About Catalyst 4900 Series

Cisco Catalyst 4900 Series Switches are designed and optimized for the data center and top-of-rack aggregation. They offer:

* Industry-leading wire-speed performance
* Low latency with Layer 2-4 switching
* Innovative security features
* Gigabit Ethernet or 10 Gigabit Ethernet uplinks
* Optional internal AC or DC 1 1 hot-swappable power supplies
* A hot-swappable fan tray with redundant fans