The Cisco ISR4431-SEC/K9 is a versatile and high-performance router designed for securing branch networks. It falls within the Integrated Services Router family, offering advanced security features alongside powerful hardware specifications. This product is engineered to deliver reliable service for both small and large enterprises, facilitating secure and efficient data communication across various networks. At the core of its performance, the Cisco ISR4431-SEC/K9 boasts an aggregate throughput ranging from 500 Mbps to 1 Gbps, ensuring the smooth handling of large data volumes. This capability makes it suitable for demanding network environments where data integrity and speed are critical. The router is equipped with a comprehensive set of ports and slots to support a wide array of network configurations and expansions. It includes four 10/100/1000 onboard WAN or LAN ports, providing flexibility in connectivity. Additionally, the device features four RJ-45 ports and four SFP ports, enhancing its adaptability to different networking mediums and setups. Expansion capabilities are a significant aspect of the Cisco ISR4431-SEC/K9, highlighted by its three Network Interface Module (NIM) slots. These slots allow for customization and scalability, catering to specific network needs and future growth. The presence of an onboard ISC slot further underscores the router's expandability, offering additional options for network enhancements.

• Data Plane Memory: 2 GB DDR3
• Control/Services Plane Memory: 4 GB DDR3
• OIR Support: Yes

The router's memory configuration, with 2 GB DDR3 for the data plane and 4 GB DDR3 for the control/services plane, ensures efficient data processing and smooth operation of network services. Operational Integrity and redundancy are guaranteed through support for Online Insertion and Removal (OIR), minimizing downtime during hardware upgrades or replacements. Connectivity options are broadened with two external USB 2.0 Type A slots and a USB console port (Type B Mini), facilitating easy management and file transfers. Additionally, the router includes both a serial console RJ-45 port and a serial auxiliary RJ-45 port, offering traditional management and configuration interfaces. Power requirements are well catered to, with the router operating within a wide AC input voltage range (100 to 240 VAC) and frequency (47 to 63 Hz). It supports a typical power consumption of 65 W, with the maximum power reaching 250 W with an AC power supply and 500 W with a PoE power supply, accommodating various operational needs and setups. Physically, the ISR4431-SEC/K9 has a compact form factor, measuring 43.9 mm in height, 438.15 mm in width, and 507.2 mm in depth, making it suitable for rack-mounted installations in space-constrained environments. In summary, the Cisco ISR4431-SEC/K9 integrates powerful hardware specifications with advanced security features, presenting a comprehensive solution for securing and managing enterprise networks. Its flexibility, expandability, and performance capabilities make it an invaluable asset for businesses aiming to bolster their network infrastructure securely and efficiently.

Item Number and Producer	Cisco ISR4431-SEC/K9
Includes Security Bundle	Yes
Throughput Range	500 Mbps to 1 Gbps
Integrated WAN/LAN Speed	10/100/1000
Port Count	4
Ethernet Ports	4
Optical Network Ports	4
Network Interface Module Slots	3
Support for Enhanced Service Module	No
Built-in ISC Slot	1
Forwarding Plane RAM	2 GB DDR3
Control and Services Plane RAM	4 GB DDR3
Online Insertion and Removal	Yes
USB 2.0 Ports	2
Mini Type-B USB Console Interface	1
Console Port	1
Auxiliary Port	1
Power Supply Voltage	100 to 240 VAC
Operating Frequency	47 to 63 Hz
Input Current Specification	3 to 1.3 A
Surge Current Capability	60 A
Standard Power Consumption	65 W
Max Power with AC Supply	250 W
Max Power with PoE Supply	500 W
Unit Height	43.9 mm
Unit Width	438.15 mm
Unit Depth	507.2 mm