Cisco QSFP-40G-LR4 40Gbps QSFP+ 1310nm 10km Dual-LC SMF Optical Transceiver Module QSFP-40G-LR4-3P-MEL.
Data Transfer Rate: 40Gbps
Connectors: Dual-LC
Interface: LR4
Form Factor: QSFP+
Type: Optical Transceiver Module
Features: TX Wavelength: 1310nm, Reach: 10km, Cable Type: SMF