ASA5520-BUN-K9 - Cisco ASA 5520 Security Appliance

1. Firewall throughput: Up to 450 Mbps
2. Concurrent sessions: Up to 280,000
3. VPN throughput: Up to 225 Mbps
4. VPN peers: Up to 750
5. Interfaces: 4 Gigabit Ethernet ports
6. RAM: 2 GB
7. Flash memory: 256 MB
8. Power supply: AC 120/230 V ( 50/60 Hz )
9. Dimensions: 1.7 x 17.5 x 13.2 in
10. Weight: 20.06 lbs
11. Supported protocols: TCP/IP, IPSec, SSL, ICMP/IP, IPS, PPPoE, PPTP, L2TPv3
12. Security features: Firewall protection, VPN support, VLAN support, content filtering, URL filtering, anti-spam protection, anti-virus protection, Intrusion Prevention System (IPS), DoS attack prevention

Helpful notes:
1. The Cisco ASA 5520 is a reliable and scalable security appliance suitable for medium to large enterprises.
2. With its advanced security features, it provides comprehensive protection against various cyber threats.
3. The appliance can be easily managed through a web-based interface or command-line interface.