Cisco / Cisco ISR 4400
SISR4400UK9-315S
Cisco ISR 4400 Series IOS XE Universal
- EOL
- 2022-05-06
- EOS
- 2022-11-04
- EOSL
- 2027-11-30
Series lifecycle table
Cisco ISR 4400 EOL List
This table tracks end-of-life milestones for 70 Cisco ISR 4400 part numbers. For each record it lists the key dates published in Cisco lifecycle notices: the EOL announcement date, End-of-Sale (EOS), and End-of-Service-Life (EOSL). The Cisco ISR 4400 family has no single end-of-life date; milestones are set per part number, so use the table to find the exact SKU you operate. Across this series, EOSL dates range from 2026-11-30 to 2030-01-31. Open any part number for source details, replacement fields, and current availability options.
70 products
Cisco ISR 4400 Series
Total Products: 70 | Page 4 of 4
Cisco / Cisco ISR 4400
SISR4400UK9-316S
Cisco ISR 4400 Series IOS XE Universal
- EOL
- 2021-05-05
- EOS
- 2021-11-03
- EOSL
- 2026-11-30
Cisco / Cisco ISR 4400
SISR4400UK9-317S
Cisco ISR 4400 Series IOS XE Universal
- EOL
- 2022-05-06
- EOS
- 2022-11-04
- EOSL
- 2027-11-30
Cisco / Cisco ISR 4400
SISR4451XNPEK9-39S
Cisco ISR 4451-X IOS XE UNIVERSAL - NO PAYLOAD ENCRYPTION
- EOL
- 2022-05-06
- EOS
- 2022-11-04
- EOSL
- 2027-11-30
Cisco / Cisco ISR 4400
SISR44V2NPEK91610
Cisco ISR 4400 Series IOS XE Universal-No Payload Encryption
- EOL
- 2022-05-06
- EOS
- 2022-11-04
- EOSL
- 2027-11-30
Cisco / Cisco ISR 4400
SISR44V2UK91610
Cisco ISR 4400 Series IOS XE Universal
- EOL
- 2022-05-06
- EOS
- 2022-11-04
- EOSL
- 2027-11-30
Cisco / Cisco ISR 4400
SL-44-APP-K9
AppX License for Cisco ISR 4400 Series
- EOL
- 2022-11-07
- EOS
- 2023-11-07
- EOSL
- 2028-11-30
Cisco / Cisco ISR 4400
SL-44-SEC-K9
Cisco Security License for Cisco ISR 4400 Series
- EOL
- 2022-11-07
- EOS
- 2023-11-07
- EOSL
- 2028-11-30
Cisco / Cisco ISR 4400
SL-44-SECNPE-K9
Cisco SEC No Payload Encryption License for Cisco ISR 4400 Series
- EOL
- 2023-10-26
- EOS
- 2024-01-26
- EOSL
- 2029-01-31
Cisco / Cisco ISR 4400
SL-44-UC-K9
Cisco Unified Communication License for Cisco ISR 4400 Series
- EOL
- 2023-10-26
- EOS
- 2024-01-26
- EOSL
- 2029-01-31
| Manufacturer | Part Number | Product Name | EOL Announcement | End of Sale (EOS) | End of Service Life (EOSL) |
|---|---|---|---|---|---|
| Cisco | SISR4400UK9-315S | Cisco ISR 4400 Series IOS XE Universal | 2022-05-06 | 2022-11-04 | 2027-11-30 |
| Cisco | SISR4400UK9-316S | Cisco ISR 4400 Series IOS XE Universal | 2021-05-05 | 2021-11-03 | 2026-11-30 |
| Cisco | SISR4400UK9-317S | Cisco ISR 4400 Series IOS XE Universal | 2022-05-06 | 2022-11-04 | 2027-11-30 |
| Cisco | SISR4451XNPEK9-39S | Cisco ISR 4451-X IOS XE UNIVERSAL - NO PAYLOAD ENCRYPTION | 2022-05-06 | 2022-11-04 | 2027-11-30 |
| Cisco | SISR44V2NPEK91610 | Cisco ISR 4400 Series IOS XE Universal-No Payload Encryption | 2022-05-06 | 2022-11-04 | 2027-11-30 |
| Cisco | SISR44V2UK91610 | Cisco ISR 4400 Series IOS XE Universal | 2022-05-06 | 2022-11-04 | 2027-11-30 |
| Cisco | SL-44-APP-K9 | AppX License for Cisco ISR 4400 Series | 2022-11-07 | 2023-11-07 | 2028-11-30 |
| Cisco | SL-44-SEC-K9 | Cisco Security License for Cisco ISR 4400 Series | 2022-11-07 | 2023-11-07 | 2028-11-30 |
| Cisco | SL-44-SECNPE-K9 | Cisco SEC No Payload Encryption License for Cisco ISR 4400 Series | 2023-10-26 | 2024-01-26 | 2029-01-31 |
| Cisco | SL-44-UC-K9 | Cisco Unified Communication License for Cisco ISR 4400 Series | 2023-10-26 | 2024-01-26 | 2029-01-31 |