The Cisco SX350X and SX550X Stackable Managed Switches in China (Select Models) reached End of Service Life (EOSL) on 28 Feb 2026.
06 Feb 2021EOSL
28 Feb 2026
- Manufacturer
- Cisco
- Product family
- 350x Series Stackable Managed Switches
- Models / part numbers
- SX350X-12-K9-CN, SX350X-24-K9-CN, SX550X-24F-K9-CN
- Category
- Network Switch
- End of sale / EOL
- 06 Feb 2021
- End of Service Life
- 28 Feb 2026
- Source
- OEM end-of-life notice · view source
- Notes
- Cisco end-of-life bulletin (announced 2020-11-07). Covers 3 part numbers, e.g. SX350X-12-K9-CN, SX350X-24-K9-CN, SX550X-24F-K9-CN.
- Last checked
- 14 Nov 2026
Frequently asked questions
When is the Cisco SX350X and SX550X Stackable Managed Switches in China (Select Models) End of Service Life?
Cisco SX350X and SX550X Stackable Managed Switches in China (Select Models) reached End of Service Life on 28 Feb 2026, after End of Sale on 06 Feb 2021.
What happens after the SX350X and SX550X Stackable Managed Switches in China (Select Models) reaches EOSL?
Cisco stops selling support contracts, spare parts and firmware updates. The hardware keeps working, but break/fix, parts and engineering help must come from a third-party maintenance provider.
Can SLA Expert support the SX350X and SX550X Stackable Managed Switches in China (Select Models) after EOSL?
Yes — SLA Expert provides multi-vendor third-party maintenance, spares and field engineering for post-EOSL Cisco equipment across the Middle East and Africa. Request a quote to confirm coverage for your units.
Related Cisco EOSL dates
| Model | Category | End of sale | EOSL date | Status | |
|---|---|---|---|---|---|
| 350X Series Stackable Managed Switches in China (Select Models) SG350X-12PMV-K9-CN, SG350X-24PV-K9-CN, SG350X-48PV-K9-CN | Network Switch | 21 Jan 2022 | 31 Jan 2027 | EOSL ≤ 12 months | |
| SG350XG Stackable Managed Switches SG350XG-24F-K9-AR, SG350XG-24F-K9-AU, SG350XG-24F-K9-BR, SG350XG-24F-K9-EU, SG350XG-24F-K9-JP, SG350XG-24F-K9-NA, SG350XG-24F-K9-UK, SG350XG-24T-K9-AR, SG350XG-24T-K9-AU, SG350XG-24T-K9-CN, SG350XG-24T-K9-EU, SG350XG-24T-K9-JP | Network Switch | 18 Jun 2020 | 30 Jun 2025 | Past EOSL | |
| 350X Series Stackable Managed Switches SG350X-8PMD-K9-AR, SG350X-8PMD-K9-AU, SG350X-8PMD-K9-BR, SG350X-8PMD-K9-EU, SG350X-8PMD-K9-JP, SG350X-8PMD-K9-NA, SG350X-8PMD-K9-UK, SG350X-24PD-K9-AR, SG350X-24PD-K9-AU, SG350X-24PD-K9-BR, SG350X-24PD-K9-EU, SG350X-24PD-K9-JP | Network Switch | 30 Jul 2022 | 31 Jul 2027 | EOSL ≤ 12 months | |
| 350X Series Stackable Managed Switches (Select Models) SG350X-24-K9-AR, SG350X-24-K9-AU, SG350X-24-K9-BR, SG350X-24-K9-CN, SG350X-24-K9-EU, SG350X-24-K9-IN, SG350X-24-K9-JP, SG350X-24-K9-NA, SG350X-24-K9-UK, SG350X-24P-K9-AR, SG350X-24P-K9-AU, SG350X-24P-K9-BR | Network Switch | 30 Oct 2021 | 31 Oct 2026 | Past EOSL | |
| 12000 Series 1-port OC-48c/POS Line Cards, FC CONNECTOR OC48E/POS-LR-FC-B, OC48E/POS-SR-FC-B | Network Module | 27 Dec 2001 | 27 Dec 2006 | Past EOSL | |
| SOHO 71, 76, 77, 77H, 806, 826, 827, and 827H Routers CISCOSOHO71, CISCOSOHO76, CISCOSOHO77-50, CISCOSOHO77H, CISCO806, CISCO826, CISCO827, CISCO827H | Router | 30 Apr 2004 | 30 Apr 2009 | Past EOSL |