juniper SRX Series SRX5800
The Juniper SRX5800 is a 16-slot 16U modular security services gateway delivering industry-leading firewall scale for global telecommunications service providers, hyperscale cloud operators, and sovereign government networks. Accommodating sixteen line card slots with up to 2 Tbps of firewall throughput and 400 Gbps of IPsec VPN throughput, the SRX5800 scales to 260 million concurrent sessions. Its carrier-grade architecture delivers continuous zero-downtime maintenance, hitless failover, and hardware-accelerated traffic inspection at terabit velocity.
Specifications
| Brand | juniper |
|---|---|
| Family | SRX Series |
| Form factor | 16U modular chassis |
| Released | Mar 2008 |
| Slots | 16 modular line card slots, dual routing engines, redundant switch fabric cards |
| Form factor | 16U modular rack enclosure with dual high-output cooling fan trays |
| Firewall throughput | Up to 2 Tbps stateful firewall throughput with full SPC3 deployment |
| Vpn throughput | Up to 400 Gbps IPsec VPN throughput |
| Session scale | Up to 260 million concurrent sessions and 3.5 million new sessions per second |
Generations
- Previous generation: juniper SRX Series SRX5600
Check compatibility with Juniper
Before you buy, confirm the exact configuration against the vendor's own lists: firmware levels, operating systems, adapters and optics that Juniper has tested with the juniper SRX Series SRX5800.
- Compatibility Juniper Hardware Compatibility Tool (optics and modules)
- Specifications Juniper TechLibrary
- Support Juniper Support
FAQ
What is the maximum throughput possible on a fully loaded SRX5800?
Populated with next-generation SPC3 processing cards, the SRX5800 delivers up to 2 Tbps of stateful firewall throughput.
Does the SRX5800 support carrier-grade NAT (CGNAT)?
Yes, it provides carrier-grade NAT44, NAT64, and DS-Lite processing for large-scale mobile subscriber networks.
Buying or selling SRX5800?
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
- Juniper SRX5800 Product Overview, checked 2026-10-27
- Juniper SRX5800 Datasheet, checked 2026-10-27