Four manufacturers make modules at this exact specification. They match on every key parameter and are generally interchangeable: a buyer who needs "32 GB DDR4-2666 registered" can usually accept any of them.
| Manufacturer | Part number | CAS | OEM refs | Data |
|---|---|---|---|---|
| Kingston | 9965640-033.C00G | — | — | specs |
| Micron | MTA36ASF4G72PZ-2G6 | — | Unknown · Crucial | specs |
| Micron | MTA36ASF4G72PZ-2G6D1 | — | Crucial | specs |
| Micron | MTA36ASF4G72PZ-2G6D1QI | — | — | specs |
| Micron | MTA36ASF4G72PZ-2G6D1QK | — | Dell | specs |
| Micron | MTA36ASF4G72PZ-2G6D1RG | — | — | specs |
| Micron | MTA36ASF4G72PZ-2G6D1SG | — | — | specs |
| Micron | MTA36ASF4G72PZ-2G6D1SK | — | — | specs |
| Micron | MTA36ASF4G72PZ-2G6E1RI | — | — | specs |
| Micron | MTA36ASF4G72PZ-2G6E1SG | — | — | specs |
| Micron | MTA36ASF4G72PZ-2G6E1SI | — | — | specs |
| Micron | MTA36ASF4G72PZ-2G6J1QG | — | Crucial | specs |
| Samsung | M393A4K40BB2-CTD | — | — | specs |
| Samsung | M393A4K40CB2-CTD | — | — | specs |
| Samsung | M393A4K40DB2-CTD | — | — | specs |
| SK hynix | HMA84GR7AFR4N-VK | — | Dell | specs |
| SK hynix | HMA84GR7CJR4N-VK | — | HP · HPE | specs |
| SK hynix | HMA84GR7DJR4N-VK | — | — | specs |
| SK hynix | HMA84GR7JJR4N-VK | — | — | 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: Kingston, Micron, Samsung or SK hynix. You choose from real offers.