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Neil Ashford
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ER4 optics delivered reliable 40km connectivity.
Q9G82A
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Aruba 40G QSFP+ LC ER4 40km SMF XCVR
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Q9G82A
- Description:
- Aruba 40G QSFP+ LC ER4 40km SMF XCVR
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Q9G82A Overview
Q9G82A is a high-performance QSFP+ transceiver designed for 40G data transmission over long-range single-mode fiber, featuring LC connectors and precise physical dimensions engineered for dense data center environments. It supports both Ethernet and Fibre Channel protocols, making it ideal for enterprise networks, telecom infrastructures, and high-capacity data centers.
Q9G82A’s compact form factor and robust design meet the requirements of modern networking by delivering reliable connectivity with a transmission distance of up to 10 km. The transceiver’s carefully calibrated power consumption, wide operating temperature range, and compatibility with leading network equipment brands ensure efficient performance in both mission-critical applications and dynamic network deployments.
Q9G82A price is $34,701.00, a 24.7% saving from the Hpe list price of $46,102.00. Q9G82A is in stock and available for next-day dispatch. (terms applied)
Request bulk order quote for Q9G82A for additional pricing. Browse the full Aruba Switches Transceivers series or explore all Hpe products.
Q9G82A Specifications
- Product Type
- Transceiver
- Form Factor
- QSFP+
- Data Rate
- 40G
- Connector Type
- LC
- Wavelength
- 1310 nm
- Transmission Distance
- Long-Range
- Fiber Type
- Single-mode
- Max Distance
- 10 km
- Supported Protocols
- Ethernet / Fibre Channel
- Network Interface
- Fiber
- Power Consumption
- 4.5 W
- Operating Temperature
- 0 to 70°C
- Storage Temperature
- -40 to 85°C
- Input Voltage
- 3.3V
- Compatibility
- Cisco / Juniper / Huawei / Arista
- Product Name
- Q9G82A 40G QSFP+ Long-Range Transceiver
- Height
- 0.5 inches
- Width
- 0.25 inches
- Depth
- 0.3 inches
- Weight
- 0.1 lbs
Q9G82A Use Case
High-Bandwidth Cloud Data Center Interconnect with Q9G82A-Aruba 40G QSFP+ LC ER4
A global cloud service provider deploys the Q9G82A-Aruba 40G QSFP+ LC ER4 40km SMF XCVR to link two data centers separated by 30 km of single-mode fiber. Leveraging ER4 optics for 40 km reach, the solution delivers full-duplex 40 Gbps connectivity that supports live VM migrations, synchronized database replication and multi-site disaster recovery. Benefit: Scalable, low-latency intersite bandwidth that boosts cross-site application performance and reduces TCO by minimizing the number of required link upgrades.
Metro Ethernet Backbone for Telecom Operators Using Q9G82A-Aruba 40G QSFP+ LC ER4
A regional telecom carrier builds a resilient metro Ethernet ring by installing Q9G82A-Aruba 40G QSFP+ LC ER4 40km SMF XCVR modules in its aggregation switches. Covering spans up to 40 km, the ER4 optics enable 40 Gbps high-capacity links between PoPs (Points of Presence), carrying wholesale Ethernet and business VPN services. Benefit: Enhanced network uptime with optical reach optimized for long-haul spans, simplified inventory management with a single transceiver type, and accelerated service provisioning for enterprise subscribers.
Low-Latency Financial Trading Network with Q9G82A-Aruba 40G QSFP+ LC ER4
A leading financial exchange integrates the Q9G82A-Aruba 40G QSFP+ LC ER4 40km SMF XCVR into its trading floor switch fabric to connect matching engines and risk-management clusters located in separate facilities 20 km apart. The ER4-grade optics ensure deterministic latency and error-free 40 Gbps links that uphold stringent regulatory SLAs. Benefit: Ultra-low and consistent network latency for high-frequency trading, simplified optical planning with fixed 40 km reach, and guaranteed throughput to support real-time market data feeds.
