ISR4321/K9 Overview Cisco ISR4321/K9 is a highly efficient and versatile ICT product that offers a system throughput of 50Mbps-100Mbps. It features 2 WAN/LAN ports, 1 SFP port, a multi-Core CPU, 2 NIM slots, and supports security, voice, WAAS, Intelligent WAN, OnePK, and AVC. Compare to Similar Items Model Differences ISR4331-SEC/K9 Higher system throughput ISR4321-VSEC/K9 Additional voice and security features ISR4331/K9 More WAN/LAN ports ISR4321/K9 Specification ISR4321/K9 Specifications System Throughput 50Mbps-100Mbps WAN/LAN Ports 2 SFP Port 1 CPU Multi-Core Management port 1 GE (Integated Out of Band) Security Included Voice Included PoE support (wattage) with PoE boost 260 W USB Ports (type A) 1 Default/max Flash 4 GB / 8 GB Performance 50 Mbps Upgradeable to 100 Mbps Power supply type External: AC, PoE Redundant power supply No Form factor 1 rack unit (RU), desktop Cisco Cloud Web Security Yes PoE support (wattage) without PoE boost 120 W
