Cisco ISR4331-AX/K9 100Mbps-300Mbps system throughput, 3 WAN/LAN ports, 2 SFP ports, multi-Core CPU
- 3 onboard WAN or LAN 10/100/1000 ports
- 4GB default flash memory
- Supports 16GB maximum memory
- 100 Mbps to 300 Mbps aggregate throughput
- supports both single- and double-wide service modules.
ISR4331-AX/K9 Router Description
The Cisco ISR4331-AX/K9 is a rack-mountable router that delivers 100 Mbps to 300 Mbps aggregate throughput. It enables flexibility in deployment with its Enhanced Service Module (SM-X) slot that supports both single- and double-wide service modules.
Though compact, it delivers high availability and scalability performance and can fit in any space. The ISR4331-AX / K9 board has 3 GE, 2 NIM slots, 1 ISC slot, 3 SM slots, 4 Gbyte default memory, 2 Gbyte of standard DRAM (data plane), and 4 Gbytes of standard DRAM (data plane). 4 GB DRAM standard (data level).
Advanced Bundle:
The Cisco Cisco ISR4331-AX/K9 router is an advanced service bundle that comes complete with all you need to share connections via a network in any office environment. The ISR4331-AX/K9 can be deployed and configured with various options and services.

Expandable memory:
You can increase the available memory by 16GB in addition to the 4GB default memory to provide extra scalability.
What’s In the Box?
- The Cisco ISR4331-AX/K9 router.
- Rack-Mount Accessories (19" / 48.3 cm)
Cisco ISR4331-AX/K9 Specification
- Aggregate Throughput: 100 Mbps to 300 Mbps
- Total onboard WAN or LAN 10/100/1000 ports: 3
- RJ-45-based ports: 2
- SFP-based ports: 2
- Enhanced service-module slots: 1
- 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): 16 GB
- Default flash memory: 4 GB
- Maximum flash memory: 16 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
- Internal: AC and PoE
- AC input voltage: 100 to 240 VAC auto-ranging
- AC input frequency: 47 to 63 Hz
- AC input current range, AC power supply (maximum): 3 to 1.3A
- AC input surge current
- 60 A peak and less than 5 Arms per half cycle
- Typical power (no modules) (watts): 42
- Maximum power with AC power supply (watts): 250
- Maximum power with PoE power supply (platform only) (watts): 530
- Maximum endpoint PoE power available from PoE power supply (watts): 250
More Information
Delivery Option | Same/Next Day Delivery |
---|---|
SKU | ISR4331-AX/K9 |
Weight | 19.300000 |
Brands | Cisco |
Networking Type | Router |
Networking Speed | 300Mbps |
Connectivity | Wired |
Ports | 3x 10/100/1000Mbps LAN |
Colour | Black |
Condition | New |