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table 
| Q9G82A |  J8177D (5 Units) |  JH231A |  J9151D |  JL563A | |
|---|---|---|---|---|---|
| Compatibility | Cisco / Juniper / Huawei / Arista | Cisco / Juniper / Huawei / Arista | Cisco, Juniper, Huawei, Arista | Cisco / Juniper / Huawei / Arista | Cisco / Juniper / Huawei / Arista |
| Connector Type | LC | LC | LC | LC | LC |
| Data Rate | 40G | 40G | 10G | 10G | 10G |
| Depth | 0.3 inches | 2.75 inches | 1.08 inches | 1.60 inches | 1.5 inches |
| Fiber Type | Single-mode | Multi-mode | Multi-mode | Multi-mode | Multi-mode |
| Form Factor | QSFP+ | QSFP+ | SFP+ | SFP+ | SFP |
| Height | 0.5 inches | 0.57 inches | 0.22 inches | 0.75 inches | 0.8 inches |
| Input Voltage | 3.3V | 3.3V | 3.3V | 3.3V | 3.3V |
| Max Distance | 10 km | 300 meters | 300 meters | 300 meters | 300 meters |
| Network Interface | Fiber | Fiber | Fiber | Fiber | Fiber |
| Operating Temperature | 0 to 70°C | 0 to 70°C | 0 to 70°C | 0 to 70°C | 0 to 70°C |
| Power Consumption | 4.5 W | 5W | 3.2W | 1.8W | 1.5 W |
| Product Name | Q9G82A 40G QSFP+ Long-Range Transceiver | J8177D (5 Units) | JH231A 10G SFP+ Transceiver | J9151D 10G SFP+ Transceiver Module | JL563A 10G SFP Transceiver |
| Product Type | Transceiver | Transceiver | Transceiver | Transceiver | Transceiver |
| Storage Temperature | -40 to 85°C | -40 to 85°C | -40 to 85°C | -40 to 85°C | -40 to 85°C |
| Supported Protocols | Ethernet / Fibre Channel | Ethernet | Ethernet, Fibre Channel | Ethernet | Ethernet |
| Transmission Distance | Long-Range | Short-Range | Short-Range | Short-Range | Short-Range |
| Wavelength | 1310 nm | 850 nm | 850 nm | 850 nm | 850 nm |
| Weight | 0.1 lbs | 0.25 lbs | 0.05 lbs | 0.2 lbs | 0.05 lbs |
| Width | 0.25 inches | 0.87 inches | 0.76 inches | 0.65 inches | 1.2 inches |
Reviews & Ratings
K
Kashan Whitaker
4
Excellent long-haul performance.
L
Luca Moretti
4
Stable signal across distance.
U
Usaid Pembroke
4
Mission-critical reliability.
E
Edward Lawson
5
Premium transceiver quality.
Questions & Answers
What is the Aruba 40G QSFP+ LC ER4 40km SMF XCVR (SKU: Q9G82A)?
The Aruba 40G QSFP+ LC ER4 40km SMF XCVR (SKU: Q9G82A) is a hot-pluggable optical transceiver module that delivers 40 Gb/s data rates over single-mode fiber up to 40 km using an LC duplex interface.
Which Aruba switches support the Q9G82A 40G QSFP+ transceiver?
The Q9G82A is fully compatible with Aruba 8400, 8325, 8320, 6300, 2930F, 2930M, 3810M, 5400R, 3810, 5400R zl, and 7210 switches running the latest AOS or ArubaOS-CX releases.
What optical wavelength does the Q9G82A operate on?
The Q9G82A utilizes four LAN WDM channels at 1310 nm nominal wavelength per channel, aggregated to achieve a total 40 Gb/s transmission.
What is the maximum transmission distance of the Aruba Q9G82A?
The Q9G82A supports a maximum reach of 40 km over ITU-G.652 compliant single-mode fiber without signal amplification or dispersion compensation.
Which fiber connector type does the Q9G82A use?
The transceiver uses a standard duplex LC connector interface, ensuring broad compatibility with LC-terminated single-mode fiber cables.
Is the Aruba Q9G82A MSA-compliant?
Yes. The Q9G82A is compliant with the QSFP+ MSA (Multi-Source Agreement) and IEEE 802.3ba standards for 40G Ethernet applications.
What power consumption can I expect from the Q9G82A?
Typical power consumption for the Aruba Q9G82A is 3.5 W, well within QSFP+ module power budgets for modern Aruba and HPE switches.
What is the operating temperature range for the Q9G82A?
The Q9G82A is rated for an operating temperature range of 0°C to +70°C (32°F to +158°F) in standard environments.
Does the Q9G82A support digital diagnostic monitoring (DDM)?
Yes. The module supports I2C-based digital diagnostic functions including real-time monitoring of optical power, temperature, voltage, and laser bias current.
Can I use the Q9G82A in DWDM applications?
No. The Q9G82A is an ER4 module using fixed LAN-WDM channels for single-mode applications up to 40 km and is not designed for DWDM grid deployment.
How do I install the Aruba Q9G82A on my switch?
Power down the QSFP+ port if required, align the module with the port slot, slide it in until it clicks, then power on the port. Confirm link status via switch diagnostics.
What guarantee and warranty does the Q9G82A include?
The transceiver is backed by HPE’s limited lifetime warranty for Aruba optics, covering defects in materials and workmanship when used in supported Aruba platforms.
How can I verify compatibility before purchasing the Q9G82A?
Check Aruba’s Interoperability Matrix or consult the HPE Partner Ready Portal to confirm that SKU Q9G82A is supported on your specific switch model and firmware version.
Where can I purchase the Aruba 40G QSFP+ LC ER4 module (Q9G82A)?
Authorized HPE and Aruba partners, resellers, or the HPE online store carry the Q9G82A. Always verify genuine Aruba part numbers for full support.
What are the typical applications for the Q9G82A?
Ideal use cases include data center interconnects, metro ring backbones, campus aggregation, and high-speed fiber links requiring 40 Gb/s over 40 km SMF.
Does the Q9G82A require any special driver or software?
No additional drivers are needed. The transceiver is natively supported by ArubaOS-CX and AOS, with automatic recognition once inserted into a compatible QSFP+ port.