ISR4221/K9 USED Cisco ISR 4221 Router
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ISR4221/K9 Overview
ISR4221/K9 is a CISCO enterprise router listed by YYST Global for WAN edge routing, branch connectivity, spare replacement and enterprise routing upgrades. This page is intended for buyers comparing replacement parts, project supply, spare inventory and quote options.
YYST Global helps enterprise customers confirm model information, product category, condition, availability and sourcing route before purchase. For time-sensitive projects, send the model number and required quantity so our sales team can check stock, lead time and compatible alternatives.
Product name: ISR4221/K9 USED Cisco ISR 4221 Router. Category: Cisco Router ISR 4000. Condition: New Factory Sealed.
ISR4221/K9 Specification
| Datasheet series | Cisco 4000 Series Integrated Services Routers |
| Exact model | ISR4221/K9 |
| Official datasheet | Cisco 4000 Series ISR official datasheet |
| Parameter | Specification / Value |
|---|---|
| Model Number | Cisco ISR4221/K9 |
| Product Type | Integrated Services Router |
| Performance / Throughput | 35 Mbps (default), upgradable to 75 Mbps with Performance License |
| Architecture | Cisco Unified Computing System (UCS) based multi-core CPU architecture |
| Form Factor | 1 Rack Unit (1U) |
| LAN/WAN Ports | 2 × Integrated 10/100/1000 Mbps RJ-45 Ethernet ports (RJ-45/SFP combo) |
| Network Interface Module (NIM) Slots | 2 |
| Service Module (SM-X) Slots | 1 Internal (shared for future expansion) |
| Integrated Services Card (ISC) Slot | 1 |
| USB Ports | 1 × USB Type A (for storage), 1 × mini-USB console port |
| Console / Auxiliary Ports | 1 × RJ-45 console port, 1 × RJ-45 auxiliary port |
| Default DRAM | 4 GB |
| Maximum DRAM | 8 GB |
| Default Flash Memory | 4 GB |
| Maximum Flash Memory | 8 GB |
| Power Supply | Internal AC power supply (optional DC power version) |
| Maximum Power Consumption | Approximately 45 W (without PoE modules) |
| PoE Capability | Optional via PoE NIM modules |
| Rack Mountable | Yes (1U standard rack mount kit included) |
| Dimensions (H × W × D) | 44.45 × 369.57 × 294.64 mm (1.75 × 14.55 × 11.6 inches) |
| Weight | Approximately 4.5 kg (10 lbs) |
ISR4221/K9 Warranty
 | Low Price Guarantee |  | Quality Assurance |
 | Free CCIE Expert Technical Support |  | Commodity Refund Guarantee |
 | Diversified and Flexible Transportation Services |  | Standard Policy |
ISR4221/K9 FAQ
What is ISR4221/K9?
ISR4221/K9 USED Cisco ISR 4221 Router is a CISCO Router ISR 4000 product supplied by YYST Global for enterprise IT procurement and infrastructure projects.
What performance / throughput is listed for ISR4221/K9?
For ISR4221/K9, the manufacturer specification lists performance / throughput as 35 Mbps (default), upgradable to 75 Mbps with Performance License.
What interfaces and ports does ISR4221/K9 provide?
For ISR4221/K9, the manufacturer specification lists lan/wan ports as 2 × Integrated 10/100/1000 Mbps RJ-45 Ethernet ports (RJ-45/SFP combo).
Is ISR4221/K9 available from YYST Global?
ISR4221/K9 is in stock at YYST Global. Contact the sales team to confirm the required quantity, exact configuration, delivery destination and current lead time before ordering.
What is the price of ISR4221/K9?
The current reference price for ISR4221/K9 is US$ 675.00. Final pricing can change based on stock, quantity, configuration and delivery destination.
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ISO 9001 · ISO 14001 · ISO 45001
ISO 20000 · ISO 27001 · D&B