paloalto PA Series PA-5420
The Palo Alto Networks PA-5420 is a 2U enterprise datacenter firewall delivering 75 Gbps of firewall throughput, 40 Gbps of threat prevention throughput, and 33 Gbps of IPsec VPN throughput. Equipped with four 100GbE QSFP28 ports, sixteen 10G/25G SFP28 interfaces, and dual redundant power supplies, the PA-5420 is engineered for intense internal segmentation, high-bandwidth cloud interconnects, and multi-gigabit perimeter inspection in modern enterprise datacenters.
Specifications
| Brand | paloalto |
|---|---|
| Family | PA Series |
| Form factor | 2U rack |
| Released | Nov 2021 |
| Interfaces | 4x 40G/100G QSFP28, 16x 10G/25G SFP28, and 2x Gigabit copper management ports |
| Firewall throughput | 75.0 Gbps App-ID firewall throughput |
| Threat prevention | 40.0 Gbps threat prevention throughput |
| Ipsec vpn | 33.0 Gbps IPsec VPN throughput |
| Concurrent sessions | Supports up to 10 million concurrent sessions and 390,000 new sessions per second |
| Cooling and power | Dual hot-swappable AC or DC power supplies and field-replaceable fan trays |
Generations
- Previous generation: paloalto PA Series PA-5250
- Next generation: paloalto PA Series PA-5430
Check compatibility with Palo Alto Networks
Before you buy, confirm the exact configuration against the vendor's own lists: firmware levels, operating systems, adapters and optics that Palo Alto Networks has tested with the paloalto PA Series PA-5420.
- Compatibility Palo Alto Networks Compatibility Matrix
- Support Palo Alto Networks Support
Equivalent models from other brands
FAQ
How does the PA-5420 compare to the PA-5250?
The PA-5420 more than doubles threat prevention throughput (40 Gbps vs 19 Gbps) and adds native 25GbE interfaces.
Does the PA-5420 support line-rate decryption?
Yes, dedicated hardware crypto processors deliver high-throughput SSL/TLS inspection.
Buying or selling PA-5420?
New, refurbished or used. Tell us the quantity and condition and we connect you with a vetted reseller in your region, usually within one working day.
Sources
- Palo Alto Networks PA-5420 Product Overview, checked 2026-10-27
- Palo Alto Networks PA-5420 Datasheet, checked 2026-10-27