Milestone dates
The dates Cisco published, with Cisco's own wording under each milestone.
| Milestone | Date |
|---|---|
| End of saleCisco: End-of-Sale Date: HW | |
| Last ship dateCisco: Last Ship Date: HW | |
| End of hardware repairCisco: End of Routine Failure Analysis Date: HW | |
| End of new service contractsCisco: End of New Service Attachment Date: HW | |
| End of service contract renewalCisco: End of Service Contract Renewal Date: HW | |
| Last date of supportCisco: Last Date of Support: HW |
Affected part numbers
2 part numbers are covered.
| Part number | Description |
|---|---|
| DP04SFP8-E20= | 400GBPS COHERENT OSFP, DWDM C-BAND TUNABLE 400ZR MODULE |
| DP04SFP8-E20 | 400GBPS COHERENT OSFP, DWDM C-BAND TUNABLE 400ZR MODULE |
Upgrade path
Cisco does not name a replacement part number in this announcement. Browse current Cisco products, or send your existing part numbers with a quote request and we will propose a new current model.
Source
Cisco: End-of-Sale and End-of-Life Announcement for the Cisco 400ZR OSFP digital coherent optic module. Retrieved 25 October 2026. Manufacturers sometimes revise these dates; check the source for the exact part number you run.