BayStack 450-12F Fiber Switch, 12port 100BFX MT-RJ w/ 1 MDA slot BayStack 450 Switches are the fastest, most fully featured switches in the BayStack family. With 10/100 autosensing ports, redundant stackability, advanced traffic management, and several choices for high-speed uplinks including Gigabit Ethernet (1000 Mbps Ethernet), BayStack 450 Switches are designed to provide high-density, high-performance switching for large networks. BayStack 450 Switches are the best choice for companies building large-scale networks in demanding environments. In addition to their advanced software features, redundant stackability, and easy scalability, these switches enable an increase in dedicated bandwidth at the desktop