Amphenol's QSFP-DD Linear Pluggable Optical (LPO) Transceiver delivers low-latency, high-bandwidth PCIe ® Gen 5. 0 over optical link, enabling scalable server disaggregation and efficient rack-to-rack interconnects ideal for AI/ML and rack-scale data center expansion. When combined with higher transmission rates per electrical interface (28 Gbps to 56 Gbps to 112 Gbps), QSFP-DD optical transceivers can. QSFP-DD Packaged Optical Module by Application (Data Center, Cloud Computing, Large Scale Network, Others), by Types (200G, 400G, 800G, Others), by North America (United States, Canada, Mexico), by South America (Brazil, Argentina, Rest of South America), by Europe (United Kingdom, Germany, France. The 400G QSFP DD DR4 Optical Transceiver Module is a cutting-edge solution designed to meet the growing demand for high-speed, high-density optical connectivity in modern data centers and high-performance computing (HPC) environments. Operating at a wavelength of 1310nm and utilizing PAM4. FS provides an expanding portfolio of 400G OSFP/QSFP112/QSFP-DD solutions featuring high-performance, high-bandwidth, and backward compatibility. Each channel can achieve a data rate of up to 25Gb/s using NRZ modulation technology, enabling 200G transmission.