ISR4451-X-AX/K9 - Cisco 4000 Family Integrated Services Router
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ISR4451-X-AX/K9 Overview
ISR4451-X-AX/K9 Exact Bundle Identity
ISR4451-X-AX/K9 is the Cisco ISR 4451-X Application Experience bundle with APP and SEC licenses. The base hardware is the ISR 4451-X branch router with four onboard Gigabit Ethernet interfaces, three NIM slots, one ISC slot, two service-module slots, 8 GB flash, 2 GB data-plane DRAM and 4 GB control-plane DRAM.
Bundle and performance boundary
Licensed bundle: AX bundle: APP and SEC technology licenses; UC licensing and PVDM voice hardware are not part of the AX identity. Platform performance: 1 Gbps base platform performance, upgradeable to 2 Gbps with the documented performance license. Performance-license values are platform limits, not a promise of application throughput in every configuration.
Application-services chassis acceptance
Confirm the exact AX PID, installed memory, power-supply count, NIM and service-module inventory, and the state of the APP and SEC entitlements. The chassis can accept modular services, but this SKU does not prove that a specific WAN card, compute module, voice DSP, storage device or active support contract is present.
Lifecycle and migration
Cisco lists the ISR4451-X product line as end of sale with support ending 30 November 2028. A Catalyst C8300 platform should be evaluated against slot, performance and service-module requirements. Treat the replacement as a migration starting point: interface modules, voice resources, software features, rack power and configuration must be mapped rather than assumed compatible.
Related ISR 4000 bundle records
- ISR4221-AX/K9 - compare chassis capacity, bundle entitlement and lifecycle migration.
- ISR4351-V/K9 - compare chassis capacity, bundle entitlement and lifecycle migration.
- ISR4431-V/K9 - compare chassis capacity, bundle entitlement and lifecycle migration.
Official Cisco evidence: Cisco Secure Boot PID List and Cisco platform and licensing documentation.
ISR4451-X-AX/K9 Specification
| Exact model / SKU | ISR4451-X-AX/K9 |
| Exact orderable PID | ISR4451-X-AX/K9 |
| Bundle identity | Cisco ISR 4451-X Application Experience bundle with APP and SEC licenses |
| Hardware platform | ISR 4451-X branch router with four onboard Gigabit Ethernet interfaces, three NIM slots, one ISC slot, two service-module slots, 8 GB flash, 2 GB data-plane DRAM and 4 GB control-plane DRAM |
| License boundary | AX bundle: APP and SEC technology licenses; UC licensing and PVDM voice hardware are not part of the AX identity |
| Documented performance | 1 Gbps base platform performance, upgradeable to 2 Gbps with the documented performance license |
| Lifecycle status | Cisco lists the ISR4451-X product line as end of sale with support ending 30 November 2028 |
| Procurement gate | Verify PID, serial, installed modules, entitlement state and support eligibility |
| Source match | ISR4451-X-AX/K9: exact Cisco PID and bundle identity verified |
| Official manufacturer reference | Cisco Secure Boot PID List |
ISR4451-X-AX/K9 Warranty
 | Low Price Guarantee |  | Quality Assurance |
 | Free CCIE Expert Technical Support |  | Commodity Refund Guarantee |
 | Diversified and Flexible Transportation Services |  | Standard Policy |
ISR4451-X-AX/K9 FAQ
What is ISR4451-X-AX/K9?
ISR4451-X-AX/K9 - Cisco 4000 Family Integrated Services Router is a CISCO Router ISR 4000 product supplied by YYST Global for enterprise IT procurement and infrastructure projects.
Is ISR4451-X-AX/K9 available from YYST Global?
ISR4451-X-AX/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 ISR4451-X-AX/K9?
The current reference price for ISR4451-X-AX/K9 is US$ 11,428.00. Final pricing can change based on stock, quantity, configuration and delivery destination.
What should buyers verify before ordering ISR4451-X-AX/K9?
Confirm the exact model suffix, interfaces, power option, software or licenses, included accessories, new factory sealed, warranty and destination requirements before ordering ISR4451-X-AX/K9.
Related products
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