C1-CISCO4221/K9 datasheet
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C1-CISCO4221/K9 Overview
C1-CISCO4221/K9 Cisco ONE ISR 4221
C1-CISCO4221/K9 is the Cisco ONE ordering configuration for the ISR 4221 branch router. Cisco's official product records identify two Gigabit Ethernet interfaces, two Network Interface Module slots, 8 GB flash, 4 GB DRAM and the IP Base software package for this PID. It is part of the Cisco 4000 Series Integrated Services Routers family.
Lifecycle and Replacement Planning
Cisco marks this Cisco ONE PID as end of sale and identifies ISR4221/K9 as the replacement product. Cisco's model support page lists an end-of-sale date of November 7, 2023 and an end-of-support date of November 30, 2028 for the 4221 platform. Buyers sourcing C1-CISCO4221/K9 should therefore verify software entitlement transfer, remaining support eligibility, installed memory and interface modules rather than treating it as a current-production router.
Purchase Validation
- Confirm the exact C1-CISCO4221/K9 PID, not a voice, security or performance bundle.
- Check included NIM modules, power supply, rack accessories and software licensing.
- Compare ISR4221/K9 when a supported replacement rather than the legacy Cisco ONE bundle is acceptable.
C1-CISCO4221/K9 Specification
| Exact model / SKU | C1-CISCO4221/K9 |
| Product family | Cisco 4000 Series Integrated Services Routers |
| Configuration | Cisco ONE ISR 4221 |
| Gigabit Ethernet interfaces | 2 |
| NIM slots | 2 |
| Flash memory | 8 GB |
| DRAM | 4 GB |
| Software package | IP Base |
| Cisco replacement PID | ISR4221/K9 |
| End-of-sale date | November 7, 2023 |
| End-of-support date | November 30, 2028 |
| Source match | exact_model |
| Official manufacturer reference | Cisco 4221 Integrated Services Router Support and Product Information |
| Exact model | C1-CISCO4221/K9 |
| Underlying platform | Cisco ISR 4221 Integrated Services Router |
| Default aggregate throughput | 35 Mbps |
| Performance-license throughput | 75 Mbps |
| Boost aggregate CEF-only throughput | Up to 1.2 Gbps |
| Onboard WAN/LAN ports | 2 x 10/100/1000 |
| SFP-based ports | 1 |
| Network interface module slots | 2 |
| Ordering note | C1 prefix may indicate a Cisco ONE ordering bundle; validate included licenses and support entitlement |
| Official manufacturer reference | Cisco 4000 Family Integrated Services Router Official Data Sheet |
| Model | C1-CISCO4221/K9 |
| Brand | CISCO |
| Category | Cisco Router ISR 4000 |
| Product name | C1-CISCO4221/K9 datasheet |
| Condition | New Factory Sealed |
| Supplier | YYST Global |
C1-CISCO4221/K9 Warranty
 | Product Quotation |  | Condition and Packaging |
 | Technical Support Enquiry |  | Returns and Replacement |
 | Shipping Arrangements |  | Warranty Terms |
C1-CISCO4221/K9 FAQ
What is C1-CISCO4221/K9?
C1-CISCO4221/K9 datasheet is a CISCO Router ISR 4000 product supplied by YYST Global for enterprise IT procurement and infrastructure projects.
What interfaces and ports does C1-CISCO4221/K9 provide?
For C1-CISCO4221/K9, the manufacturer specification lists gigabit ethernet interfaces as 2.
What memory or storage is listed for C1-CISCO4221/K9?
For C1-CISCO4221/K9, the manufacturer specification lists flash memory as 8 GB.
What default aggregate throughput is listed for C1-CISCO4221/K9?
For C1-CISCO4221/K9, the manufacturer specification lists default aggregate throughput as 35 Mbps.
Is C1-CISCO4221/K9 available from YYST Global?
Contact YYST Global to confirm availability for C1-CISCO4221/K9, the required quantity, exact configuration, delivery destination and current lead time before ordering. A product listing does not confirm current inventory.
Related products
Related C1-CISCO4221/K9
C1-CISCO4451/K9 - Cisco One 4000 Family Integrated Services Router
C1-CISCO4451/K9 is the Cisco ONE ISR 4451 order with four Gigabit interfaces, three NIM slots and two service-module slots. Its exact C1 hardware support milestone is October 31, 2027.
Cisco C1-CISCO4331/K9 Cisco ONE ISR 4331 Branch Router
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ISR4221/K9 USED Cisco ISR 4221 Router
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ISR4451-X-SEC/K9 Cisco ISR 4451-X Security Bundle Router
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