The Cisco FPR4120-ASA-K9 is an enterprise and carrier-grade, 1U rack-mountable Firepower 4120 security hardware appliance pre-configured for Cisco ASA software image operational environments.
| Specification Parameter | Official Cisco Technical Details & Performance Metrics |
| Product Name | Cisco Firepower 4120 ASA Appliance Bundle |
| Part Number (SKU) | FPR4120-ASA-K9 |
| Chassis Form Factor | Standard 1RU Rack-Mountable Framework (Fits 19-inch racks) |
| Stateful Inspection Throughput | 60 Gbps (Standard baseline data traffic profile) |
| Multiprotocol Firewall Throughput | 30 Gbps (Heavy complex dynamic web/app traffic mix) |
| Maximum Concurrent Connections | 15,000,000 (15 Million Active Network Sessions) |
| New Connections Per Second | 250,000 (High-frequency connection building rate) |
| IPsec VPN Throughput (450B UDP) | 10 Gbps (Hardware-accelerated wire-speed cryptographic path) |
| Max Site-to-Site / AnyConnect Peers | 15,000 Concurrent Secure Remote Access Endpoints |
| Maximum Number of VLANs | Up to 1,024 Logically Segmented Networks |
| Security Contexts (Included / Max) | 10 Included; Expandable Up to 250 Virtual Contexts |
| Onboard Hardware Supervisor | Fixed 8 x 10-GbE SFP+ Ports with 2 Network Module (NM) Bays |
| Maximum Port Scaling Capacity | Up to 24 x 10-GbE SFP+ or up to 8 x 40-GbE QSFP+ Interfaces |
| Memory / Storage Capacity | 128 GB DDR4 SDRAM Matrix / 200 GB Secure SSD Asset |
| Power Infrastructure Redundancy | Dual (1+1) Hot-Swappable Slots; Default 1x 1100W AC PSU |
| Cooling & Thermal Architecture | 6 Hot-Swappable Active Fan Modules with 3+1 Redundancy |
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