100% compatibility with Dell EMC SFP 1G SX guaranteed Lifetime Warranty on all StarTech.com SFP modules Maximum transfer distance of 550 m (1804 ft) SFP (Mini GBIC) meets or exceeds OEM specifications SFP transceiver module complies with MSA industry standards 1000Base SX Fiber transceiver has low power consumption Hot swappable with other fiber optic modules Multi Mode connector with Digital Diagnostic Monitoring (DDM) MTBF: 53,972,659 hours