Cisco / Cisco NCS 4000
XR-NCS4K-6526K9
Cisco USB Key delivery of XR 6.5.26 for NCS4K; grants RTU license
- EOL
- 2025-06-13
- EOS
- 2026-06-13
- EOSL
- 2029-06-30
Series lifecycle table
Cisco NCS 4000 EOL List
This table tracks end-of-life milestones for 22 Cisco NCS 4000 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 NCS 4000 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 2020-04-30 to 2030-11-30. Open any part number for source details, replacement fields, and current availability options.
22 products
Cisco NCS 4000 Series
Total Products: 22 | Page 2 of 2
Cisco / Cisco NCS 4000
XR-NCS4K-652K9
Cisco USB Key delivery of XR 6.5.2 for NCS4K; grants RTU license
- EOL
- 2025-06-13
- EOS
- 2026-06-13
- EOSL
- 2029-06-30
| Manufacturer | Part Number | Product Name | EOL Announcement | End of Sale (EOS) | End of Service Life (EOSL) |
|---|---|---|---|---|---|
| Cisco | XR-NCS4K-6526K9 | Cisco USB Key delivery of XR 6.5.26 for NCS4K; grants RTU license | 2025-06-13 | 2026-06-13 | 2029-06-30 |
| Cisco | XR-NCS4K-652K9 | Cisco USB Key delivery of XR 6.5.2 for NCS4K; grants RTU license | 2025-06-13 | 2026-06-13 | 2029-06-30 |