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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 ISR4221X/K9 Cisco features an aggregate throughput of 50 Mbps to 100 Mbps, tailored for efficient data processing and network operations. It is equipped with 2 onboard WAN/LAN 10/100/1000 ports, 2 RJ-45 ports, 1 SFP port, and 2 NIM slots, supporting a variety of connectivity options. The device also includes 4 GB DDR3 memory and 8 GB flash memory, ensuring sufficient storage and fast access to software and applications.

FAQs for the ISR4221X/K9

  • What is the aggregate throughput range of this networking device?
    The device supports an aggregate throughput range from 50 Mbps to 100 Mbps.
  • How many 10/100/1000 ports are available?
    There are 2 onboard WAN or LAN 10/100/1000 ports.
  • Are there any SFP ports on this device?
    Yes, there is 1 SFP port provided.
  • What type of memory is used in this device?
    The device utilizes 4 GB of DDR3 memory.
  • How many NIM slots does the device have?
    There are 2 NIM slots available.
  • What is the maximum power consumption of this networking hardware?
    The maximum power consumption is 90 W.
  • Does this device support OIR (Online Insertion and Removal)?
    No, OIR support is not available on this device.
  • How much flash memory is equipped in the device?
    The device is equipped with 8 GB of flash memory.
  • What are the physical dimensions of this networking device?
    The device measures 1.72 in. in height, 12.7 in. in width, and 10 in. in depth.
  • What is the device's operating temperature range?
    The operating temperature range is 0 °C to 40 °C.

Product Review

The Cisco ISR4221X/K9 provides a scalable throughput range from 50 Mbps to 100 Mbps, catering to small to medium-sized business networks needing flexible bandwidth. Despite offering dual RJ-45 and a single SFP port for varied connectivity options, its limitation to 2 NIM slots without support for OIR (Online Insertion and Removal) can restrict expansion capabilities and service continuity. Additionally, the device operates efficiently within a power envelope of 24W typical to 90W maximum, supporting environments conscious of energy consumption, yet the lack of enhanced service module slots might constrain advanced service integration.


The Cisco ISR4221X/K9 is a versatile and scalable router designed for small to medium-sized businesses and enterprise branch offices. It offers a mix of performance, security, and cost-effectiveness. The router is engineered to support a range of connectivity and application services, making it a suitable choice for a variety of networking requirements. At the core of its design, the ISR4221X/K9 delivers an aggregate throughput of 50 Mbps to 100 Mbps, ensuring efficient data transmission and supporting the demands of modern business applications. This performance capability is complemented by its networking interfaces, which include two onboard WAN or LAN 10/100/1000 ports, providing high-speed connectivity options. Additionally, the device is equipped with two RJ-45 ports for Ethernet connections and one SFP port, offering flexibility in connecting to different network mediums. The hardware specifications highlight the router's capacity to accommodate network expansion and customization. Although it lacks enhanced service module slots, double-wide service module slots, an onboard ISC slot, and support for Online Insertion and Removal (OIR), it provides two Network Interface Module (NIM) slots. These slots allow for further network interface options, enhancing the router’s adaptability to specific network requirements. - Memory and storage are essential for the router's performance and reliability. The ISR4221X/K9 is equipped with 4 GB of DDR3 memory and 8 GB of flash memory, facilitating efficient processing and ample storage for the operating system and applications. - For external connectivity and management, the router features one external USB 2.0 Type A slot, and a serial console/auxiliary port combo, enabling easy configuration and maintenance. - The device operates within a wide range of AC input voltages (100 to 240 VAC) and frequencies (47 to 63 Hz), demonstrating its versatility in different power environments. Its typical power consumption is 24 W, with a maximum of 90 W, reflecting its energy efficiency. Physically, the ISR4221X/K9 is compact, with dimensions of 1.72 inches in height, 12.7 inches in width, and 10 inches in depth, allowing for easy installation in space-constrained environments. The router's design considers airflow from the I/O side to the bezel side, ensuring it remains within the operating temperature range of 0 °C to 40 °C, which is critical for maintaining optimal performance and longevity. In summary, the Cisco ISR4221X/K9 is a powerful and reliable router that is well-suited for small to medium-sized business environments. Its combination of throughput capability, connectivity options, and scalability features, along with its compact size and efficient power usage, make it an excellent choice for businesses looking to upgrade or expand their network infrastructure.


Data Rate Range50 Mbps to 100 Mbps
Integrated WAN/LAN Ports2 (Gigabit Ethernet)
Gigabit Ethernet Ports2
Small Form-Factor Pluggable (SFP) Ports1
Service Module Slots for Expansion0
Double-Width Service Module Expansion Slots0
Network Interface Module (NIM) Slots2
Online Insertion and Removal (OIR)Not Supported
Internal Service Card (ISC) Slot AvailabilityNone
System Memory4 GB (DDR3)
Storage Memory8 GB (Flash)
USB 2.0 Ports (Type-A)1
Mini Type-B USB Console PortUnavailable
Serial Console/Aux Port1 Combo Port
Input Voltage Requirement100 to 240 VAC
Power Input Frequency47 to 63 Hz
Current Consumption Range1.5 A to 0.6 A
Surge Current Capability90 A
Normal Power Consumption24 W
Peak Power Demand90 W
Unit Height1.72 inches
Unit Width12.7 inches
Unit Depth10 inches
Cooling MethodAirflow from I/O side to front bezel
Temperature Range for Operation0 to 40 °C

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