product description cisco sfp transceiver module 16gb fibre channel short wave device type sfp transceiver module lc multi mode form factor plug in module cabling type fibre optic data transfer rate 16 gbps optical wave length 850 nm data link protocol 16gb fibre channel short wave max transfer distance 400 m dimensions wxdxh 14 cm x 57 cm x 09 cm designed for p nds x9448 768k9