Product code: CISCO 2921/K9
Rack units: 2U
3 Integrated 10/100/1000 Ethernet ports (RJ 45 only)
Expansion slots:
2 service module slot
1 internal service module slot
3 onboard digital signal processor slots
4 Enhanced High-speed WAN interface card (EHWIC) slots
RAM: 512 MB (Installed) / 2GB MAX
FLASH MEMORY: 256 (Installed) / 8GB MAX IP BASE