Models XS708Ev2, XS716E, XS708T, and XS716T:
The copper ports are compatible with 100M, 1G, and 10G speeds. The SFP+ fiber ports are compatible with 1G and 10G speeds.
Models XS728T and XS748T:
The copper and fiber ports are compatible with 1G and 10G speeds. The SFP+ fiber ports are compatible with 1G and 10G speeds.