Product Description : 
The SRX4000 line of services gateways brings you integrated security and networking features for protecting next-generation services and applications. These gateways are designed for small to medium-sized enterprise campuses and data centers. They can also serve as secure routers and VPN concentrators, as well as offer SD-WAN 
capabilities.

SRX4000 Services Gateways set a new benchmark for price and performance while enabling secure migration into hybrid clouds.

The SRX4000 line includes two models, each of which delivers market-leading performance, scalability, and security services in a compact, 1 U platform:
The SRX4100 supports up to 20 Gbps IMIX and 5 Gbps next-generation firewall performance
The SRX4200 supports up to 40 Gbps IMIX and 10 Gbps next-generation firewall performance