juniper SRX Series SRX4100
The Juniper SRX4100 is a compact 1U datacenter firewall delivering high-density 10GbE connectivity and hardware-accelerated security processing. Providing eight fixed 10GbE SFP+ ports, the SRX4100 achieves up to 40 Gbps of stateful firewall throughput, 10 Gbps of IPsec VPN throughput, and 10 Gbps of next-generation firewall (NGFW) inspection. Designed with dual redundant power supplies and reversible front-to-back or back-to-front cooling, the SRX4100 maintains active liquidity among enterprise datacenter and cloud service providers.
Specifications
| Brand | juniper |
|---|---|
| Family | SRX Series |
| Form factor | 1U rack |
| Released | Jun 2016 |
| Ports | 8x fixed 10GbE SFP/SFP+ optical ports |
| Firewall throughput | 40 Gbps stateful firewall throughput |
| Vpn throughput | 10 Gbps IPsec VPN throughput |
| Ngfw throughput | 10 Gbps application security and IPS inspection throughput |
| Cooling and power | Dual redundant hot-swappable AC or DC power supplies and reversible fans |
Generations
- Previous generation: juniper SRX Series SRX1500
- Next generation: juniper SRX Series SRX4200
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 SRX4100.
- Compatibility Juniper Hardware Compatibility Tool (optics and modules)
- Specifications Juniper TechLibrary
- Support Juniper Support
FAQ
Can the SRX4100 ports operate at 1GbE speeds?
Yes, the SFP+ optical ports auto-negotiate down to 1GbE when populated with standard 1G transceivers.
Does the SRX4100 support SSL inspection?
Yes, hardware-assisted SSL/TLS forward proxy and reverse proxy inspection are supported natively.
Buying or selling SRX4100?
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 SRX4100 Product Overview, checked 2026-10-27
- Juniper SRX4100 Datasheet, checked 2026-10-27