Lifecycle record
NC55-24X100G-SB EOL & EOSL Dates
Cisco NCS 5500 24x100G Scale Spare
Lifecycle status
EoS - Sales Ended
NC55-24X100G-SB is no longer sold by Cisco; end of sale was 2022-08-23. Support continues until 2027-08-31. Recommended replacement: NC57-36H-SB.
Last checked: 2026-06-16
EOL & EOSL Dates and Details
| End-of-Life Announcement (EOL) | 2021-08-23 |
|---|---|
| End of Sale (EOS) | 2022-08-23 |
| End of Service Life (EOSL) | 2027-08-31 |
| Manufacturer | Cisco |
| Category | Routers |
| Product Series | Cisco Network Convergence System 5500 |
| Part Number | NC55-24X100G-SB |
| Model Number | NC55-24X100G-SB= |
| Release Date | - |
| Replacement Part Number | NC57-36H-SB |
| Replacement Product Name | NCS 5700 36x100G Scale Line Card Bundle |
Lifecycle Timeline
Recorded lifecycle milestones in date order.
Additional Information
Support milestones and the official source recorded for this model.
| Last Ship Date: HW, License | 2022-11-22 |
|---|---|
| End Of New Service Attachment Date: HW | 2023-08-23 |
| End Of SW Maintenance Releases Date: HW | 2025-03-30 |
| End Of Routine Failure Analysis Date: HW | 2023-08-23 |
| End Of Vulnerability/Security Support: HW | 2025-08-22 |
| End Of Service Contract Renewal Date: HW | 2026-11-21 |
| Last Date Of Support: HW | 2027-08-31 |
| Official EOL Notice | View Official EOL Documentation |
| Note | Please note: 7.9.x will be the last release that will be supported for this HW bulletin. |
More Cisco Network Convergence System 5500 EOL Dates
| Part Number | Product Name | EOL Announcement | End of Sale |
|---|---|---|---|
| NC-55-24H12F-SE | Cisco NCS 5500 24X100G and 12X40GE Line Card | 2021-08-23 | 2022-08-23 |
| NC-55-24X100G-SE | Cisco NCS 5500 24x100G Scale Line Card | 2021-08-23 | 2022-08-23 |
| NC55-24H12F-SB | Cisco NCS 5500 24X100G and 12X40G Scale Spare | 2021-08-23 | 2022-08-23 |
| NC55-24H12F-SE | Cisco NCS 5500 24X100G and 12X40GE Scale Line Card | 2021-08-23 | 2022-08-23 |
| NC55-24X100G-SE | Cisco NCS 5500 24x100G Scale Line Card | 2021-08-23 | 2022-08-23 |
| NC55-5516-FAN | Cisco NCS 5516 Fan Tray - Spare | 2022-02-10 | 2022-08-11 |
| NC55-5516-FC | Cisco NCS 5516 Fabric Card, Spare | 2022-02-10 | 2022-08-11 |
| NCS-55A1-48Q-DTC | Cisco NCS55A1 Fixed 48X25G & 6X100G chassis for DC | 2024-03-29 | 2025-03-29 |