Keep high-speed aggregation links moving with the Lenovo 100GBase SR4 Transceiver. Designed for 100 GbE short-reach deployments, this QSFP28 optic supports multimode fiber and MPO-based parallel optics for data center switching environments that need dense connectivity without sacrificing link integrity. SR4 is the right fit when you are extending 100 GbE across leaf-spine fabrics, top-of-rack switches, or high-bandwidth server aggregation where short-distance optics deliver the best balance of cost, density, and performance. The parallel optical design is well suited to structured cabling in modern racks, helping reduce complexity while preserving throughput. For teams standardizing on 100 GbE, this transceiver provides a clean path to higher-speed uplinks without moving to longer-reach optics that add unnecessary cost. It is a practical choice for infrastructure teams that need reliable short-reach performance and consistent deployment across production switching layers.