Cisco ISR4451-X/K9 Specification

Aggregate Throughput

1 Gbps to 2Gbps

Total onboard WAN or LAN 10/100/1000 ports

4

RJ-45-based ports

4

SFP-based ports

4

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)

NA

Maximum memory DDR3 ECC DRAM (Combined control/services/data planes)

NA

Default memory DDR3 ECC DRAM (data plane)

2 GB

Maximum memory DDR3 ECC DRAM (data plane)

2 GB

Default memory DDR3 ECC DRAM (control/services plane)

4 GB

Maximum memory DDR3 ECC DRAM (control/services plane)

16 GB

Default flash memory

8 GB

Maximum flash memory

32 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

Internal: AC, DC and PoE

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

<50 A

Typical power (no modules) (watts)

158

Maximum power with AC power supply (watts)

450 (no PoE)

Maximum power with PoE power supply (platform only) (watts)

1000 with PoE redundant

1450 with PoE boost no redundancy

Maximum endpoint PoE power available from PoE power supply (watts)

500 W with optional redundancy

Maximum endpoint PoE power capacity with PoE boost (watts)

950 W no redundancy