For QSFP28 to 4xSFP28, everyone has different special concerns about it, and what we do is to maximize the product requirements of each customer, so the quality of our QSFP28 to 4xSFP28 has been well received by many customers and enjoyed a good reputation in many countries. Zhaolong InterconnectQSFP28 to 4xSFP28 have characteristic design & practical performance & competitive price, for more information on the QSFP28 to 4xSFP28, please feel free to contact us.