As a professional optical transceiver manufacturer, WHGearlink's optical modules will undergo switch compatibility testing before shipment to ensure that each module is 100% compatible. We are compatible with all series of Intel optical transceivers, for example, Intel FE SFP optical module, Intel GE SFP optical module, Intel SFP+ optical module, Intel SFP28 optical module, Intel QSFP optical module, Intel QSFP+ optical module, Intel QSFP28 optical module, etc.