ISR 4000 Series
End of Life, End of Sale, and End of Service Life dates for the ISR 4000 Series range — 20 models with lifecycle data. Plan extensions, replacements, or migrations with 37 years of Cisco hardware support expertise across Australia and New Zealand.
ISR 4000 Series products in this series
20 part numbers in the ISR 4000 Series family.
| Product Name | Part Number | EOSL |
|---|---|---|
| Cisco ONE ISR 4321 (2GE,2NIM,4G FLASH,4G DRAM,IPB) (C1-CISCO4321/K9) | C1-CISCO4321/K9 | 31 Oct 2027 |
| Cisco ONE ISR 4331 (3GE,2NIM,1SM,4G FLASH,4G DRAM,IPB) (C1-CISCO4331/K9) | C1-CISCO4331/K9 | 31 Oct 2027 |
| Cisco ONE ISR 4351 (3GE,3NIM,2SM,4G FLASH,4G DRAM,IPB) (C1-CISCO4351/K9) | C1-CISCO4351/K9 | 31 Oct 2027 |
| Cisco ONE ISR 4431 (4GE,3NIM,8G FLASH,4G DRAM,IPB) (C1-CISCO4431/K9) | C1-CISCO4431/K9 | 31 Oct 2027 |
| Cisco ONE ISR 4451 (4GE,3NIM,2SM,8G FLASH,4G DRAM, IPB) (C1-CISCO4451/K9) | C1-CISCO4451/K9 | 31 Oct 2027 |
| Cisco Isr 4321 Service Router (ISR4321/K9) | ISR4321/K9 | 30 Nov 2028 |
| Cisco 4331 Integrated Services Sec Router (ISR4331-AX/K9) | ISR4331-AX/K9 | 30 Nov 2028 |
| Cisco 4331 Sec Integrated Services Router (ISR4331-SEC/K9) | ISR4331-SEC/K9 | 30 Nov 2028 |
| Cisco 4331 Integrated Services Uc Router Bundle (ISR4331-V/K9) | ISR4331-V/K9 | 30 Nov 2028 |
| Cisco 4331 Integrated Services Router (ISR4331/K9) | ISR4331/K9 | 30 Nov 2028 |
| Cisco Isr 4351 Uc Router Bundle (ISR4351-V/K9) | ISR4351-V/K9 | 30 Nov 2028 |
| Cisco Isr 4351 Router (ISR4351/K9) | ISR4351/K9 | 30 Nov 2028 |
| Cisco Isr 4431 Ax Security Service Router (ISR4431-AX/K9) | ISR4431-AX/K9 | 30 Nov 2028 |
| Cisco Isr 4431 Security Service Router (ISR4431-SEC/K9) | ISR4431-SEC/K9 | 30 Nov 2028 |
| Cisco Isr 4431 Service Router Bundle (ISR4431-V/K9) | ISR4431-V/K9 | 30 Nov 2028 |
| Cisco Isr 4431 Integrated Services Router (ISR4431/K9) | ISR4431/K9 | 30 Nov 2028 |
| Cisco 4451-X Integrated Services Router Ax Bundle (ISR4451-X-AX/K9) | ISR4451-X-AX/K9 | 30 Nov 2028 |
| Cisco Isr 4451 Sec Router Bundle (ISR4451-X-SEC/K9) | ISR4451-X-SEC/K9 | 30 Nov 2028 |
| Cisco 4451-X Integrated Services Router (ISR4451-X/K9) | ISR4451-X/K9 | 30 Nov 2028 |
| Cisco Isr4461 4-Port Gbe Router (ISR4461/K9) | ISR4461/K9 | 31 Jan 2030 |
Cisco ISR 4000 Series hardware support and maintenance
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