Cisco C2921-VSEC-SRE/K9 | 2900 Series 2921 3 x Ports 1000Base-T + 12 x Expansion Slots 2U Rack-mountable Integrated Services Router

1. Dimensions: 3.5 x 17.2 x 12.8 inches
2. Weight: 13.2 pounds
3. Processor: 1.2 GHz dual-core
4. RAM: 512 MB (upgradable to 2 GB)
5. Flash Memory: 256 MB (upgradable to 4 GB)
6. WAN Interface: 1-port 10/100/1000 GE, 1-port SFP GE, 1-port GE
7. LAN Interfaces: 2-port 10/100/1000 GE, 4-port SFP GE, 1-port SFP GE
8. VPN Support: IPsec, SSL, GRE, Easy VPN
9. Firewall: Stateful packet inspection, NAT, ACLs
10. Routing Protocols: OSPF, EIGRP, BGP, RIP, IS-IS
11. Power Supply: AC or DC
12. Operating Temperature: 32°F to 104°F

Notes:
1. The Cisco 2921 is ideal for small to medium-sized businesses with high-bandwidth needs.
2. The router can support up to 50 VPN tunnels and 900 Mbps throughput.
3. The router is compatible with a wide range of Cisco IOS software features and modules.