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Cisco FPR4110-NGFW-K9 vs FPR-4120-K9: High-Performance Firewall Face-Off
Jun 24 , 2025 31

Cisco FPR4110-NGFW-K9 vs FPR-4120-K9: High-Performance Firewall Face-Off


FPR4110-NGFW-K9 vs FPR-4120-K9


When evaluating Cisco's enterprise-grade firewall solutions, the FPR4110-NGFW-K9 and FPR-4120-K9 represent two high-performance options with distinct capabilities. This in-depth comparison provides security professionals with critical insights to determine the optimal solution for their network protection needs.

Technical Specifications Comparison

FeatureFPR4110-NGFW-K9FPR-4120-K9
Processor12-core 2.8 GHz16-core 3.2 GHz
System Memory48 GB DDR464 GB DDR4
Storage720 GB SSD960 GB SSD
Firewall Throughput18 Gbps25 Gbps
IPS Throughput12 Gbps15 Gbps
Threat Inspection6 Gbps8 Gbps
Power Consumption200W (typical)280W (typical)
Network Interfaces12x 1/10G SFP+16x 1/10/25G SFP28

The FPR-4120-K9 delivers 20-30% greater performance metrics, positioning it as Cisco's premium security appliance compared to the high-performance FPR4110-NGFW-K9.

Functional Capabilities Analysis

1. Security Performance

  • Connection Handling:

    • FPR-4120: 1.2 million concurrent sessions

    • FPR4110: 900,000 concurrent sessions

  • Encrypted Traffic:

    • 25% faster TLS inspection

    • 30% more SSL decryption sessions

    • Lower latency impact

    • FPR-4120 advantages:

2. Advanced Security Features

Shared Capabilities:

  • Cisco Firepower Threat Defense

  • Next-gen IPS/IDS

  • Advanced Malware Protection

  • URL filtering

  • Cloud-delivered threat intelligence

FPR-4120 Exclusives:

  • Hardware crypto acceleration

  • AI-based anomaly detection

  • Advanced sandboxing options

  • Behavioral analytics engine

Physical Design Comparison

Chassis Architecture:

  • FPR-4120-K9:

    • 2RU enterprise chassis

    • Hot-swappable components

    • Redundant power options

    • Front/rear port access

  • FPR4110-NGFW-K9:

    • 1.5RU compact design

    • Fixed cooling system

    • Single power supply

    • Front-access ports

Environmental Specifications:

  • Operating temperature:

    • Both: 0 to 40°C

  • Physical dimensions:

    • FPR-4120: 2RU, 17.5" deep

    • FPR4110: 1.5RU, 16" deep

  • Weight:

    • FPR-4120: 28 lbs

    • FPR4110: 22 lbs

User Experience Evaluation

Administration & Management:

  • Both utilize:

    • Firepower Management Center

    • Cisco Defense Orchestrator

    • REST API/SDK access

    • Multi-device management

Operational Differences:

  • FPR-4120 Advantages:

    • Centralized policy management

    • Enhanced traffic analytics

    • Granular reporting tools

  • FPR4110 Strengths:

    • Faster initial deployment

    • Simplified configuration

    • Lower administrative overhead

Real-World Performance:

  • Policy impact:

    • FPR-4120: <0.5ms latency

    • FPR4110: 1-2ms latency

  • Log processing:

    • FPR-4120 handles 40% more events/sec

Pricing & Total Cost Analysis

Acquisition Costs:

  • FPR4110-NGFW-K9: 32,00038,000

  • FPR-4120-K9: 45,00055,000

Operational Expenditures:

  • Power consumption difference: ~$100/year

  • Rack space requirements:

    • FPR-4120 needs 33% more space

  • Support contracts:

    • FPR-4120 requires higher-tier licensing

Five-Year TCO Considerations:

  • FPR-4120 justified for:

    • High-security environments

    • Large-scale deployments

    • Future growth needs

  • FPR4110 economical for:

    • Enterprise perimeter security

    • Data center edge

    • Performance-focused budgets

Power Efficiency Metrics

Power Specifications:

  • Input options:

    • Both support AC power

    • FPR-4120 offers DC option

  • Energy monitoring:

    • Both provide real-time metrics

Efficiency Comparison:

  • Performance per watt:

    • FPR-4120: 89 Mbps/W

    • FPR4110: 90 Mbps/W

  • Idle power draw:

    • FPR-4120: 150W

    • FPR4110: 120W

Compatibility & Ecosystem Integration

Third-Party Interoperability:

  • Both support:

    • SIEM integration

    • Threat intelligence feeds

    • Cloud security services

    • API-based automation

FPR-4120 Enhanced Integration:

  • Cisco SecureX platform

  • Advanced SOAR capabilities

  • Enterprise logging systems

  • SD-WAN security integration

Expansion Options:

  • FPR-4120 accommodates:

    • Security service modules

    • Additional storage

    • Hardware accelerators

  • FPR4110 limited to:

    • Software-based expansion

    • Fixed storage capacity

Software Support & Lifecycle

Current Software Features:

  • FPR-4120 receives:

    • Early access features

    • Premium threat intelligence

    • Advanced analytics

  • FPR4110 gets:

    • Core security features

    • Standard threat updates

    • Enhanced reporting

Security Updates:

  • Both receive:

    • Regular vulnerability patches

    • 5+ years of maintenance

  • FPR-4120 qualifies for:

    • Extended threat intelligence

    • Critical security updates

Future Roadmap:

  • FPR-4120 positioned for:

    • Quantum-safe cryptography

    • AI-driven security

    • Cloud-scale protection

  • FPR4110 focuses on:

    • Performance enhancements

    • Cloud integration

    • Core security updates

Decision Framework

Select FPR4110-NGFW-K9 When:
✔ Enterprise security needs
✔ Budget 30,00040,000
✔ Data center edge deployments
✔ Balanced performance requirements

Choose FPR-4120-K9 When:
✔ Mission-critical security
✔ Maximum throughput needed
✔ Advanced threat prevention
✔ Can justify 30-40% premium

Key Selection Criteria:

  1. Security requirements

  2. Network throughput needs

  3. Threat protection level

  4. Available security budget

The FPR-4120-K9 serves as Cisco's premium security appliance, while the FPR4110-NGFW-K9 provides excellent protection for performance-conscious enterprises. These solutions share common security foundations but differ in their maximum capabilities and expansion options.

Implementation Tip: Analyze your encrypted traffic patterns before selection—the performance difference becomes most apparent when inspecting TLS/SSL traffic at scale. Consider Cisco's Security Assessment Services for proper sizing guidance when evaluating these platforms for critical deployments.


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