ISR4221K9 Cisco ISR4221/K9 ISR 4321 Router - Modular Ref
-
$155.25 In Stock - Ships Worldwide Order by 2:00 PM ET for Overnight ShippingWas: $178.54You Save: $23.29 13% OFF
-
Warranty: 90-day return/replacement
Click here to read our Return Policy for returns/replacements.
ISR4221/K9
Free ground shipping within the
United States
Government, Federal & Education Procurement
We support quotes, POs, stock docs, and compliance invoicing.
Email: support@buyrouterswitch.com SAM.gov Registered Vendor CAGE Code : 23P86
overview
specifications
faqs
reviews
ISR4221K9 Overview
CISCO - Isr 4321 Router - Modular - Gigabit Ethernet - 2 Port (ISR4221/K9).
Need help with ISR4221K9?
Get pricing, availability, lead time, and compatible options from our team. Chat with us live or email support@buyrouterswitch.com
Specifications
Overview
| Condition | Refurbished |
|---|---|
| Brand | Cisco |
| Stock | In Stock |
Technical Information
| Management Port | Yes |
|---|---|
| Number Of Total Expansion Slots | 3 |
| Network Technology | 1000base-t |
| Ethernet Technology | Gigabit Ethernet |
| Connectivity Technology | Wired |
| Modular | Modular |
| Form Factor | Rack-mountable |
| Wan Ports Qty | 2 |
| Ram | 4gb (ddr3 Sdram) |
| Width | 12.7 Inch |
| Depth | 10 Inch |
| Height | 1.72 Inch |
| Weight | 7.1 Lbs |
Frequently Asked Questions
What are the primary throughput capabilities of the Cisco ISR4221/K9 router? +
The Cisco ISR4221/K9 is designed for small branch offices, offering a default aggregate throughput of 35 Mbps. Through its modular architecture and Cisco software licensing, performance can be scaled up to 75 Mbps, ensuring your network maintains efficiency as your bandwidth demands grow over time.
Does the ISR4221/K9 support modular interface options for connectivity? +
This model features two integrated GE ports, one of which is a combo port that supports either copper or SFP connectivity. While it is a fixed-port enterprise router, it is built to handle modern branch connectivity requirements by providing high-speed WAN connections and flexible media options out of the box.
Is the ISR4221/K9 suitable for enterprise-grade security deployments? +
Absolutely. This router supports the Cisco IOS XE operating system, enabling advanced security features like Zone-Based Firewalls, IPsec VPNs, and integrated encryption acceleration. These capabilities allow you to maintain robust perimeter security and secure site-to-site communication, meeting the stringent data protection requirements typical of enterprise environments.
How does the ISR4221/K9 handle network virtualization and SD-WAN? +
The ISR4221/K9 is fully compatible with Cisco SD-WAN and supports network virtualization through Cisco IOS XE. This allows administrators to decouple software from hardware, simplifying network management, improving application visibility, and enabling automated, secure traffic steering across various WAN paths to optimize branch performance.
What kind of memory and storage configuration does the ISR4221/K9 come with? +
The device comes standard with 4GB of DRAM and 8GB of flash memory. This internal storage capacity is optimized to run the Cisco IOS XE image efficiently, providing enough overhead to support critical routing protocols, security features, and diagnostic logs needed for consistent network uptime and monitoring.
Can the Cisco ISR4221/K9 be managed remotely? +
Yes, it supports multiple management interfaces, including a dedicated console port, USB port for auxiliary access, and remote management through SNMP, SSH, and Telnet. Additionally, it integrates seamlessly with Cisco DNA Center, allowing you to manage, monitor, and troubleshoot your branch infrastructure from a centralized location.
What is the typical deployment scenario for the ISR4221/K9? +
The ISR4221/K9 is best suited for small branch offices that require a compact, power-efficient, and reliable routing solution. It excels in environments that demand consistent performance for cloud-connected applications and secure WAN access, fitting perfectly into rack-mount setups where space and low power consumption are primary considerations.
Is the ISR4221/K9 compatible with existing Cisco Catalyst switches? +
Yes, this router integrates seamlessly with the broader Cisco enterprise ecosystem, including Catalyst switches. By leveraging standardized protocols like OSPF, EIGRP, and BGP, the ISR4221/K9 functions as an effective edge device, ensuring smooth traffic flow and interoperability within your existing LAN infrastructure.
How can I obtain a bulk quote for the Cisco ISR4221/K9 for a large project? +
For organizations looking to equip multiple branch locations, we offer competitive bulk pricing. Please reach out to our sales team directly via the contact form on BuyRouterSwitch.com to discuss your specific quantity requirements and project timeline. We provide tailored quotes designed to optimize your hardware investment for large-scale enterprise deployments.
Why should I choose BuyRouterSwitch.com for my Cisco enterprise networking gear? +
BuyRouterSwitch.com is a trusted source for high-quality enterprise hardware. We prioritize secure ordering processes and provide authentic Cisco networking equipment that meets strict quality standards. By choosing us, you gain access to an experienced sales team dedicated to helping you find the right configurations for your network architecture at the best market value.
Related Products
Special Price
$485.90
was
$558.79
Special Price
$189.75
was
$218.21
$386.40
ISR4321-SECK9 Cisco ISR4321-SEC/K9 4000 Series ISR with Security (SEC) Bundle Ref
Part #: ISR4321-SECK9
Cisco
Special Price
$456.00
was
$524.40
$3,220.50
ISR4221-SECK9 Cisco ISR4221-SEC/K9 ISR 4221 Router Modular Gigabit Ethernet
Part #: ISR4221-SECK9
Cisco
Special Price
$419.75
was
$482.71
ISR4321-AXK9 Cisco ISR4321-AX/K9 ISR 4321 Application Experience Bundle Router Ref
Part #: ISR4321-AXK9
Cisco
Special Price
$222.00
was
$255.30
Need Help Choosing the Right Part? Talk to an Expert
-
+1 (800) 870-9487Mon-Fri 8am-5pm EST
-
support@buyrouterswitch.comTechnical support
