Cisco ASA 5505 vs Cisco ASA 5510

Which one is better?

As usual, it depends on what you need, but read on for our opinions.
Up front, we’ll mention that the 5505 is considerably less expensive than the 5510. Pricing is trending downward, so send a quick email for current pricing.
Cisco ASA 5505 vs Cisco ASA 5510 current pricing request.

Primary differences:

  • 5505 can switchport trunk with security plus license, 5510 uses subinterfaces to trunk.
  • 5510 supports more encrypted/unencrypted throughput.
  • 5505 doesn’t support stateful failover. Failover is possible, but is stateless active/standby failover. but if needed, you are better off moving up to the 5520.
  • 5505 is not rack mounted. PN ASA5505-RACK-MNT= is a rack mount kit, but it’s not a perfect 1U fit.
  • The 5510 just has more grunt to handle additional connections, throughput and users. Functionally they are about identical.
  • The 5510 supports HSRP (Hot Standby Router Protocol) , whereas the 5505 does not.
  • The 5505 has more physical interfaces (including two PoE ports). The 5510 has only four physical interfaces.

More on the extra interfaces on the 5505:

The thinking behind the 5505 having more interfaces is that it is designed more as a branch office device. This will allow the extra switchports to function not only as a firewall and router, but also as a switch, making it more like an all-in-one device.
So, if your environment required a 5510 you would already have a separate switch and would not need the ASA to do the switching.

Do you have other differences or disagree with ours? Let us know in the comments at the bottom of this page.
Not sure what you need? Give us a quick call and we will help you decide which is best for you: 855-932-6627

Cisco ASA 5505 and 5510

Cisco ASA 5505 and 5510

 Cisco ASA 5505Cisco ASA 5510
Users/Nodes10, 50, or unlimitedUnlimited
Firewall ThroughputUp to 150 MbpsUp to 300 Mbps
Max Firewall and IPS ThroughputUp to 150 Mbps with AIP-SSC-5Up to 150 Mbps with AIP-SSM-10 or 300Mbps with AIP-SSM-20
3DES/AES VPN ThroughputUp to 100 MbpsUp to 170 Mbps
IPsec VPN Peers10; 25250
Premium AnyConnect VPN Peers2 included / 25-or more max2 included / 250 max
Concurrent Connections10,000; 25,00050,000; 130,000
New Connections/Second40009000
Integrated Network Ports8-port Fast Ethernet switch (including 2 PoE ports)5 Fast Ethernet ports; 2 Gigabit Ethernet + 3 Fast Ethernet ports
VLANs3/20 (with trunking support)50/100
Security Contexts0max 5 with Security Plus
Expansion Slot1, SSC1, SSM
Flash Slot01
USB 2.0 Ports32
Serial Ports1 RJ-45 console2 RJ-45, console and auxiliary
Memory512 MB1 GB
Minimum System Flash128 MB256 MB
Form FactorDesktop or ASA5505-RACK-MNT=1 RU, 19-in. rack-mountable
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