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Cisco ASA5520 vs Cisco ASA5540

    17.52 in
    1.73 in
    Cisco ASA5520 Firewall
    Cisco ASA5520
      7.89 in
      1.75 in
      Cisco ASA5540 Firewall
      Cisco ASA5540
      User rating
      34
      4.2 out of 5
      34 user ratings
      5 stars
      		38 %
      4 stars
      		44 %
      3 stars
      		17 %
      2 stars
      		0 %
      1 stars
      		0 %
      40
      4.1 out of 5
      40 user ratings
      5 stars
      		37 %
      4 stars
      		35 %
      3 stars
      		25 %
      2 stars
      		2 %
      1 stars
      		0 %

      Full Comparison

      Units:

      General

      Cisco ASA5520Cisco ASA5520
      Cisco ASA5540Cisco ASA5540
      Connectivity technologyWiredWired
      Throughput450.0 Mbps650.0 Mbps

      Design

      Cisco ASA5520Cisco ASA5520
      Cisco ASA5540Cisco ASA5540
      Form factorRack-mountable1U
      Rack mountingyesyes

      Dimensions

      Cisco ASA5520Cisco ASA5520
      Cisco ASA5540Cisco ASA5540
      Width17.52 in7.89 in
      Height1.73 in1.75 in
      Depth13.19 in14.25 in
      Weight320.99 oz319.93 oz

      Technical details

      Cisco ASA5520Cisco ASA5520
      Cisco ASA5540Cisco ASA5540
      Concurrent connections280000280000
      Internal memory512.0 mB1024.0 mB
      Storage media typeFlashFlash
      Built-in routeryesyes

      Connectivity

      Cisco ASA5520Cisco ASA5520
      Cisco ASA5540Cisco ASA5540
      Connector locationExternalExternal
      Gigabit Ethernet (copper) ports quantity44
      Serial ports quantity22
      USB 2.0 ports quantity22

      Network

      Cisco ASA5520Cisco ASA5520
      Cisco ASA5540Cisco ASA5540
      Wi-Finono
      VPN throughput225.0 Mbps325.0 Mbps
      Total data transfer rate1000.0 Mbps1000.0 Mbps
      Maximum firewall connections per second1200025000
      Number of VLANs150200
      Mobile VPN SSL22
      Mobile VPN IPSec7505000

      Security

      Cisco ASA5520Cisco ASA5520
      Cisco ASA5540Cisco ASA5540
      Security algorithmsDESDES

      Power

      Cisco ASA5520Cisco ASA5520
      Cisco ASA5540Cisco ASA5540
      AC input voltage100.0 V100.0 V
      AC input frequency47.0 Hz50.0 Hz
      Peak power190.0 W134.0 W
      Operating temperature0 - 400 - 40

      Pros & Cons

      Pros
          Cons