Cisco ASA 5520 IPS Edition. Data transfer rate (max): 1000 Mbit/s, Firewall throughput: 450 Mbit/s, VPN throughput: 225 Mbit/s. Connectivity technology: Wired. Security algorithms supported: DES, VPN support: SSL, IPsec.. Power consumption (typical): 150 W, Peak power: 190 W. Internal memory: 512 MB