ISR4331/K9 Overview Cisco ISR4331/K9 is a highly advanced router that offers exceptional performance and versatility. With a system throughput of 100Mbps-300Mbps, this router ensures smooth and seamless network connectivity. It features 3 WAN/LAN ports, 2 SFP ports, and a multi-Core CPU, making it perfect for small to medium-sized businesses. Compare to Similar Items Model Differences ISR4321/K9 Lower system throughput (50Mbps-100Mbps) ISR4351/K9 Higher system throughput (200Mbps-400Mbps) ISR4431/K9 Additional WAN/LAN ports (4 ports) ISR4331/K9 Specification ISR4331/K9 Specifications Product Model Cisco ISR4331/K9 System Throughput 100Mbps - 300Mbps WAN/LAN Ports 3 SFP Ports 2 Service Module Slots 1 Processor Multi-Core CPU Flash Memory Installed 4 GB Max Flash Memory Supported 16 GB Memory Technology DDR3 SDRAM RAM Installed 4 GB Product Type Router Frequency 50/60 hertz Power Provided 250 watt Rack Mounting Kit Included Dimensions(H X W X DпїЅ?/stronggt, 1.8 x 17.2 x17.2 inch