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by Cisco
Product Line: Cisco 4000 Series
Product Type: Integrated Services Router
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Original price $0.00 - Original price $0.00
Original price
$0.00 - $0.00
Current price $0.00
Title: Surplus

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Product Description

The ISR4331SECK9 Cisco integrates a security bundle with an aggregate throughput ranging from 100 Mbps to 300 Mbps, tailored for efficient data processing and secure network operations. This device is equipped with 3 10/100/1000 WAN or LAN ports, 2 RJ-45 and 2 SFP ports, alongside 2 NIM slots, 1 Enhanced Service Module slot, and 1 Onboard ISC slot, offering versatile connectivity options. It supports up to 16 GB DDR3 memory, features OIR (Online Insertion and Removal), and operates within a power range of 42 W to 530 W, ensuring reliable performance across various power scenarios.

FAQs for the ISR4331SECK9

  • What is the aggregate throughput range of this device?
    The aggregate throughput ranges from 100 Mbps to 300 Mbps.
  • How many Total Onboard WAN or LAN ports are available?
    There are 3 Total Onboard WAN or LAN 10/100/1000 ports.
  • Can you expand the memory on this device?
    Yes, the memory can be expanded from 4 GB (Default) to 16 GB (Maximum) DDR3.
  • What types of ports does this device include for connectivity?
    This device includes 2 RJ-45 ports, 2 SFP ports, 1 external USB 2.0 Type A slot, and 1 USB Console Port Type B Mini.
  • Is Onboard ISC Slot available on this device?
    Yes, there is 1 Onboard ISC Slot available.
  • What is the default and maximum flash memory size?
    The flash memory is 4 GB by default, with an upgrade option to 16 GB maximum.
  • Does this device support Online Insertion and Removal (OIR)?
    Yes, OIR support is available.
  • How many Enhanced Service Module Slots does it have?
    There is 1 Enhanced Service Module Slot.
  • What are the power specifications of this device?
    The device operates on AC Input Voltage of 100 to 240 VAC, with a typical power consumption of 42 W and a maximum power consumption of 250 W with AC Power Supply or 530 W with PoE Power Supply.
  • What are the physical dimensions of this device?
    The device measures 44.45 mm in height, 438.15 mm in width, and 438.15 mm in depth.

Product Review

The Cisco ISR4331SECK9 offers a scalable throughput from 100 Mbps to 300 Mbps, catering to varying network demands with ease. However, its initial 4 GB of memory might limit performance for high-demand applications, though it is expandable to 16 GB. With diverse connectivity options including 3 WAN/LAN ports, 2 SFP ports, and support for both NIM and enhanced service module slots, it provides flexibility for network expansion, but the base throughput may be a bottleneck for data-intensive networks.


The Cisco ISR4331SECK9 is a versatile Integrated Services Router designed to deliver secure, high-speed data, voice, and video services. Engineered to support a range of connectivity options and services, it offers a scalable, flexible solution for various networking requirements. The device features a security bundle, enhancing its capability to protect network integrity against evolving threats. At the core of the ISR4331SECK9's performance is its aggregate throughput, which ranges from 100 Mbps to 300 Mbps, supporting efficient operations and application experiences across business environments. This throughput capacity is complemented by multiple connectivity options, including three total onboard WAN or LAN 10/100/1000 ports, providing high-speed internet and network connections. Connectivity is further expanded through its two RJ-45 ports and two SFP ports, facilitating both copper and fiber connections for versatile networking solutions. The router is equipped with two Network Interface Module (NIM) slots, allowing for customization and expansion of networking services. Additionally, an Enhanced Service Module slot and an onboard ISC slot offer further capabilities for service integration and network management. The hardware specifications highlight the device's readiness for demanding tasks, with a default memory of 4 GB, expandable up to 16 GB DDR3, and identical capacity and scalability in flash memory. This ensures ample space for operating systems, applications, and data storage, supporting complex network operations and services. - Online Insertion and Removal (OIR) support enhances the router's flexibility and uptime by allowing for module changes without interrupting the system. - External USB 2.0 Type A slot and a USB console port (Type B Mini) are provided for additional storage and easy management. - For traditional management and connectivity, the router includes one serial console RJ-45 port and one serial auxiliary RJ-45 port. Power requirements are met with an AC input voltage range of 100 to 240 VAC and a frequency range of 47 to 63 Hz. The device operates within an AC input current range of 3 to 1.3 A, with a surge current capacity of 60 A, ensuring reliable performance under various electrical conditions. Energy efficiency is evident in its typical power consumption of 42 W, with maximum power scaling to 250 W with an AC power supply and up to 530 W with a PoE power supply, accommodating extensive peripheral connections and operations. Physically, the ISR4331SECK9 is designed to fit standard equipment racks with a height of 44.45 mm, a width of 438.15 mm, and a depth of 438.15 mm, making it suitable for various installation environments without demanding excessive space. In conclusion, the Cisco ISR4331SECK9 stands out as a comprehensive solution for businesses looking to enhance their network's performance, flexibility, and security. Its array of ports, expandable memory, and modular design, coupled with its power efficiency and physical compactness, make it an adaptable choice for modern networking needs.


Model NumberISR4331SECK9
Included Security FeaturesAvailable
Data Throughput RangeFrom 100 Mbps up to 300 Mbps
Built-in WAN/LAN Ports3 ports with 10/100/1000 support
Standard RJ-45 Interfaces2
Small Form-Factor Pluggable (SFP) Interfaces2
Network Interface Modules (NIM) Slots2
Service Module Expansion Slots1
Internal Service Card (ISC) Slot1
System RAM4 GB (Standard) / 16 GB (Upgrade)
Storage (Flash)4 GB (Standard) / 16 GB (Upgrade)
Online Insertion and Removal (OIR)Supported
USB 2.0 Ports (Type A)1
USB Console Interface (Mini Type B)1
Management RJ-45 Console Port1
Auxiliary RJ-45 Port1
Power Supply Input Voltage100V to 240V AC
Power Input Frequency47Hz to 63Hz
Input Current SpecificationFrom 3A down to 1.3A
Maximum Input Surge Current60A
Standard Power Consumption42W
Peak Power with AC Supply250W
Peak Power with PoE Supply530W
Unit Height44.45mm
Unit Width438.15mm
Unit Depth438.15mm

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