The 400G OSFP SR4 optical transceiver represents a breakthrough in high-speed data center connectivity, delivering 400Gbps transmission through its advanced MPO-12 multimode fiber interface. This cutting-edge optical transceiver leverages parallel multimode fiber (SR4) technology with 4×100G PAM4 modulation to achieve exceptional performance within 50-meter reach, making it ideal for hyperscale data center deployments. The 400G OSFP SR4 solution stands out with its remarkably low power consumption (<10W typical) and compact OSFP form factor, enabling unprecedented port density in modern switch architectures. Engineered for reliability, this optical transceiver fully complies with IEEE 802.3cm and OSFP MSA standards, ensuring seamless interoperability with all major 400G networking equipment. Its built-in Digital Diagnostic Monitoring (DDM) provides real-time visibility into temperature and optical power parameters, while the hot-swappable design simplifies maintenance and reduces operational overhead. The 400G OSFP SR4 module excels in demanding applications including AI/ML workloads, high-frequency trading systems, and memory-driven computing architectures where low latency is critical. As data centers transition to 400G Ethernet, this optical transceiver has become the go-to solution for spine-leaf implementations, top-of-rack deployments, and edge computing environments. The 400G OSFP SR4 technology particularly shines in high-density server clusters and distributed storage systems, where its combination of energy efficiency and reliable 50-meter reach delivers unmatched value. With its future-proof design and robust performance characteristics, this optical transceiver is accelerating the adoption of next-generation 400G infrastructure across cloud service providers, enterprises, and research institutions worldwide.  Whether deployed in hyperscale environments or specialized HPC installations, the 400G OSFP SR4 optical transceiver consistently delivers the speed, density, and reliability required for modern data-intensive applications. Its optimized thermal design and signal integrity make it particularly suitable for deployment in constrained spaces while maintaining superior bit error rate performance. As the industry standard for 400G short-reach connectivity, this optical transceiver continues to set new benchmarks for power efficiency and total cost of ownership in data center interconnects.