The 400G QSFP-DD ER4-30 Optical Interconnect Solution from FIBERSTAMP delivers robust, long-reach 400 Gbps transmission over dual fiber up to 30 km — ideal for metro DCI (Data Center Interconnect) scenarios and extended data center networking. This solution harnesses advanced APD receiver technology and low-dispersion wavelength emission to ensure stable, high-speed optical performance across diverse network environments.
Key Features
- Extended Reach: Supports 400G dual-fiber links up to 30 km, expanding network reach beyond short-reach data center links.
- High Launch Power: Up to +3 dBm per lane ensures strong optical signal performance over long distances.
- Excellent Transmission Quality: TDECQ as low as 2.28 dB for high-speed PAM4 signal integrity.
- Enhanced Receiver Sensitivity: OMA sensitivity better than –12.5 dBm per lane, enabling reliable detection even at extended reach.
- Efficient Power Usage: Designed with power consumption below 13 W, making it suitable for high-density deployment environments.

This long-reach 400G solution supports evolving metro and edge interconnect requirements where extended distances and high throughput are essential, such as carrier networks, cloud-to-cloud links, and regional data aggregation. Its combination of extended reach, optical performance, and energy efficiency makes it a compelling choice for service providers and data center operators seeking reliable 400G transport solutions.