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PSM4 transceiver delivered strong 100Gb performance.
Q8J73A
HPE MSERIES 100GBE QSFP28 PSM4 500M XCVR PL-2L
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Q8J73A
- Description:
- HPE MSERIES 100GBE QSFP28 PSM4 500M XCVR PL-2L
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Q8J73A Overview
Q8J73A is a high-performance SFP transceiver designed for 10G Ethernet applications using an LC connector. It supports short-range transmission over multi-mode fiber and is optimized for data centers, enterprise networks, and telecom environments, delivering reliable connectivity with low latency.
This module features a compact form factor with precise physical dimensions that enable high-density deployments. In addition to its efficient power consumption and robust operating temperature range, Q8J73A adheres to industry-standard protocols, ensuring seamless compatibility with major networking equipment vendors.
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Q8J73A Specifications
- Product Type
- Transceiver
- Form Factor
- SFP
- Data Rate
- 10G
- Connector Type
- LC
- Wavelength
- 850 nm
- Transmission Distance
- Short-Range
- Fiber Type
- Multi-mode
- Max Distance
- 300 meters
- Supported Protocols
- Ethernet
- Network Interface
- Fiber
- Power Consumption
- 3.5W
- Operating Temperature
- 0 to 70°C
- Storage Temperature
- -40 to 85°C
- Input Voltage
- 3.3V
- Compatibility
- Cisco, Juniper, Huawei, Arista
- Product Name
- Q8J73A 10G SFP Transceiver
- Height
- 0.7 inches
- Width
- 0.8 inches
- Depth
- 1.2 inches
- Weight
- 0.2 lbs
Q8J73A Use Case
Hyperscale Data Center Spine-Leaf Fabric Uplinks
In a hyperscale data center, IT architects deploy the Q8J73A-HPE MSERIES 100GbE QSFP28 PSM4 500m transceiver in spine-leaf switches to handle massive east-west traffic. Leveraging existing single-mode parallel fiber, this solution delivers deterministic 100GbE throughput at sub-microsecond latency across 500 meters. Benefit: boosts inter-rack bandwidth by up to 40%, reduces oversubscription, simplifies cable management and future-proofs high-density network expansions.
Metro Data Center Interconnect for Disaster Recovery
Enterprises connect primary and secondary data centers within a metro campus using the Q8J73A-HPE 100GbE QSFP28 PSM4 500 m transceiver over parallel single-mode fiber. This cost-effective, plug-and-play link supports real-time data replication and backup at full line rate without media conversion. Outcome: achieves sub-5 ms RPO/RTO targets, lowers CAPEX by avoiding DWDM upgrades and streamlines DR testing with standardized optics.
5G C-RAN Fronthaul Connectivity in Edge Networks
Telecom operators implement the Q8J73A-HPE MSERIES 100GbE QSFP28 PSM4 500 m transceiver to link centralized baseband units (BBUs) with remote radio heads (RRHs) over parallel single-mode fiber in urban 5G sites. The ultra-low latency, high-density 100GbE link ensures seamless C-RAN fronthaul performance under peak traffic. Benefit: delivers consistent sub-200 µs latency, simplifies site fiber infrastructure and accelerates 5G service roll-out with standardized, cost-efficient optics.
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table 
| Q8J73A |  C8S75B |  N9X02A |  AJ715A |  455883-B21 | |
|---|---|---|---|---|---|
| Product Type | Transceiver | Transceiver | Transceiver | Transceiver | Transceiver |
| Form Factor | SFP | SFP+ | SFP+ | SFP+ | SFP |
| Data Rate | 10G | 10G | 10G | 10G | 10G |
| Connector Type | LC | LC | LC | LC | LC |
| Wavelength | 850 nm | 850nm | 850nm | 1310 nm | N/A |
| Transmission Distance | Short-Range | Short-Range | Short-Range | Long-Range | Short-Range |
| Fiber Type | Multi-mode | Multi-mode | Multi-mode | Single-mode | Multi-mode |
| Max Distance | 300 meters | 300m | 300 meters | 10 km | 300 meters |
| Supported Protocols | Ethernet | Ethernet | Ethernet | Ethernet | Ethernet, Fibre Channel |
| Network Interface | Fiber | Fiber | Fiber | Fiber | Fiber |
| Power Consumption | 3.5W | 3.5W | 3.0W | 2.0 W | N/A |
| Operating Temperature | 0 to 70°C | 0 to 70°C | 0 to 70°C | 0 to 70°C | 0 to 70°C |
| Storage Temperature | -40 to 85°C | -40 to 85°C | -40 to 85°C | -40 to 85°C | -40 to 85°C |
| Input Voltage | 3.3V | 3.3V | 3.3V | 3.3V | 3.3V |
| Compatibility | Cisco, Juniper, Huawei, Arista | Cisco / Juniper / Huawei / Arista | Cisco / Juniper / Huawei / Arista | Cisco / Juniper / Huawei / Arista | Cisco, Juniper, Huawei |
| Product Name | Q8J73A 10G SFP Transceiver | C8S75B 10G SFP+ Multi-mode Transceiver | N9X02A 10G SFP+ Transceiver | AJ715A 10G SFP+ Transceiver | 455883-B21 10G SFP Transceiver Module |
| Height | 0.7 inches | 0.33 inches | 0.97 inches | 0.5 inches | N/A |
| Width | 0.8 inches | 3.26 inches | 1.38 inches | 0.8 inches | N/A |
| Depth | 1.2 inches | 1.18 inches | 0.42 inches | 1.2 inches | N/A |
| Weight | 0.2 lbs | 0.10 lbs | 0.3 lbs | 0.1 lbs | N/A |
Reviews & Ratings
A
Alberto Costa
5
Low error rates and stable link.
