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Overview
The HP J9728A is a versatile networking switch designed to meet the demands of modern business networks. It features a comprehensive range of ports and slots to accommodate various network configurations and expansion needs. The switch includes 44 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, ensuring compatibility with a wide range of network devices. These ports offer half or full duplex operation at 10BASE-T/100BASE-TX and full duplex operation at 1000BASE-T. Additionally, the switch is equipped with 4 RJ-45 dual-personality 10/100/1000 ports, providing flexibility for uplink or additional network connection options.
The HP J9728A also includes two module slots for expansion, one stacking module slot for scalability, and one dual-personality (RJ-45 or USB micro-B) port for versatile connectivity options. For management and configuration, there is one USB 1.1 port and one RJ-45 out-of-band management port. The switch is designed to operate efficiently under a wide range of environmental conditions, with an operating temperature range of 0° to 55°C (32° to 131°F) and a non-operating/storage temperature range of -40° to 70°C (-40° to 158°F). It can also function at altitudes of up to 3 km (10,000 ft), making it suitable for deployment in various geographical locations.
- Power efficiency is a key feature of the HP J9728A, with 80plus.org Silver certification indicating a high level of energy efficiency. The switch has a maximum power rating of 70 W, an idle power consumption of 27 W, and a maximum heat dissipation of 252.15 kJ/hr (239 BTU/hr).
- The included J9739A power supply ensures reliable power delivery to the switch, supporting the full range of its performance capabilities.
- Performance metrics include a 100 Mb latency of less than 9.0 µs (FIFO 64-byte packets), a 1000 Mb latency of less than 3.3 µs (FIFO 64-byte packets), and a 10 Gbps latency of less than 3.2 µs (FIFO 64-byte packets), ensuring fast and efficient data transfer across the network.
Specs
| Product Number | HP J9728A |
| Manufacturer | HP |
| Connectivity | 44 auto-detecting 10/100/1000Base-T RJ-45 ports; half/full duplex for 10/100Base-T, full duplex for 1000Base-T |
| Additional Ports | 4 adjustable 10/100/1000Base-T RJ-45 ports |
| Expansion Slots | 2 for additional modules |
| Stacking Capability | 1 dedicated slot for stacking modules |
| Interface Flexibility | 1 port supporting either RJ-45 or USB micro-B connections |
| USB Port | 1 standard USB 1.1 port for maintenance |
| Management Port | 1 RJ-45 port for out-of-band management |
| Operating Temperature Range | From 0°C to 55°C (32°F to 131°F) |
| Operating Humidity Range | 15% to 95% non-condensing |
| Storage Temperature Range | From -40°C to 70°C (-40°F to 158°F) |
| Storage Humidity Range | 15% to 95% non-condensing |
| Maximum Operating Altitude | Up to 3,000 meters (10,000 feet) |
| Acoustic Emissions | Power: 57 dB; Pressure: 41.8 dB |
| Electrical Frequency | 50/60 Hz |
| Efficiency Certification | Silver by 80plus.org |
| Heat Dissipation | 252.15 kJ/hr (239 BTU/hr) |
| Input Voltage Range | 100 to 240 VAC |
| Power Consumption (Maximum) | 70 Watts |
| Power Consumption (Idle) | 27 Watts |
| Power Supply Slots | 1 slot for power supply units |
| Minimum Power Supply Requirement | 1 unit required |
| Included Power Supply | 1 x J9739A (HP X331 165W 100-240VAC to 12VDC Modular Power Supply) |
| Latency (100 Mb) | Less than 9.0 microseconds for 64-byte packets |
| Latency (1 Gb) | Less than 3.3 microseconds for 64-byte packets |
| Latency (10 Gb) | Less than 3.2 microseconds for 64-byte packets |
J9728A
Original price
$0.00
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Original price
$255.00
Original price
$255.00
$0.00
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$255.00
Current price
$255.00
Orders typically ship within 1-3 Business days, if you need an item to ship sooner please contact us.
Product Description
The J9728A HP features 44 RJ-45 autosensing 10/100/1000 ports and 4 RJ-45 dual-personality 10/100/1000 ports, supporting IEEE standards 802.3 Type 10BASE-T, IEEE 802.3u Type 100BASE-TX, and IEEE 802.3ab Type 1000BASE-T, with duplex settings that vary based on speed. It operates within a temperature range of 0° to 55°C and a humidity range of 15% to 95%, non-condensing, ensuring reliability across diverse environmental conditions. The device boasts a maximum power rating of 70 W, an idle power of 27 W, and includes a J9739A power supply, with performance latency as low as <3.2 µs for 10 Gbps traffic, optimizing efficiency and network performance.Key Feature for the J9728A
- What types of ports are available on this device for Ethernet connectivity?
- The device includes 44 RJ-45 autosensing 10/100/1000 ports, 4 RJ-45 dual-personality 10/100/1000 ports, 1 dual-personality (RJ-45 or USB micro-B) port, and 1 RJ-45 out-of-band management port.
- How does the device handle different Ethernet speeds and duplex modes?
- 10BASE-T/100BASE-TX ports support half or full duplex, while 1000BASE-T ports operate in full duplex only.
- Are there any expansion options available?
- Yes, the device offers 2 module slots for expansion and 1 stacking module slot.
