Material: Aluminum, Local Unit Connectors: 1 - Fiber Optic LC Duplex, Maximum Data Transfer Rate: 40 Gbps, Max Transfer Distance: 10 km (6.2 mi), Type: Single Mode, Wavelength: 1270nm to 1330nm, Fiber Operating Mode: Full-Duplex, DDM: Yes, Compatible Networks: 40 Gbps, MTBF: 1,489,426 hours, Lifetime Limited Warranty, QSFP40LR4ST.