Three manufacturers make modules at this exact specification. They match on every key parameter and are generally interchangeable: a buyer who needs "64 GB DDR5-4800 registered" can usually accept any of them.
| Manufacturer | Part number | CAS | OEM refs | Data |
|---|---|---|---|---|
| Micron | MTC40F2046S1RC48B | — | — | specs |
| Micron | MTC40F2046S1RC48BA1 | — | — | specs |
| Samsung | M321R8GA0BB0-CQK | — | — | specs |
| Samsung | M321R8GA0BB0-CQKZJ | — | — | specs |
| Samsung | M329R8GA0BB0-CQK | — | Lenovo | specs |
| SK hynix | HMCG94AEBRA | — | — | specs |
| SK hynix | HMCG94AEBRA109N | — | — | specs |
| SK hynix | HMCG94AEBRA123N | — | — | specs |
| SK hynix | HMCG94MEBQA | — | — | specs |
| SK hynix | HMCG94MEBRA | — | — | specs |
| SK hynix | HMCG94MEBRA109N | — | Lenovo | specs |
| SK hynix | HMCG94MEBRA123N | — | — | specs |
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: Micron, Samsung or SK hynix. You choose from real offers.