| Product Code | CISCO2901/k9 |
| Rack Units | 1U |
| Interfaces | 2 integrated 10/100/1000 Ethernet ports |
| Expansion Slot(s) | 2 onboard digital signal processor (DSP) slots
4 enhanced high-speed WAN interface card slots 1 onboard Internal Service Module for application services |
| RAM | 512 MB (installed) / 2 GB (max) |
| Flash Memory | 256 MB (installed) / 8 GB (max) |
| Dimensions | 43.9 cm x 43.8 cm x 4.5 cm |
| Package Weight | 11.48 Kg |
