Description The Intel Express 400 Series Standalone Switch family lets you easily migrate workgroups from shared to switched networks, delivering Fast Ethernet performance where it's needed. The Intel Express 420T Standalone Switch provides port density where you need it, with 48 10/100 ports and 2 GBIC slots. The Intel Express 420T Standalone Switch is an easy-to-use switch for migrating users to Fast Ethernet desktop switching or for mixed-bandwidth applications.