Description
The Cisco ISR4331/K9 is a robust Integrated Services Router designed for branch offices requiring secure, high-performance connectivity. Housed in a 1RU rack-mountable chassis, it offers a modular design that supports field-replaceable network interface modules (NIMs) and service modules (SMs), enabling flexible deployment options. With a built-in dual-core processor and support for up to 100 Mbps of encrypted throughput (upgradeable to 300 Mbps with performance licenses), this router is ideal for businesses scaling their network infrastructure. The ISR4331 supports advanced features such as application-aware traffic control, WAN optimization, and integrated security services.
Equipped with two NIM slots, one SM slot, and onboard Gigabit Ethernet interfaces, the ISR4331/K9 provides ample connectivity for diverse networking needs. It includes 4 GB of default DRAM (upgradable to 16 GB) and 4 GB of flash memory, ensuring smooth operation of Cisco IOS XE software and additional services. The router features an internal power supply and supports optional redundant power configurations for improved reliability. Designed for longevity and scalability, the ISR4331/K9 is a cost-effective solution for businesses seeking enterprise-grade performance in a used networking device.

