100% compatibility with Cisco GLC-T guaranteed Star Tech. com lifetime warranty on all Star Tech. com SFP modules Maximum transfer distance of 100 m (328 ft) - SFP (Mini-GBIC) meets or exceeds OEM specifications SFP transceiver module complies with MSA industry standards 1000BASE-T copper transceiver has low power consumption: < 1. 3 W - Hot-swappable with other copper modules - Copper connector - DDM: No - MTBF: 4 655 371 hours - Max. Data Transfer Rate: 1000 Mbps