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ETU-Link Technology Co., Ltd. is proud to offer the high-quality QSFP-40G-ER for all your networking needs. Our QSFP-40G-ER transceiver module is designed to deliver excellent performance over long distances, making it the perfect solution for high-speed data transmission in data centers, enterprise networks, and telecommunications networks, With a transmission distance of up to 40km over single-mode fiber, our QSFP-40G-ER provides reliable and consistent performance, ensuring seamless connectivity for your critical applications. It also features low power consumption and high port density, making it a cost-effective and energy-efficient solution for your network infrastructure, Backed by our stringent quality control processes and extensive testing, you can trust that our QSFP-40G-ER meets the highest industry standards for reliability and performance. Whether you need to expand your network, upgrade your existing infrastructure, or improve your data transmission capabilities, ETU-Link’s high-quality QSFP-40G-ER is the perfect choice for your networking needs