Milestone dates
The dates Cisco published, with Cisco's own wording under each milestone.
| Milestone | Date |
|---|---|
| End of saleCisco: End-of-Sale Date Accessory | |
| Last ship dateCisco: Last Ship Date Accessory |
Affected part numbers
6 part numbers are covered.
| Part number | Description |
|---|---|
| HCI-MR128G4RE3 | 128GB DDR5-5600 RDIMM 4Rx4 (16Gb) |
| HCI-MR128G4RE3= | 128GB DDR5-5600 RDIMM 4Rx4 (16Gb) |
| UCS-MR128G4RE3 | 128GB DDR5-5600 RDIMM 4Rx4 (16Gb) |
| UCS-MR128G4RE3= | 128GB DDR5-5600 RDIMM 4Rx4 (16Gb) |
| UCSX-MR128G4RE3 | 128GB DDR5-5600 RDIMM 4Rx4 (16Gb) |
| UCSX-MR128G4RE3= | 128GB DDR5-5600 RDIMM 4Rx4 (16Gb) |
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 Select UCS Accessories. Retrieved 25 October 2026. Manufacturers sometimes revise these dates; check the source for the exact part number you run.