Palo Alto Networks · PA-3400 series
Palo Alto Networks PA-3420
The Palo Alto Networks PA-3420 is a rackmount firewall that runs PAN-OS. Palo Alto Networks publishes a firewall throughput of 19 Gbps and a threat prevention throughput of 10 Gbps for it.
- Firewall throughput
- 19 Gbps
- Threat protection
- 10 Gbps
- IPsec VPN
- 9.9 Gbps
- Form
- Rackmount
Who it suits
As a rackmount unit it suits a head office, campus or data centre with a server rack. With protection switched on, plan for an internet line of no more than about two-thirds of the threat prevention throughput figure. For the PA-3420 that means a line of up to about 6.6 Gbps.
Palo Alto Networks PA-3420 specifications
| Performance | |
|---|---|
| Firewall throughput | 19 Gbps |
| Threat Prevention throughput | 10 Gbps |
| IPsec VPN throughput | 9.9 Gbps |
| Maximum concurrent sessions | 2.2 million |
| New sessions per second | 220,000 |
| Hardware | |
| Form factor | Rackmount |
Specifications from Palo Alto Networks's published data, checked October 2026. See Palo Alto Networks's firewall pages. Throughput figures are each manufacturer's own published numbers. Manufacturers test in different ways, so compare across brands with care. Confirm details before ordering.
What we do with it
- Supply
Firewall supply and installation
The right-sized firewall from any of the five brands, with its licence, installed and configured at your site.
- Audit
Firewall configuration and audit
A review of your rules, firmware, admin access and VPNs, with the weak points fixed and written down.
- Renewal
Firewall licence renewal
Renewals for FortiGuard, Sophos, Palo Alto Networks, SonicWall and Juniper subscriptions, quoted from your serial number.
- Migrate
Firewall migration
Move from an old firewall to a new one, same brand or another, with the rules and VPNs carried over.
Questions about the PA-3420
What internet speed can the PA-3420 handle?
Palo Alto Networks publishes a threat prevention throughput of 10 Gbps for the PA-3420. Leaving headroom for busy hours, that suits an internet line of up to about 6.6 Gbps with protection switched on. With inspection off, its firewall throughput is 19 Gbps.
How many connections can the PA-3420 handle?
Palo Alto Networks lists a maximum of 2.2 million concurrent sessions and 220,000 new sessions per second.
Does the PA-3420 need a licence?
The hardware works as a basic firewall on its own. Protection features such as intrusion prevention, web filtering and anti-malware need an active Palo Alto Networks subscription, and so do firmware updates and support. We quote the firewall with the licence term you choose.
Do you supply the PA-3420 with installation?
Yes. We supply it with its licence registered, install and configure it at your site, and hand over the logins and documentation. Ask for a quote on this page.
Similar Palo Alto Networks models
- Rackmount
Palo Alto Networks PA-1510-POE
Firewall 15 Gbps, threat protection 9 Gbps
- Rackmount
Palo Alto Networks PA-3410
Firewall 14 Gbps, threat protection 7.5 Gbps
- Rackmount
Palo Alto Networks PA-3430
Firewall 29 Gbps, threat protection 15 Gbps
- Rackmount
Palo Alto Networks PA-3510
Firewall 30 Gbps, threat protection 15 Gbps
Closest models from other brands
Throughput figures are each manufacturer's own published numbers. Manufacturers test in different ways, so compare across brands with care.
- Rackmount
Fortinet FortiGate 400F
threat protection 9 Gbps
- Rackmount
Sophos XGS 3300
Firewall 58 Gbps, threat protection 10 Gbps
- Rackmount
SonicWall NSa 4700
Firewall 18 Gbps, threat protection 9.5 Gbps
- Rackmount
Juniper SRX4120
Firewall 39 Gbps