CISCO3925/K9

* Modular Services Performance Engine (SPE) 100, which can be upgraded for even higher performance as next-generation WAN environments evolve 
* 3 integrated 10/100/1000 Ethernet ports with 2 ports capable of RJ-45 or SFP connectivity
* 2 service module slots4 Enhanced High-Speed WAN Interface Card (EHWIC) slots
* 4 onboard digital signal processor (DSP) slots
* 1 Internal Services Module slot Dual integrated power supplies
* Embedded hardware-accelerated VPN encryption for secure collaboration
* Integrated threat control using Cisco IOS Firewall, Cisco IOS Zone-Based Firewall, Cisco IOS IPS, and Cisco IOS Content Filtering