SonicWALL SFP+ Transceiver Module - 1 x 10GBase-LRApplication/Usage: Data NetworkingApplication/Usage: Optical NetworkInterfaces/Ports: 1 x 10GBase-LRInterfaces/Ports Details: 1 x 10GBase-LR NetworkConnectivity Media: Optical Fiber 10GBase-LRData Transfer Rate: 10 Gbps Gigabit EthernetLimited Warranty: 1 Year