ASA5525-K9 Firewall with 3DES/AES encryption.

Cisco ASA5525-K9 - ASA 5525-X Adaptive Security Appliance

The ASA5525-K9 delivers high-performance firewall and VPN capabilities in a 1RU form factor, ideal for midsize enterprise edge deployments. It offers scalable security, modular expansion, and support for advanced threat defense services.

🔧 Key Specifications

• Firewall Throughput: Up to 2 Gbps
• VPN Throughput: Up to 450 Mbps
• Concurrent Sessions: Up to 500,000
• Interfaces: 8x Gigabit Ethernet ports
• VLANs: 100 (with Security Plus license)
• Memory: 8 GB RAM
• Flash Storage: 8 GB
• Expansion Slot: 1 SSD bay for IPS or FirePOWER module
• Form Factor: 1RU rack-mountable
• Dimensions: 43.9 x 36.8 x 4.45 cm
• Weight: Approx. 7.5 kg
• Power Supply: Internal AC
• Failover Support: Active/Standby with Security Plus license
• Encryption: Supports 3DES/AES

🧩 Ideal Use Cases

• Midsize enterprise firewall
• Secure VPN concentrator
• Environments requiring modular IPS or FirePOWER expansion
• High-throughput edge security with scalable session handling

⚙️ Licensing & Expansion
The base model includes firewall and VPN functionality. Optional licenses enable high availability, expanded VLANs, and advanced threat defense features such as IPS, AMP, and URL filtering via FirePOWER services.