering to the demands of modern networks. This switch stands out with its hardware specifications, tailored for enterprises requiring reliable, high-speed network connectivity along with Power over Ethernet (PoE) capabilities. Measuring 4.4 cm in height, 44.3 cm in width, and 43.0 cm in depth, and weighing 7.05 kg, the HP J9311A is compact enough for easy installation in standard 19-inch telco racks or equipment cabinets. Its design supports horizontal surface mounting, providing flexibility in deployment. The switch operates within an AC voltage range of 100-127/200-240 V ac, accommodating a broad spectrum of power supplies. It draws a current of 7.3/3.3 A, with an idle power consumption of 132W and a maximum power rating of 638W. PoE power is substantial at 398 W, facilitating the operation of PoE-enabled devices without the need for separate power sources. Environmental conditions for the HP J9311A's operation range from 0°C to 55°C, with a tolerance for up to 40°C when using any SFP+ 10-GbE modules. It can withstand non-operating temperatures from -40°C to 70°C and operates reliably in relative humidity conditions from 15% to 95%. Noise levels are kept at a minimum with a power sound level of 55.6 dB and a pressure level of 45.3 dB, ensuring a quiet operational environment. The maximum heat dissipation is rated at 1144 BTU/hr, reflecting its efficiency in handling power and thermal management. Key hardware features include:
  • Routing/Switching capacity of 149.8 Gb/s, supporting high-speed data transfer and network efficiency.
  • 44 autosensing 10/100/1000 ports with Auto-MDIX and duplex settings, alongside 1 RJ-45 serial console port, providing flexible connectivity options for a variety of devices and network configurations.
  • 4 dual-personality ports, each capable of functioning as either an RJ-45 10/100/1000 port with PoE or an open mini-GBIC slot, enhancing the switch's versatility in connecting to different network mediums.
Additionally, the switch supports up to 4 10-GbE ports, catering to networks requiring high bandwidth connections for applications such as video streaming, large-scale data transfers, and high-speed connectivity to storage networks. With a throughput of up to 111.5 Mp/s, it ensures efficient handling of network traffic, minimizing bottlenecks and enhancing overall network performance. The HP J9311A is engineered to meet the needs of enterprise networks, offering a blend of performance, reliability, and scalability. Its comprehensive feature set, combined with its power efficiency and environmental tolerance, makes it a suitable choice for organizations looking to upgrade or expand their network infrastructure with a future-proof solution.


Part NumberHP J9311A
Height4.4 cm (1.73 inches)
Width44.3 cm (17.44 inches)
Depth43.0 cm (16.93 inches)
Weight7.05 kg (15.54 lbs)
Product TypeHP 3500-48G-PoE+ yl Switch
Data Transfer Capacity149.8 Gbps
InstallationCompatible with EIA-standard 19-inch racks or cabinets; only horizontal placement
Power Frequency50/60 Hz
Heat Output1144 BTU/hour (1206.9 kJ/hour)
Input Voltage100-127/200-240 V AC
Electrical Current7.3/3.3 A
Power Consumption (Idle)132W
Power Consumption (Max)638W
Power over Ethernet (PoE) Budget398 W
Operational Temperature Range0°C to 55°C (32°F to 131°F); max 40°C (104°F) with SFP+ 10-GbE
Humidity Range (Operating)Up to 95% at 40°C (104°F), non-condensing
Temperature Range (Non-operating)-40°C to 70°C (-40°F to 158°F)
Humidity Range (Non-operating)Up to 90% at 65°C (149°F), non-condensing
Acoustic NoisePower: 55.6 dB, Pressure: 45.3 dB
Input/Output Ports44 auto-detect 10/100/1000 ports; supports half/full duplex, auto-MDIX; full duplex for Gigabit
Console Port1 RJ-45 serial
Flexible Ports4 dual-purpose ports - RJ-45 or mini-GBIC slot
10-GbE Port SupportUp to 4 ports
Data ThroughputMaximum 111.5 Mpps
Switching Capacity149.8 Gbps

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