• 35Mbps-75Mbps system throughput
  • 2 WAN/LAN ports
  • 1 SFP port
  • Multi-Core CPU
  • 2 NIM
  • SEC Bundle with SEC license

Additional information




Cisco ISR4221-SEC/K9 Router Overview


ISR4221-SEC/K9 is the Cisco 4221 Integrated Services router is designed to deliver advanced services to the small enterprise branch environment. It bundles Security Bundle with Security License.


Bundle Cisco ISR 4221 SEC Bundle with SEC lic
Aggregate Throughput 35 Mbps to 75 Mbps
Total onboard WAN or LAN 10/100/1000 ports 2
RJ-45-based ports 2
SFP-based ports 1
NIM (Network Interface Modules) slots 2
Onboard ISC slot No
Default memory double-data-rate 3 (DDR3) error-correction-code

(ECC) DRAM (Combined control/services/data planes)
4 GB
Flash Memory 8 GB
Power-supply options External AC only
Rack height 1 RU
Dimensions (H x W x D) 1.72 x 12.7 x 10 in (43.7 x 322.6 x 254 mm)
Weight with AC PS (no modules) 7.1 lb (3.22 kg)
Enhanced service-module slots 0
Doublewide service-module slots 0
OIR (all I/O modules) No
Maximum memory DDR3 ECC DRAM (Combined control/services/data planes) 4 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 8 GB
Maximum flash memory 8 GB
External USB 2.0 slots (type A) 1
USB console port -type B mini (up to 115.2 kbps) 0
Serial console port – RJ45 (up to 115.2 kbps) 1 (combo CON/AUX port)
Serial auxiliary port – RJ45

(up to 115.2 kbps)

1 (combo CON/AUX port)
Power-supply options External: AC Only
Redundant power supply N/A
AC input voltage 100 to 240 VAC auto ranging
AC input frequency 47 to 63 Hz
AC input current range, AC power supply (maximum) 1.5 to 0.6A
AC input surge current 90 A peak and less than 3 Arms per half cycle
Typical power (no modules) (watts) 24
Maximum power with AC power supply (watts) 90
Maximum power with PoE power supply (platform only) (watts) NA (no PoE support)
Maximum endpoint PoE power available from PoE power supply (watts) NA (no PoE support)




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