Cisco ISR4351-SEC/K9 Router 400Mbps throughput, 3 WAN/LAN ports, 3 SFP ports, multi-Core CPU, Security, VPN, WAAS, Intelligrnt WAN

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SPECIFICATIONS

Brand Name: CISCO

Frequency: 2.4G & 5G

Model Number: ISR4351-SEC/K9

Network: Wireless LAN

Speed: 2.4GHz 300Mbps + 5GHz 867Mbps

Type: Enterprise Router

Product Description

Cisco ISR4351-SEC/K9 (3GE,3NIM,2SM,4G FLASH,4G DRAM,Security Bundle) 200Mbps-400Mbps system throughput, 3 WAN/LAN ports, 3 SFP ports, multi-Core CPU,2 service module slots, Security, VPN, WAAS, Intelligrnt WAN, OnePK, AVC

Cisco ISR4351-SEC/K9 is the Cisco ISR4351/k9 router with Security Bundle. Its other specifications are the same as ISR4351/k9.

Specs Summary

Product Code	Cisco ISR4351-SEC/K9
Bundle	Security Bundle
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 (SM-X) slot	2
NIM (Network Interface Modules) slots	3
Onboard ISC slot	1
Memory	4 GB (default) / 16 GB (maximum)
Flash Memory	4 GB (default) / 16 GB (maximum)
Power-supply options	Internal: AC, DC (roadmap), and PoE
Rack height	2 RU
Dimensions (H x W x D)	88.9 mm x 438.15 mm x 469.9 mm

Compare to Similar Item

Models	ISR4351/K9	ISR4351-SEC/K9
Bundle	None	Security Bundle
Aggregate Throughput	200 Mbps to 400 Mbps	200 Mbps to 400 Mbps
Total onboard WAN or LAN 10/100/1000 ports	3	3
RJ-45-based ports	3	3
SFP-based ports	3	3
Enhanced service-module slots	2	2
NIM slots	3	3
Onboard ISC slot	1	1
Rack height	2	2

Specifications

Cisco ISR4351-SEC/K9 Specification
Type	Cisco ISR4351/K9 with Security Bundle
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

The Cisco ISR4351-SEC/K9 Router 400Mbps throughput, 3 WAN/LAN ports, 3 SFP ports, multi-Core CPU, Security, VPN, WAAS, Intelligrnt WAN is the product you didn't think you need, but once you have it, something you won't want to live without.

Inventory Last Updated: Oct 24, 2025

Cisco ISR4351-SEC/K9 Router 400Mbps throughput, 3 WAN/LAN ports, 3 SFP ports, multi-Core CPU, Security, VPN, WAAS, Intelligrnt WAN

SPECIFICATIONS

Product Description

Specs Summary

Compare to Similar Item

Specifications

Cisco ISR4351-SEC/K9 Specification