The Cisco C3850 Fiber SKUs reaches End of Service Life (EOSL) on 30 Apr 2027.
30 Apr 2022EOSL
30 Apr 2027
- Manufacturer
- Cisco
- Product family
- Catalyst 3850 Series Switches
- Models / part numbers
- C1-WS3850-12S/K9, C1-WS3850-12XS-S, C1-WS3850-24S/K9, C1-WSC3850-24XS-S, C1-WSC3850-48XS-FS, C1-WSC3850-48XS-S, C3850-12S-E, C3850-12S-S, C3850-12XS-E, C3850-12XS-S, C3850-16XS-S, C3850-24S-E
- Category
- Network Switch
- End of sale / EOL
- 30 Apr 2022
- End of Service Life
- 30 Apr 2027
- Source
- OEM end-of-life notice · view source
- Notes
- Cisco end-of-life bulletin (announced 2021-04-30). Covers 99 part numbers, e.g. C1-WS3850-12S/K9, C1-WS3850-12XS-S, C1-WS3850-24S/K9.
- Last checked
- 14 Nov 2026
Frequently asked questions
When is the Cisco C3850 Fiber SKUs End of Service Life?
Cisco C3850 Fiber SKUs reaches End of Service Life on 30 Apr 2027, after End of Sale on 30 Apr 2022.
What happens after the C3850 Fiber SKUs 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 C3850 Fiber SKUs 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 | |
|---|---|---|---|---|---|
| Catalyst 3850 Accessories XPS-2200, XPS-2200-FAN | Network Switch | 31 May 2023 | 31 May 2028 | OEM supported | |
| Catalyst 3850 switches C1-WS3850-24P/K9, C1-WS3850-24T/K9, C1-WS3850-24U/K9, C1-WS3850-48F/K9, C1-WS3850-48P/K9, C1-WS3850-48T/K9, C1-WS3850-48U/K9, C1-WSC3850-12X48UL, C1-WSC3850-24XUL, CDB-3850-24U-L, CDB-3850-48U-L, EDU-C3850-24P-L | Network Switch | 30 Oct 2020 | 31 Oct 2025 | 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 | |
| Catalyst 6509-NEB Chassis and Cisco Catalyst 6500 1300W AC Power Supply WS-C6509-NEB, WS-C6509-NEB-FAN, WS-C6509NEB-1300A, WS-C6509NEB-1300D, WS-C6509NEB-2500A, WS-C6509NEB-2500D | Network Switch | 05 Nov 2004 | 30 Nov 2009 | Past EOSL | |
| EOS & EOL: Select Cisco Catalyst 6500 Series Components-Updated WS-C6509-NEB, WS-CAC-1300W | Network Switch | 31 Dec 2004 | 31 Dec 2009 | Past EOSL |