Profile: Fiber Mall is a supplier of optical communication products. We provide consultation, solution design, one-stop product supply and technical support services. QSFP56-200G-SR4M supports 200GbE connectivity up to 100-meter transmission distance over multi-mode fiber (MMF) OM4 with four parallel lanes on 850nm center wavelength, operating at 50G per channel. It is compliant with the QSFP56 MSA and IEEE 802.3bs Specification.