100% compatibility with Arista Networks QSFP 40G XSR4 guaranteed Lifetime Warranty on all StarTech.com SFP modules Maximum transfer distance of 400 m (1312 ft.) QSFP+ (Mini GBIC) meets or exceeds OEM specifications SFP+ transceiver module complies with MSA industry standards 40GBase SR4 Fiber transceiver has low power consumption Hot swappable with other fiber optic modules Multi Mode connector with Digital Diagnostic Monitoring (DDM) MTBF: 244,610,583 hours