AddOn QSFP-40GBASE-LR4-20-AO Compatible 40GBase-LR4 QSFP+ Transceiver (SMF, 1270nm–1330nm, 20km, LC, DOM, TAA)

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Add-OnSKU: QSFP-40GBASE-LR4-20-AO
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Sale price$2,221.99 Regular price$3,500.00

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In stock (56 units), ready to be shipped

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Description

The AddOn QSFP-40GBASE-LR4-20-AO is a high-performance, MSA-compliant QSFP+ transceiver designed to deliver reliable 40GBase-LR4 connectivity over single-mode fiber (SMF) up to 20km. Operating on four CWDM channels within the 1270nm to 1330nm wavelength range, this transceiver supports data rates up to 11.1Gbps per channel, ensuring seamless high-speed data transmission for enterprise, data center, and access network applications.

Built to IEEE 802.3ba and SFF-8436 specifications, it features an LC duplex connector and supports Digital Optical Monitoring (DOM) for real-time diagnostics of optical performance. The module is fully TAA compliant and undergoes rigorous testing for guaranteed interoperability with OEM platforms. With its advanced optical design, low power consumption, and Class 1 laser safety certification, the QSFP-40GBASE-LR4-20-AO offers a dependable and scalable solution for next-generation network deployments.

Specification Details
Brand AddOn
Part Number / SKU QSFP-40GBASE-LR4-20-AO
Form Factor QSFP+
Application 40GBase Ethernet
Compliance Standards IEEE 802.3ba, SFF-8436, QSFP+ MSA, TAA
Wavelength Range 1270nm – 1330nm (4 CWDM channels)
Data Rate Up to 11.1 Gbps per channel (40 Gbps aggregate)
Transmission Distance Up to 20 km
Fiber Type Single-Mode Fiber (SMF)
Connector Type LC Duplex
Digital Optical Monitoring (DOM) Supported
Optical Power per Lane -3 to +2.3 dBm
Receiver Sensitivity (OMA) -11.5 dBm
Total Launch Power Up to +8 dBm
Extinction Ratio ≥ 3.5 dB
Operating Temperature 0°C to 70°C
Storage Temperature -40°C to +85°C
Power Dissipation ≤ 3.5 W
Power Supply Voltage 3.3 V
Safety Certification Class 1 Laser
RoHS Compliance Yes, Lead-Free
Use Cases Data Centers, Access Networks, Enterprise Infrastructure
Warranty Limited Lifetime Warranty

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Return Policy (Short Summary)

We offer a 30-day return window for most unopened, factory-sealed items.

Returns must be authorized before shipping back and must include all original packaging and accessories. Opened or used items are not returnable unless defective.


Some products—such as custom orders, special-order items, audio gear, software, and LED video walls—are non-returnable. Non-defective returns may be subject to a 20–30% restocking fee, and customers are responsible for return shipping costs.


For damaged or incorrect items, please contact us immediately.


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