Next-Generation Firewalls

Secure your network with Palo Alto Networks’ industry-leading next-generation firewalls — delivering deep visibility, advanced threat prevention, and zero-trust security.

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Why Palo Alto Networks?


App-ID™ Technology

Identify and control applications regardless of port, protocol, encryption, or evasive techniques.

Threat Prevention

Stop known and unknown threats with inline machine-learning-powered prevention.

Zero Trust Security

Enforce least-privilege access with User-ID™ and consistent policy enforcement.

Cloud-Ready

Protect on-prem, cloud, and hybrid environments with a unified security platform.

Security Without Compromise

Palo Alto Networks NGFWs deliver best-in-class performance, simplified management, and comprehensive visibility across your entire attack surface.

Common Use Cases


Enterprise Network Security

Secure large-scale enterprise networks with granular policy control and advanced threat detection.

Data Center Protection

Prevent lateral movement and protect critical assets in modern data centers.

Cloud & Hybrid Environments

Extend consistent security policies across AWS, Azure, and Google Cloud.

Hardware Performance Comparison

Metric PA-400 Series
PA-410, PA-440, PA-450, PA-455, PA-460
PA-500 Series (Newer Models)
PA-520, PA-540, PA-545-POE, PA-550, PA-555-POE, PA-560
PA-1400 Series
PA-1420, PA-1450, PA-1480
Typical Function / Use Case Entry / branch offices, retail, SMBs Enterprise branch & distributed sites Large branch / campus, high throughput
Firewall Throughput ~1.4–3.6Gbps (varies by model) PA-520: ~2.8Gbps
PA-540: ~3.8Gbps
PA-545-POE: ~5.0Gbps
PA-550: ~6.5Gbps
PA-555-POE: ~7.5Gbps
PA-560: ~8.5Gbps
~8.9–9.9Gbps
Threat Prevention Throughput ~0.8–2.3Gbps PA-520: ~1.8Gbps
PA-540: ~2.2Gbps
PA-545-POE: ~3.0Gbps
PA-550: ~4.5Gbps
PA-555-POE: ~5.0Gbps
PA-560: ~6.0Gbps
~3.3–5.0Gbps
IPsec VPN Throughput ~0.65–1.7Gbps PA-520: ~1.5Gbps
PA-540: ~2.0Gbps
PA-545-POE: ~3.0Gbps
PA-550: ~4.0Gbps
PA-555-POE: ~4.5Gbps
PA-560: ~5.5Gbps
~4.6–6.5?Gbps
Max Concurrent Sessions ~64,000–300,000+ PA-520: ~148K
PA-540: ~248K
PA-545-POE: ~298K
PA-550: ~398K
PA-555-POE: ~448K
PA-560: ~598K
~945,000–1,400,000
New Sessions / sec ~10,000–56,000 PA-520: ~25K
PA-540: ~50K
PA-545-POE: ~55K
PA-550: ~70K
PA-555-POE: ~75K
PA-560: ~100K
~100,000–140,000
Typical Deployment Scale Small to medium branch Medium branch / distributed sites Large branches / enterprise campus