SFP28 based on SFP+ the same shape, compliant with InfiniBand Architecture and 25G Ethernet standards, can provide the 25Gb/s transmission no error, SFP28 applied to high density of 25G Ethernet switches and network interface, data center server connection. It uses the popular SFP + packaging format, upgrade the 10G Ethernet connection for the enterprise, provides a more cost-effective solution.