The Cisco FPR4120-NGFW-K9 is an enterprise and carrier-grade, 1U rack-mountable Firepower 4120 Next-Generation Firewall (NGFW) running the unified Firepower Threat Defense (FTD) software image. Purpose-built for hyper-scale enterprise perimeters, high-density data center internet edges, and core corporate campus boundaries, this robust security hardware platform delivers uncompromised multi-layered defense frameworks. By converging traditional firewall capabilities with advanced Application Visibility and Control (AVC), Next-Generation IPS (NGIPS), Advanced Malware Protection (AMP), and URL filtering onto a specialized low-latency supervisor architecture, it drives 15 Gbps of continuous NGFW threat inspection throughput, ensuring advanced perimeter resilience without introducing application processing bottlenecks.
| Specification Parameter | Official Cisco Technical Details & Performance Metrics |
| Product Name | Cisco Firepower 4120 NGFW (FTD) Appliance Bundle |
| Part Number (SKU) | FPR4120-NGFW-K9 |
| Chassis Form Factor | Standard 1RU Rack-Mountable Framework (Fits 19-inch racks) |
| Firewall Throughput (L3/L4) | 60 Gbps (Standard stateful inspection data profile) |
| NGFW Throughput (FW + AVC) | 15 Gbps (Real-world application-layer filtering visibility) |
| Threat Protection Throughput | 15 Gbps (Simultaneous FW + AVC + NGIPS scanning matrix) |
| IPS Throughput (Next-Gen IPS) | 15 Gbps (Deep signature pattern inspection execution) |
| Maximum Concurrent Connections | 15,000,000 (15 Million Active FTD Network Sessions) |
| New Connections Per Second | 200,000 (High-frequency session initialization rate) |
| IPsec VPN Throughput (450B UDP) | 10 Gbps (Hardware-accelerated cryptographic line rate) |
| Max Site-to-Site / AnyConnect Peers | 15,000 Concurrent Secure Remote Access Endpoints |
| URL Filtering URL Capacity | Over 280,000,000 Categorized Top-Level Domains |
| 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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