Cisco 4000 Series Integrated Services Routers
Build your digital branch

Why upgrade to an ISR 4000 Series router

Power in a modest form factor

The ISR 4000 delivers performance, reliability, and security to WAN branches without taking up much space.

Trustworthy

The ISR 4000's hardware defenses and responsible supply chain protect product and data integrity.

SD-WAN-ready

The industry-leading ISR 4000 can be managed centrally with Cisco SD-WAN.

Cisco ISR 4000 Series Routers

ISR 4221

• GE/SFP integrated WAN ports
• 1.2-Gbps performance
• 75-Mbps encrypted throughput

ISR 4331

• GE/SFP integrated WAN ports
• 2-Gbps+ performancee
• 500-Mbps encrypted throughput

ISR 4431

• PoE GE/SFP, GE/SFP integrated WAN ports
• 4-Gbps + performance
• 900-Mbps encrypted throughput

ISR 4461

• 10 GE SFP+, PoE GE/SFP, GE/SFP integrated WAN ports
• 10-Gbps+ performance
• 7-Gbps encrypted throughput