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Silver rack-mount network security appliance front panel with Cisco branding

Cisco Systems, Inc.

Cisco Systems, Inc. ASA5525-K8 firewall appliance

SKU CH-HB30-197CY MPN ASA5525-K8

A wired firewall appliance delivering integrated intrusion prevention, malware protection, and content filtering for midsize network security

  • TypeWired
  • FeaturesFirewall Protection:Access Control Anti-spyware Antivirus Ap
  • Package ContentsASA 5525-X Firewall Edition 1 x AC Power Supply
  • Enterprise-grade firewall protection for midsize networks
  • Integrated intrusion prevention and malware defence
  • Application-layer filtering with content control
  • Remote access authentication and anti-spyware scanning
  • Wired ASA 5525-X appliance with AC power supply

Cisco ASA 5525-X Firewall Appliance

The Cisco ASA 5525-K8 is a wired network security appliance designed for midsize businesses and distributed enterprises that need enterprise-grade protection at the Internet edge. It integrates proven firewall capabilities with a broad suite of integrated security services including intrusion prevention, malware protection, and application layer filtering within the Cisco SecureX framework.

Thermal Design and Power Consumption

The unit ships with a single AC power supply to support continuous operation in standard rack environments. Its wired architecture and dedicated security processing hardware are built to deliver consistent throughput for sustained inspection tasks without relying on burst-oriented performance patterns.

Sustained Load Behaviour and Scalability

The ASA 5500 Series MultiScale architecture allows the platform to maintain security efficacy under persistent traffic loads typical of Internet edge deployments. Modular scalability and feature extensibility enable the appliance to adapt to growing bandwidth demands and evolving threat landscapes without requiring a complete hardware replacement.

Highlights

  • Enterprise-grade firewall protection for midsize networks
  • Integrated intrusion prevention and malware defence
  • Application-layer filtering with content control
  • Remote access authentication and anti-spyware scanning
  • Wired ASA 5525-X appliance with AC power supply

Specifications

BrandCISCO
SeriesASA 5500 Series
ModelASA5525-K8
TypeWired
FeaturesFirewall Protection:Access Control
Anti-spyware
Antivirus
Application Layer Filtering
Content Filtering
Intrusion Prevention
Malware Protection
Remote Access Authentication
Worm Scanning
Package ContentsASA 5525-X Firewall Edition
1 x AC Power Supply
Shipping weight9.21 kg
Package size610 × 510 × 200 mm

Questions about this item

How do I install the ASA 5525-X firewall appliance and what step is most often missed?

Place the unit on a stable surface or rack shelf, connect the AC power supply to a grounded outlet, and link the management cable to the console port; the step most often missed is saving the initial configuration before the first reboot.

What maintenance or replacement will the ASA 5525-K8 need over time?

The internal fan assembly and the single AC power supply are the only field-replaceable parts; plan to swap the fan every few years and keep a spare power supply on hand for rapid recovery.

Which limit appears first on the ASA 5525 under sustained heavy traffic?

The state-table capacity and CPU utilisation on the 5525 platform reach their ceiling before the backplane bandwidth does, so connection-count exhaustion is the first bottleneck during prolonged peak loads.

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