ASA5525-K9 Cisco ASA 5525-X Firewall Edition
Cisco ASA5525-K9 ASA 5525-X Firewall Edition
Enterprise Cisco ASA 5525-X Firewall with Advanced Security, VPN, and Threat Protection
The Cisco ASA5525-K9 Firewall Appliance is a high-performance security solution from the Cisco ASA 5500-X Series, designed to deliver advanced firewall protection, secure VPN connectivity, and threat defense for enterprise networks. Built for branch offices, WAN edge deployments, and data center perimeter security, it provides scalable protection and reliable performance for modern business environments.
With firewall throughput of up to 2 Gbps, the ASA5525-K9 delivers fast and efficient traffic inspection for high-demand enterprise applications. It also supports IPsec VPN throughput up to 300 Mbps and IPS throughput up to 600 Mbps, enabling secure remote connectivity and advanced intrusion prevention without compromising network performance.
The appliance includes 8 Gigabit Ethernet ports and a dedicated management interface for flexible deployment and simplified administration. It supports up to 500,000 concurrent connections, along with 750 IPsec VPN peers and expandable SSL VPN capabilities for secure enterprise access.
Powered by Cisco ASA Software, the firewall provides advanced security features including stateful packet inspection, deep packet inspection, NAT, VPN encryption, IPv6 support, application visibility, and traffic management. Built-in support for 3DES and AES encryption ensures secure communications across enterprise networks.
Designed for high availability, the ASA5525-K9 supports both Active/Active and Active/Standby failover configurations, helping maintain continuous network protection in mission-critical deployments. Its modular architecture also includes an expansion slot for additional interfaces and services, allowing future scalability.
Ideal for enterprise branch security, WAN edge protection, data center perimeter defense, secure VPN connectivity, and mid-sized business network security, the Cisco ASA5525-K9 delivers enterprise-grade firewall performance, advanced threat protection, and reliable network security for growing organizations.
Product Specifications – Cisco ASA5525-K9 ASA 5500-X Series Firewall Appliance
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| Specification | Details |
|---|---|
| Product Name | Cisco ASA5525-K9 Firewall Appliance |
| Manufacturer | Cisco Systems |
| Part Number | ASA5525-K9 |
| Product Series | Cisco ASA 5500-X Series |
| Product Type | Firewall / Security Appliance |
| Firewall Throughput | Up to 2 Gbps |
| VPN Throughput | Up to 300 Mbps IPsec |
| IPS Throughput | Up to 600 Mbps |
| Interfaces | 8 × Gigabit Ethernet data ports |
| Management Port | 1 × Dedicated Management Port |
| Concurrent Connections | Up to 500,000 |
| IPsec VPN Peers | Up to 750 |
| SSL VPN Peers | 2 default (expandable via license) |
| Memory | 8 GB DRAM |
| Flash Memory | 8 GB |
| Expansion Slot | 1 × Expansion slot for interfaces/services |
| High Availability | Active/Active and Active/Standby supported |
| Encryption Support | 3DES and AES |
| Security Features | Stateful firewall, VPN, IPS, threat defense |
| VPN Support | IPsec VPN and SSL VPN |
| Inspection Features | Deep packet inspection and application visibility |
| NAT Support | Yes |
| IPv6 Support | Yes |
| Routing Support | Static and dynamic routing |
| QoS Features | Traffic prioritization and bandwidth management |
| Management | CLI, ASDM, SNMP |
| Operating System | Cisco ASA Software |
| Form Factor | 1 Rack Unit (1RU), rack-mountable |
| Cooling | Integrated cooling system |
| Deployment Type | Enterprise edge and branch security |
| Application | WAN edge, data center perimeter, VPN security |
| Reliability | Enterprise-grade security platform |
| Environment | Enterprise and mid-size business deployments |
| Condition | New / Refurbished / Cisco Certified |
| Use Cases | Branch security, remote access VPN, perimeter firewall, WAN protection |
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FAQs
Q1. What is the firewall throughput of ASA5525-K9?
It supports up to 2 Gbps firewall throughput.
Q2. How many VPN connections does it support?
It supports up to 750 IPsec VPN peers and scalable SSL VPN connections.
Q3. Is this firewall suitable for enterprise use?
Yes, it is designed for mid-size enterprise networks and data center edge deployments.
Q4. Does it support high availability?
Yes, it supports both Active/Active and Active/Standby configurations.
Q5. Is this model still supported?
This model is approaching end-of-life, so newer Cisco Firepower series is recommended for long-term deployments.