- What USB connectivity options does the device provide?
- It provides 1 dual-personality (RJ-45 or USB micro-B) port and 1 USB 1.1 port.
- What are the operating temperature and humidity ranges for the device?
- The operating temperature is 0° to 55°C (32° to 131°F) and the operating relative humidity is 15% to 95%, noncondensing.
- Can the device be used in high-altitude environments?
- Yes, it is designed to operate at altitudes up to 3 km (10,000 ft).
- What are the power requirements and consumption for this device?
- The device requires 100 to 240 V ac, with a maximum power rating of 70 W, idle power of 27 W, and includes a J9739A power supply.
- What is the device's performance in terms of latency?
- Latency is < 9.0 µs for 100 Mb, < 3.3 µs for 1000 Mb, and < 3.2 µs for 10 Gbps, for FIFO 64-byte packets.
- How is the device's acoustic noise measured?
- Acoustic Power is measured at 57 dB and Pressure at 41.8 dB.
- What certifications does the power supply have?
- The included power supply, J9739A, is 80plus.org Silver certified.
Product Review
The HP J9728A offers a comprehensive range of connectivity options, including 44 RJ-45 autosensing 10/100/1000 ports and additional modular slots, catering well to varied networking needs. However, its power efficiency, marked by an 80 Plus Silver certification, is offset by a relatively high idle power consumption of 27W, which could impact operational costs in large-scale deployments. Noise levels, with an acoustic power of 57 dB, may also be a consideration in environments where low noise is preferred.
Overview
The HP J9728A is a versatile networking switch designed to meet the demands of modern business networks. It features a comprehensive range of ports and slots to accommodate various network configurations and expansion needs. The switch includes 44 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, ensuring compatibility with a wide range of network devices. These ports offer half or full duplex operation at 10BASE-T/100BASE-TX and full duplex operation at 1000BASE-T. Additionally, the switch is equipped with 4 RJ-45 dual-personality 10/100/1000 ports, providing flexibility for uplink or additional network connection options.
The HP J9728A also includes two module slots for expansion, one stacking module slot for scalability, and one dual-personality (RJ-45 or USB micro-B) port for versatile connectivity options. For management and configuration, there is one USB 1.1 port and one RJ-45 out-of-band management port. The switch is designed to operate efficiently under a wide range of environmental conditions, with an operating temperature range of 0° to 55°C (32° to 131°F) and a non-operating/storage temperature range of -40° to 70°C (-40° to 158°F). It can also function at altitudes of up to 3 km (10,000 ft), making it suitable for deployment in various geographical locations.
- Power efficiency is a key feature of the HP J9728A, with 80plus.org Silver certification indicating a high level of energy efficiency. The switch has a maximum power rating of 70 W, an idle power consumption of 27 W, and a maximum heat dissipation of 252.15 kJ/hr (239 BTU/hr).
- The included J9739A power supply ensures reliable power delivery to the switch, supporting the full range of its performance capabilities.
- Performance metrics include a 100 Mb latency of less than 9.0 µs (FIFO 64-byte packets), a 1000 Mb latency of less than 3.3 µs (FIFO 64-byte packets), and a 10 Gbps latency of less than 3.2 µs (FIFO 64-byte packets), ensuring fast and efficient data transfer across the network.
Specifications
| Product Number | HP J9728A |
| Manufacturer | HP |
| Connectivity | 44 auto-detecting 10/100/1000Base-T RJ-45 ports; half/full duplex for 10/100Base-T, full duplex for 1000Base-T |
| Additional Ports | 4 adjustable 10/100/1000Base-T RJ-45 ports |
| Expansion Slots | 2 for additional modules |
| Stacking Capability | 1 dedicated slot for stacking modules |
| Interface Flexibility | 1 port supporting either RJ-45 or USB micro-B connections |
| USB Port | 1 standard USB 1.1 port for maintenance |
| Management Port | 1 RJ-45 port for out-of-band management |
| Operating Temperature Range | From 0°C to 55°C (32°F to 131°F) |
| Operating Humidity Range | 15% to 95% non-condensing |
| Storage Temperature Range | From -40°C to 70°C (-40°F to 158°F) |
| Storage Humidity Range | 15% to 95% non-condensing |
| Maximum Operating Altitude | Up to 3,000 meters (10,000 feet) |
| Acoustic Emissions | Power: 57 dB; Pressure: 41.8 dB |
| Electrical Frequency | 50/60 Hz |
| Efficiency Certification | Silver by 80plus.org |
| Heat Dissipation | 252.15 kJ/hr (239 BTU/hr) |
| Input Voltage Range | 100 to 240 VAC |
| Power Consumption (Maximum) | 70 Watts |
| Power Consumption (Idle) | 27 Watts |
| Power Supply Slots | 1 slot for power supply units |
| Minimum Power Supply Requirement | 1 unit required |
| Included Power Supply | 1 x J9739A (HP X331 165W 100-240VAC to 12VDC Modular Power Supply) |
| Latency (100 Mb) | Less than 9.0 microseconds for 64-byte packets |
| Latency (1 Gb) | Less than 3.3 microseconds for 64-byte packets |
| Latency (10 Gb) | Less than 3.2 microseconds for 64-byte packets |