QSFP 40G ER4: Trusted ODM Supplier for High-Quality Networking Solutions
The QSFP 40G ER4 transceiver offers an excellent solution for high-speed data center connectivity and long-distance Ethernet applications. As an ODM and factory supplier, we prioritize exceptional quality and cost-effectiveness. Our QSFP 40G ER4 modules support transmission distances of up to 40 kilometers over single-mode fiber, making them suitable for a wide range of networking needs. With extensive experience in the industry, ETU-Link Technology Co., Ltd. provides innovative technology paired with outstanding support to fulfill your unique requirements. Whether enhancing your current network or building anew, our transceivers ensure reliable performance and scalability. Count on us as your trusted partner in advanced networking solutions.

400G
200G
100G
40G
25G
10G
1G
COPPER-T
Other
10G SFP+ DAC
40G QSFP+ DAC
56G QSFP+ DAC
100G QSFP28 DAC
200G QSFP56 DD DAC
400G QSFP DD DAC
10G SFP+ AOC
40G QSFP+ AOC
100G QSFP28 AOC
200G QSFP56 AOC
400G QSFP-DD AOC
Adapter Details
Media Converter