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by Cisco
Product Line: Cisco Integrated Services Router (ISR)
Product Type: ISR4221-SEC/K9
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Original price $0.00 - Original price $1,332.00
Original price
$0.00 - $1,332.00
Current price $0.00
Title: Surplus

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Product Description

The ISR4221-SEC/K9 features an aggregate throughput of 35 Mbps to 75 Mbps, supported by 4 GB DDR3 memory and 8 GB flash memory, suitable for efficient data processing and storage. It offers connectivity options through 2 10/100/1000 RJ-45 ports, 1 SFP port, and 2 NIM slots, facilitating versatile network configurations. Designed for rack mounting with a 1 RU height, the device operates on a typical power of 24 W, with a maximum power consumption of 90 W, and includes 1 external USB 2.0 slot for additional functionality.

Key Feature for the ISR4221-SEC/K9

  • What is the aggregate throughput range of the Cisco ISR 4221 SEC?
    The Cisco ISR 4221 SEC offers an aggregate throughput range from 35 Mbps to 75 Mbps.
  • How many total onboard WAN or LAN 10/100/1000 ports does the ISR 4221 include?
    It includes 2 total onboard WAN or LAN 10/100/1000 ports.
  • Does the Cisco ISR 4221 SEC support Optical Network Modules (NIM Slots)?
    Yes, the Cisco ISR 4221 SEC supports Optical Network Modules with 2 NIM Slots available.
  • What type of memory is equipped in the ISR 4221?
    The ISR 4221 is equipped with 4 GB of DDR3 memory.
  • Can the Cisco ISR 4221 SEC be mounted in a rack?
    Yes, the Cisco ISR 4221 SEC can be mounted in a rack with a height of 1 RU.
  • What are the dimensions and weight of the ISR 4221?
    The dimensions are 1.72 in. (Height) x 12.7 in. (Width) x 10 in. (Depth), and it weighs 7.1 lbs.
  • How many SFP ports are available on the Cisco ISR 4221 SEC?
    There is 1 SFP port available on the Cisco ISR 4221 SEC.
  • What is the flash memory capacity of the ISR 4221?
    The ISR 4221 has a flash memory capacity of 8 GB.
  • Does the Cisco ISR 4221 SEC have an External USB 2.0 Slot?
    Yes, it has 1 External USB 2.0 Slot (Type A).
  • What is the typical and maximum power consumption of the ISR 4221?
    The typical power consumption is 24 W, and the maximum power consumption is 90 W.

Product Review

The Cisco ISR4221-SEC/K9 offers a scalable throughput from 35 Mbps to 75 Mbps, accommodating varying network demands. With only two 10/100/1000 Ethernet ports, connectivity options are limited, potentially necessitating additional switches or modules for larger networks. The device benefits from a compact 1 RU form factor and includes a mix of standard memory and flash capacities (4 GB DDR3 and 8 GB respectively), suitable for small to medium-sized enterprise applications.


The Cisco ISR 4221 SEC/K9 is designed to deliver secure, high-performance Internet access and WAN connectivity. This router is part of Cisco's Integrated Services Routers Series, which is known for providing a scalable, flexible foundation for managing and optimizing network infrastructures. The ISR 4221 SEC/K9 model is equipped with a range of hardware specifications that support its capabilities in handling advanced network tasks efficiently. At the core of its performance, the ISR 4221 SEC/K9 offers an aggregate throughput of 35 Mbps to 75 Mbps, ensuring efficient data processing and transfer speeds for various applications and services. This throughput capability is vital for businesses requiring reliable and fast connectivity for mission-critical applications. Connectivity options on the ISR 4221 SEC/K9 are versatile. The router includes two onboard WAN or LAN 10/100/1000 ports, providing high-speed network interfaces for direct connection to the Internet or local area networks. Additionally, it features: - Two RJ-45 ports for wired networking connections. - One SFP port, allowing for fiber connectivity which is essential for long-distance networking requirements. - Two Network Interface Module (NIM) slots, offering the flexibility to add various modules for enhanced network services and connectivity options. Memory and storage are crucial for the efficient operation of any network device. The ISR 4221 SEC/K9 comes with 4 GB of DDR3 memory, facilitating smooth operation and multitasking across network services. It also includes 8 GB of flash memory, providing ample space for the operating system, applications, and configuration files. Physical specifications indicate the ISR 4221 SEC/K9's compact and efficient design. With a rack height of 1 RU, it is easily integrated into standard networking racks, optimizing space in data centers or network closets. The dimensions are practical for various installation environments, measuring 1.72 inches in height, 12.7 inches in width, and 10 inches in depth. Despite its capabilities, the router maintains a lightweight profile at 7.1 lbs, making it manageable for installation and relocation. For external connectivity and management, the device includes one external USB 2.0 slot (Type A), facilitating easy updates and file transfers. It also features a serial console port (RJ45) that doubles as a CON/AUX port, providing versatile options for device configuration and management. Power efficiency is another highlight of the ISR 4221 SEC/K9. It operates within an AC input voltage range of 100 to 240 VAC, accommodating various power sources and ensuring global usability. The typical power consumption is 24 W, with a maximum of 90 W, indicating its efficiency in energy use. However, it's important to note that the ISR 4221 SEC/K9 does not support Online Insertion and Removal (OIR), which could affect maintenance and upgrades that require system reboots. Also, it lacks an onboard ISC slot, limiting certain integrated service configurations. In summary, the Cisco ISR 4221 SEC/K9 is a compact, efficient router designed for secure, high-speed network connectivity. Its combination of throughput performance, connectivity options, memory and storage capacity, along with its power efficiency and physical dimensions, make it a suitable choice for small to medium-sized business applications.


Item NumberISR4221-SEC/K9
ConfigurationISR 4221 SEC Bundle
Data Throughput Range35 Mbps - 75 Mbps
Integrated WAN or LAN Ports2 (10/100/1000)
Ethernet Ports (RJ-45)2
Optical Network Ports (SFP)1
Network Interface Modules (NIM) Slots2
Integrated Service Card (ISC) Slot AvailabilityNo
System Memory4 GB (DDR3)
Storage (Flash)8 GB
Unit Rack Size1 RU
Unit Height1.72 inches
Unit Width12.7 inches
Unit Depth10 inches
Unit Weight7.1 pounds
USB Ports (Type A, 2.0)1
Management Port (RJ45)1 Combo CON/AUX
Voltage Requirement100 to 240 VAC
Current Consumption Range1.5 to 0.6 A
Maximum Surge Current90 A
Power Consumption (Typical)24 W
Power Consumption (Max)90 W
Online Insertion and Removal (OIR)No
Integrated Service Card (ISC) SlotNo

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