Lifecycle record
SX550X-12F-K9-NA EOL & EOSL Dates
Cisco SX550X-12F 12-Port 10G SFP+ Stackable Managed Switch
Lifecycle status
EoS - Sales Ended
SX550X-12F-K9-NA is no longer sold by Cisco; end of sale was 2022-07-30. Support continues until 2027-07-31. Recommended replacement: CBS350-12XS-NA.
Last checked: 2026-06-16
EOL & EOSL Dates and Details
| End-of-Life Announcement (EOL) | 2022-01-29 |
|---|---|
| End of Sale (EOS) | 2022-07-30 |
| End of Service Life (EOSL) | 2027-07-31 |
| Manufacturer | Cisco |
| Category | Switches |
| Product Series | Cisco 550X |
| Part Number | SX550X-12F-K9-NA |
| Release Date | 2017-01-31 |
| Replacement Part Number | CBS350-12XS-NA |
| Replacement Product Name | Cisco Business 350-12XS Managed Switch |
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 | 2022-10-28 |
|---|---|
| End Of SW Maintenance Releases Date: HW | 2023-07-30 |
| Official EOL Notice | View Official EOL Documentation |
| End Of Phone Support: HW | 2023-07-30 |
More Cisco 550X EOL Dates
| Part Number | Product Name | EOL Announcement | End of Sale |
|---|---|---|---|
| SG550X-24-K9-AU | Cisco SG550X-24 24-port Gigabit Stackable Switch | 2022-01-29 | 2022-07-30 |
| SG550X-24-K9-BR | Cisco SG550X-24 24-port Gigabit Stackable Switch | 2022-01-29 | 2022-07-30 |
| SG550X-24-K9-CN | Cisco SG550X-24 24-port Gigabit Stackable Switch | 2022-01-29 | 2022-07-30 |
| SG550X-24-K9-EU | Cisco SG550X-24 24-port Gigabit Stackable Switch | 2022-01-29 | 2022-07-30 |
| SG550X-24-K9-IN | Cisco SG550X-24 24-port Gigabit Stackable Switch | 2022-01-29 | 2022-07-30 |
| SG550X-24-K9-JP | Cisco SG550X-24 24-port Gigabit Stackable Switch | 2022-01-29 | 2022-07-30 |
| SG550X-24-K9-NA | Cisco SG550X-24 24-port Gigabit Stackable Switch | 2022-01-29 | 2022-07-30 |
| SG550X-24-K9-UK | Cisco SG550X-24 24-port Gigabit Stackable Switch | 2022-01-29 | 2022-07-30 |