Four manufacturers make modules at this exact specification. They match on every key parameter and are generally interchangeable: a buyer who needs "8 GB DDR4-2666 registered" can usually accept any of them.
| Manufacturer | Part number | CAS | OEM refs | Data |
|---|---|---|---|---|
| Kingston | KSM26RS8/8HAI | 19 | — | ✓ verified |
| Kingston | KSM26RS8/8HDI | 19 | — | ✓ verified |
| Kingston | KSM26RS8/8MEI | 19 | — | ✓ verified |
| Kingston | KSM26RS8/8MRR | 19 | — | ✓ verified |
| Micron | MTA9ASF1G72PZ-2G6 | 19 | HPE | ✓ verified |
| Samsung | M393A1K43BB1-CTD | 19 | Lenovo · Dell | ✓ verified |
| SK hynix | HMA81GR7AFR8N-VK | 19 | Dell · HPE | ✓ verified |
| SK hynix | HMA81GR7CJR8N-VK | 19 | Supermicro | ✓ verified |
Practical rule: servers accept these modules interchangeably in almost all cases. Keep one vendor within a memory bank and match existing modules when expanding, rather than mixing brands side by side.
Post a request for this spec and VAT-verified suppliers quote whichever brand they actually stock: Kingston, Micron, Samsung or SK hynix. You choose from real offers.