Cisco ISR4331-SEC/K9 Router
Cisco ISR4331-SEC/K9 Integrated Services Router is a high-performance, modular router designed for enterprise branch offices that need a strong focus on network security. As part of the Cisco 4000 series, it offers a blend of speed, advanced security features, and a scalable design.The "SEC" in the model name indicates that this is a Security Bundle router. It comes with a suite of advanced security features to protect the network, including a Zone-Based Firewall and a variety of VPN capabilities like IPsec VPN, DMVPN, and FlexVPN. These features are essential for securing data in transit and ensuring safe, reliable connections between branch offices and corporate headquarters.This router is powered by a multi-core x86 processor and has a default 4 GB of RAM (upgradable to 16 GB), providing ample power for a range of network services. It offers an aggregate throughput of 100 Mbps to 300 Mbps, which can be boosted with performance licenses.The ISR4331-SEC/K9 is highly modular, featuring a variety of interfaces, including three GE ports (a combination of RJ-45 and SFP), two Network Interface Module (NIM) slots, and one Service Module (SM) slot. This allows businesses to customize the router to their specific needs by adding modules for WAN connectivity, voice services, or additional security features. Its compact and lightweight design (7.3 kg) makes it easy to install in a standard network rack.As of late August 2025, the Cisco ISR4331-SEC/K9 Integrated Services Router is available in Bangladesh. The price can vary depending on the vendor, licenses, and included modules. A standard unit with the security bundle typically has a price ranging from ৳205,000 to ৳230,000. The router is generally backed by a 1-year parts and service warranty.
