All the ports on the MDS 9396S are 16G wire rate ! No oversubscription. I think here there is no concept of a port group, which in most cases means oversubscription.

That's correct, you don't have the concept of shared or dedicated ports. You can also do a 

show port-resources to see how they are configured.

Data Sheet for the 9396S

http://www.cisco.com/c/en/us/products/collateral/storage-networking/mds-9396s-16g-multilayer-fabric-switch/datasheet-c78-734525.html

Up to 96 autosensing Fibre Channel ports are capable of speeds of 2, 4, 8, 10, and 16 Gbps, with 16 Gbps of dedicated bandwidth for each port.