R
Ryan Mitchell
4
Plug and play reliability.
S
Soren Bak
5
Enterprise grade optics.
M
Mateo Alvarez
4
Excellent value.
Questions & Answers
What is the HPE MSERIES 100GbE QSFP28 PSM4 500m XCVR PL-2L (SKU Q8J73A)?
The HPE MSERIES 100GbE QSFP28 PSM4 500m XCVR PL-2L (SKU Q8J73A) is a standards-compliant, hot-pluggable optical module designed for high-density 100GbE links over single-mode fiber up to 500 meters.
Which fiber type does the Q8J73A transceiver support?
The Q8J73A transceiver supports single-mode fiber (SMF) using a parallel SMF MPO connector to achieve 100GbE transmission up to 500 meters.
What applications are ideal for the HPE MSERIES QSFP28 PSM4 500m module?
This transceiver is ideal for data center interconnects, high-performance computing clusters, and spine-leaf architectures requiring cost-effective 100GbE links up to 500m on single-mode fiber.
What is the maximum reach of the HPE Q8J73A optical module?
The HPE Q8J73A PSM4 transceiver delivers reliable 100GbE performance over single-mode fiber spans up to 500 meters.
What data rate does the HPE MSERIES QSFP28 PSM4 500m XCVR support?
The HPE MSERIES QSFP28 PSM4 500m XCVR supports a full-duplex aggregate data rate of 103.125 Gbps, compliant with IEEE 802.3bm 100GbE standards.
Is the SKU Q8J73A transceiver hot-swappable?
Yes, the HPE Q8J73A QSFP28 PSM4 500m transceiver is hot-pluggable, allowing insertion or removal without powering down the host device.
What form factor does the HPE MSERIES 100GbE PSM4 XCVR use?
The HPE MSERIES PSM4 uses the QSFP28 (Quad Small Form-Factor Pluggable 28) form factor for high-density 100GbE deployments.
Does the PL-2L transceiver support digital diagnostic monitoring (DDM)?
Yes, the HPE MSERIES Q8J73A transceiver includes Digital Diagnostic Monitoring (DDM) for real-time monitoring of optical power, temperature, and voltage.
What is the operating temperature range of the HPE Q8J73A module?
The HPE Q8J73A operates reliably in a temperature range of 0 °C to 70 °C (32 °F to 158 °F) ambient.
How do I install the HPE 100GbE QSFP28 PSM4 transceiver?
Align the QSFP28 module with the host port, insert it gently until it clicks, and verify link status via the switch’s management interface.
What is the typical power consumption of the HPE MSERIES QSFP28 PSM4 500m transceiver?
The Q8J73A module consumes less than 3.5 W under typical operating conditions, optimizing data center power budgets.
Which HPE switches are compatible with the Q8J73A transceiver?
The Q8J73A is validated for use with HPE Aruba CX 6000/8325/8400 series and HPE FlexNetwork 10500/5930 series switches.
What warranty covers the HPE MSERIES 100GbE QSFP28 PSM4 500m module?
The HPE Q8J73A transceiver is backed by HPE’s limited lifetime warranty when used in an HPE-supported system.
How can I verify the authenticity of SKU Q8J73A?
Check the serial number and HPE hologram label on the packaging and validate them on the HPE support portal to confirm authenticity.
Can the HPE MSERIES QSFP28 PSM4 500m module be used in multi-vendor environments?
Yes, the Q8J73A is IEEE 802.3bm-compliant and interoperable with any standards-based 100GbE QSFP28 PSM4 port from other vendors.
How do I troubleshoot link issues with the Q8J73A transceiver?
Verify fiber cleanliness, confirm MPO polarity, check DDM diagnostics for power levels, and ensure both ends use compatible PSM4 modules.