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40G-QSFP-LR4-C
40GBASE-LR4 QSFP+ Optic 10km SMF Brocade Compatible
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40G-QSFP-LR4-C is a QSFP transceiver that supports a 40G data rate over single-mode fiber, featuring LC connectors and long-range transmission capabilities designed to reach up to 10 km. It adheres to industry standards for form factor and physical dimensions, making it ideally suited for high-performance Ethernet applications in data centers, enterprise networks, and telecom environments.
Leveraging advanced optical technology, the 40G-QSFP-LR4-C delivers reliable connectivity and robust performance across critical network infrastructures. Its compact design, broad operating temperature range, and compatibility with key industry vendors ensure seamless integration into existing systems while supporting emerging networking protocols.
40G-QSFP-LR4-C price is is available on request. Get immediate quote.
Request bulk order quote for 40G-QSFP-LR4-C for additional pricing. Browse the full Brocade Networking Compatible Qsfp+ series or explore all Orm products.
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| 40G-QSFP-LR4-C |  40G-QSFP-SR4-C |  40G-QSFP-SR4-INT-C |  40G-QSFP-LM4-C |  40G-QSFP-ER4-C | |
|---|---|---|---|---|---|
| Product Type | Transceiver | Transceiver | Transceiver | Transceiver | Transceiver |
| Form Factor | QSFP | QSFP+ | QSFP | QSFP | QSFP |
| Data Rate | 40G | 40G | 40G | 40G | 40G |
| Connector Type | LC | LC | MPO | LC | LC |
| Wavelength | 1310nm | 850nm | 850nm | 1310nm | 1310 nm |
| Transmission Distance | Long-Range | Short-Range | Short-Range | Long-Range | Extended-Range |
| Fiber Type | Single-mode | Multi-mode | Multi-mode | Single-mode | Single-mode |
| Max Distance | 10 km | 100 meters | 100 meters | 10 km | 40 km |
| Supported Protocols | Ethernet | Ethernet | Ethernet | Ethernet, Fibre Channel | Ethernet |
| Network Interface | Ethernet | Ethernet | Ethernet | Ethernet | Ethernet |
| Power Consumption | 6.6W | 4W | 4.5W | N/A | 6.5W |
| 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, Arista |
| Product Name | 40G-QSFP-LR4-C | 40G-QSFP-SR4-C | 40G-QSFP-SR4-INT-C | 40G-QSFP-LM4-C | 40G-QSFP-ER4-C |
| Height | 0.68 inches | 0.66 inches | N/A | N/A | N/A |
| Width | 1.17 inches | 1.7 inches | N/A | N/A | N/A |
| Depth | 1.39 inches | 1.8 inches | N/A | N/A | N/A |
| Weight | 0.15 lbs | 0.11 lbs | N/A | N/A | N/A |
Reliable 10km LR4 performance. Rock-solid 40G signaling over single-mode fiber for our core backbone. Very stable.
Consistent 40Gbps throughput. Recognized instantly with full diagnostic support. Professional grade and robust construction.
Outstanding LR4 reliability. Significant savings while maintaining high-tier network performance across our campus.
Steady and dependable 10km transport. Plug-and-play installation and flawless integration with Brocade chassis gear.
Top-tier 40G-LR4 optics. Clear signal margins and robust build for mission-critical networking. Highly recommended.
The 40G-QSFP-LR4-C is a 40GBASE-LR4 QSFP+ transceiver compatible with Brocade switches, designed for single-mode fiber links up to 10 km.
It supports single-mode fiber transmission distances of up to 10 kilometers over an LC duplex connection.
This module requires ITU-T G.652 single-mode fiber (SMF) with LC duplex connectors.
It uses industry-standard LC duplex connectors, ensuring compatibility with existing SMF cabling.
The module supports an aggregated data rate of 40 Gbps, using four 10 Gbps lanes.
It employs four LAN-WDM wavelengths around 1295, 1300, 1305, and 1310 nm, each carrying 10 Gbps.
Yes. The module supports hot-plug capability, allowing installation or removal without powering down the system.
Yes. It’s tested and qualified for seamless interoperability with Brocade 40 GbE QSFP+ ports.
It’s compatible with a broad range of switches, routers, and NICs from Brocade, Cisco, Juniper, Arista, and other QSFP+-equipped vendors.
It meets the QSFP+ MSA, IEEE 802.3ba for 40GBASE-LR4, and SFF-8636 specifications.
The commercial-grade module operates between 0°C to 70°C (32°F to 158°F).
Yes. It offers real-time monitoring of optical power, temperature, voltage, and transceiver status via a two-wire serial interface.
Yes. It complies with the RoHS directive, ensuring no hazardous substances in its materials.
Align the QSFP+ module with the port, slide it in until it latches securely, then connect the LC fiber pair to the module’s duplex port.
Use a compatible 40 GbE test device or switch port with built-in diagnostics to verify signal integrity, link status, and DDM readings.
The module includes a limited lifetime warranty covering defects in materials and workmanship under normal use.