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PSM4 transceiver delivered strong 100Gb performance.
Q8J73A
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HPE MSERIES 100GBE QSFP28 PSM4 500M XCVR PL-2L
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Q8J73A
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- 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.