Cisco 550X Series Stackable Managed Switches (Figure 1) offer the flexibility you need to meet your business requirements. These switches offer 24- to 48-port Gigabit or Fast Ethernet with 10 Gigabit uplinks, and 16- to 48-port 10 Gigabit Ethernet with both copper (10GBase-T) and fiber (Small Form Factor Pluggable Plus [SFP+]) options.