Cisco - QSFP+ transceiver module - 40 Gigabit Ethernet - 40GBASE-BiDi - LC multi-mode - up to 492 ft - 832-918 nm - for P/N: N6K-C6004-M12Q N6K-C6004-M12Q= N7K-F312FQ-25= N9K-C9396PX N9K-X9636PQ