Description
The Cisco QSFP-40G-ER4 is a high-performance 40GBASE-ER4 QSFP transceiver designed for long-distance single-mode fiber connectivity. Engineered to deliver reliable 40 Gigabit Ethernet links over distances of up to 40 kilometers, this module is ideal for service provider networks, data center interconnects, and enterprise core infrastructures.
Operating at 1310 nm across four optical lanes, the QSFP-40G-ER4 uses duplex LC connectors and supports both 40GE and OTU3 data rates. Its hot-swappable QSFP form factor allows for flexible deployment and simplified upgrades in high-density networking environments. Built for compatibility with Cisco platforms, this transceiver ensures dependable performance for long-haul optical networking applications.
| Specification | Details |
|---|---|
| SKU | QSFP-40G-ER4 |
| Form Factor | QSFP |
| Interface Type | 40GBASE-ER4 |
| Data Rate | 40 Gbps |
| Fiber Type | Single-Mode Fiber (SMF) |
| Connector | Duplex LC |
| Wavelength | 1310 nm (4 lanes) |
| Maximum Distance | Up to 40 km |
| Supported Protocols | 40 Gigabit Ethernet, OTU3 |
| Hot Swappable | Yes |
| Typical Power Consumption | Approx. 3.5 W |
| Operating Temperature | Commercial range |
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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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This product is rarely deployed alone. It’s typically part of a fully integrated AV system. AVENDOR designs, integrates, and supports end-to-end environments—from single rooms to enterprise-wide deployments.
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