ISR4351-SEC/K9 Overview The Cisco 4000 series integrated services routers (ISR) include a revolutionary converged branch platform with industry-leading network, compute, and WAN services. These routers can seamlessly extend cloud services across remote sites, and help you accelerate the digitization of your business. Use the 4000 series to effectively transition to a hybrid WAN architecture. Cisco 4000 series ISRs introduce chassis, modules, and WAN services with a robust management framework and validated designs for the Cisco intelligent WAN. Cisco 4000 platforms, together with Cisco UCS server modules, provide a flexible platform that can easily adapt to the changing application landscape. Use these routers to support all cloud applications on any device. Compare to Similar Items Technical Specifications ISR4461/K9 ISR4451-X/K9 ISR4431/K9 ISR4351/K9 ISR4331/K9 ISR4321/K9 ISR4221/K9 Aggregate Throughput 1.5Gbps 1 Gbps to 2 Gbps 500 Mbps to 1 Gbps 200 Mbps to 400 Mbps 100 Mbps to 300 Mbps 50 Mbps to 100 Mbps 35 Mbps to 75 Mbps Total onboard WAN or LAN 10/100/1000 ports 4 4 4 3 3 2 2 RJ-45-based ports 4 4 4 3 2 2 2 SFP-based ports 4 4 4 3 2 1 1 Enhanced service-module slots 3 2 0 2 1 0 0 Doublewide service-module slots 2 1 (assumes no singlewide SM-X modules installed) 0 1 (assumes no singlewide SM-X modules installed) 0 0 0 NIM slots 3 3 3 3 2 2 2 OIR (all I/O modules) Yes Yes Yes Yes Yes Yes No Onboard ISC slot 1 1 1 1 1 1 No ISR4351/K9 Specification Cisco ISR4351/K9 Specification Aggregate Throughput 200 Mbps to 400 Mbps Total onboard WAN or LAN 10/100/1000 ports 3 RJ-45-based ports 3 SFP-based ports 3 Enhanced service-module slots 2 Doublewide service-module slots 1 (assumes no singlewide SM-X modules installed) NIM slots 3 OIR (all I/O modules) Yes Onboard ISC slot 1 Default memory double-data-rate 3 (DDR3) error-correction-code (ECC) DRAM (Combined control/services/data planes) 4 GB Maximum memory DDR3 ECC DRAM (Combined control/services/data planes) 16 GB Default memory DDR3 ECC DRAM (data plane) NA Maximum memory DDR3 ECC DRAM (data plane) NA Default memory DDR3 ECC DRAM (control/services plane) NA Maximum memory DDR3 ECC DRAM (control/services plane) NA Default flash memory 4 GB Maximum flash memory 16 GB External USB 2.0 slots (type A) 2 USB console port -type B mini (up to 115.2 kbps) 1 Serial console port - RJ45 (up to 115.2 kbps) 1 Serial auxiliary port - RJ45 (up to 115.2 kbps) 1 Power-supply options Internal: AC, DC, and PoE Redundant power supply N/A AC input voltage 100 to 240 VAC autoranging AC input frequency 47 to 63 Hz AC input current range, AC power supply (maximum) 7.1 to 3.0A AC input surge current 60 A peak and less than 12 Arms per half cycle Typical power (no modules) (watts) 48 Maximum power with AC power supply (watts) 430 Maximum power with PoE power supply (platform only) (watts) 990 Maximum endpoint PoE power available from PoE power supply (watts) 500