| Cisco ISR4321-SEC/K9 Specification |
| Type | Cisco ISR4321/K9 with Security Bundle |
| Aggregate Throughput | 50 Mbps to 100 Mbps |
Total onboard WAN or LAN
10/100/1000 ports | 2 |
| RJ-45-based ports | 2 |
| SFP-based ports | 1 |
| Enhanced service-module slots | 0 |
| Doublewide service-module slots | 0 |
| NIM slots | 2 |
| 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) | 8 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 | 8 GB |
| External USB 2.0 slots (type A) | 1 |
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 | External: AC 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) | 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) | 36 |
Maximum power with AC power
supply (watts) | 125 |
Maximum power with PoE power
supply (platform only) (watts) | 260 |
Maximum endpoint PoE power
available from PoE power supply (watts) | 120 |
