QSFP-40GE-LR4M Cisco 40Gb/s 40GBase-LR4 Single-Mode Fibre 1310nm 10km Duplex LC Connector QSFP+ Transceiver Module

Upgrade your high‑speed network infrastructure with the Cisco QSFP‑40GE‑LR4M transceiver, engineered for seamless 40Gb/s connectivity over long‑haul single‑mode fiber. Designed to deliver reliable, low‑latency performance across 10 km distances, this module ensures crystal‑clear data transmission for demanding data center and enterprise environments. Its dual‑LC connector layout supports easy integration into existing QSFP+ chassis, while the robust construction guarantees consistent operation in varied temperature ranges. Ideal for scaling bandwidth without compromising on space or power efficiency, the QSFP‑40GE‑LR4M is a dependable choice for future‑proofing your network architecture.