Cisco ISR4351-SEC/K9 | 4000 ISR Series ISR 4351 3 x Ports 1000Base-T LAN + 3 x Ports SFP (mini-GIBIC) 2U Rack-mountable Integrated Service Router

1. Dimensions: 438.15 x 438.15 x 89.91 mm (17.25 x 17.25 x 3.54 in)
2. Weight: 10.89 kg (24.03 lb)
3. Interfaces: 3 Gigabit Ethernet ports, 2 Network Interface Module (NIM) slots, 1 Internal Services Module (ISM) slot, 1 Service Module (SM) slot, 4 Enhanced High-Speed WAN Interface Card (EHWIC) slots
4. Performance: Up to 1 Gbps throughput, up to 2 Gbps with services
5. RAM: 4 GB
6. Flash Memory: 4 GB
7. Power Supply: AC or DC
8. Security: VPN support, firewall protection, intrusion prevention, content filtering
9. Management: CLI, SNMP, Telnet, HTTP, HTTPS, SSH, RADIUS, TACACS+
10. Operating Temperature: 0°C to 40°C (32°F to 104°F)
11. Humidity: 5% to 95%
12. Rack Mountable: Yes, with optional rack mount kit

Notes:
1. The ISR4351-SEC/K9 is a high-performance router with advanced security features, making it ideal for enterprise-level networks.
2. The router supports a wide range of interfaces and modules, providing flexibility for future expansion.
3. The AC or DC power supply options make it suitable for deployment in a variety of environments.