HP 813874-B21 Compatible SFP. 100% compatibility with HP 813874-B21 guaranteed - StarTech.com lifetime warranty on all StarTech.com SFP+ modules - Maximum transfer distance of 30 m (98.4 ft) - SFP+ (Mini-GBIC) meets or exceeds OEM specifications - SFP+ transceiver module complies with MSA industry standards - 10GBASE-T copper transceiver is hot-swappable with other copper modules - DDM: No - MTBF: 4,598,430 hours - TAA Compliant - Max. Data Transfer Rate: 10 Gbps