ASA Firewall and its Types

ASA Firewalls are divided into following types depending on its functionality

• ASA 5505 (simplest and earliest version)
• ASA 5510
• ASA 5520
• ASA 5550

ASA 5505

• ASA 5505 has limitation in terms of users. IT can have 10, 50 or unlimited users.
• It has maximum throughput of 150Mbps.
• It has 3DES/AES/VPN throughput upto 100Mbps.
• It can have around 10-20 VPN Peers.
• It can have around 10k-25k concurrent connections, with 4k new connections.
• It supports 8-port Fast Ethernet Switch (including 2POE ports)
• It supports 3 VLAN Interfaces.

ASA 5510

• ASA 5510 has unlimited users support.
• It has maximum throughput of around 300Mbps.
• It has 3DES/AES/VPN throughput upto 170Mbps.
• It can have around 250 VPN Peers.
• It can have around 50k-130k concurrent connections, with 9k new connections.
• It supports 5-port  Switch (including 2-Gigabit Ethernet port and 3-Fast Ethernet Ports)
• It supports 50 VLAN Interfaces.

ASA 5520

• ASA 5520 has unlimited users support.
• t has maximum throughput of around 450Mbps.
• It has 3DES/AES/VPN throughput upto 225Mbps.
• It can have around 750 VPN Peers.
• It can have around 280k concurrent connections, with 12k new connections.
• It supports 5-port  Switch (including 4-Gigabit Ethernet port and 1-Fast Ethernet Ports).
• It supports 150 VLAN Interfaces.

ASA 5540

• ASA 5540 has unlimited users support.
• It has maximum throughput of around 650 Mbps.
• It has 3DES/AES/VPN throughput upto 325 Mbps.
• It can have around 5K VPN Peers.
• It can have around 400k concurrent connections, with 25k new connections.
• It supports 5-port  Switch (including 4-Gigabit Ethernet port and 1-Fast Ethernet Ports).
• It supports 200 VLAN Interfaces.

ASA 5550

• ASA 5550 has unlimited users support.
• It has maximum throughput of around 1.2 Gbps.
• It has 3DES/AES/VPN throughput upto 425 Mbps.
• It can have around 5K VPN Peers.
• It can have around 650k concurrent connections, with 33k new connections.
• It supports  8-Gigabit Ethernet port, 4-SFP Fiber and 1-Fast Ethernet Ports).
• It supports 400 VLAN Interfaces.