Cisco ASA5525-K8 Enterprise Firewall Appliance

What It Is

The Cisco ASA5525-K8 is a hardware firewall gateway from the Cisco ASA 5525-X series, designed for enterprise network perimeter security. This model integrates firewall, VPN, and UTM capabilities in a 1U appliance, with eight Gigabit Ethernet data ports plus a dedicated management interface. The unit ships with the ASA software and DES encryption support, making it suitable for secure branch office and mid-size deployment environments.

Technical Details

• Form Factor: 1U rack-mountable appliance
• Data Interfaces: 8 x Gigabit Ethernet (GE) data ports
• Management Interface: 1 x Gigabit Ethernet (GE) Mgmt port
• Encryption: DES (Data Encryption Standard)
• Power Supply: AC
• Software: ASA (Adaptive Security Appliance) software included
• Model Family: Cisco ASA 5525-X series

Configuration & Options

• Base unit includes ASA software, 8 GE data ports, 1 GE management port, AC power, and DES encryption
• Optional upgrade path to ASA5525-CU-K9: same chassis with 14 GE data ports, 1 GE Mgmt, and 3DES/AES encryption
• Alternative DC-powered variant (ASA5525-DC-K8) available for data center environments with 8 GE data ports and DES
• FirePOWER services bundle (ASA5525-FPWR-BUN) and FirePOWER with DES (ASA5525-FPWR-K8) are offered as separate SKUs for integrated threat defense

Operating Conditions

This firewall is intended for deployment at network perimeter or segmentation points within enterprise LAN/WAN architectures. It operates as a dedicated security gateway in temperature-controlled server rooms or network closets. The AC-powered model suits standard facility power, while the DC option addresses telecom and data center racks with DC power distribution. The appliance is designed for continuous operation in always-on network infrastructure.