Cisco 10-2566-02 FET-10G Multi-Mode Fibre 850nm SFP

Interface Ports : 2x 100/1000/2500/5000 Multigigabit Ethernet RJ-45
Management Ports : 1x RJ-45 AUX, 1x Management Console RJ-45
Spatial Streams : 3
Maximum Data Rate : 5.2 Gbps