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 | 19 | — | ✓ verified |
| Kingston | KSM26RD4/32HAI | 19 | — | ✓ verified |
| Kingston | KSM26RD4/32MEI | 19 | — | ✓ verified |
| Kingston | KSM26RD4/32MRR | 19 | — | ✓ verified |
| Micron | MTA36ASF4G72PZ-2G6 | 19 | Unknown · Crucial | ✓ verified |
| Micron | MTA36ASF4G72PZ-2G6D1 | 19 | Crucial | ✓ verified |
| Micron | MTA36ASF4G72PZ-2G6D1QI | 19 | HPE | ✓ verified |
| Micron | MTA36ASF4G72PZ-2G6D1QK | 19 | Dell | ✓ verified |
| Micron | MTA36ASF4G72PZ-2G6D1RG | 19 | Supermicro | ✓ verified |
| Micron | MTA36ASF4G72PZ-2G6D1SG | 19 | Supermicro | ✓ verified |
| Micron | MTA36ASF4G72PZ-2G6D1SK | 19 | — | ✓ verified |
| Micron | MTA36ASF4G72PZ-2G6E1RI | 19 | — | ✓ verified |
| Micron | MTA36ASF4G72PZ-2G6E1SG | 19 | — | ✓ verified |
| Micron | MTA36ASF4G72PZ-2G6E1SI | 19 | — | ✓ verified |
| Micron | MTA36ASF4G72PZ-2G6J1QG | 19 | Crucial | ✓ verified |
| Samsung | M393A4K40BB2-CTD | 19 | Lenovo | ✓ verified |
| Samsung | M393A4K40CB2-CTD | 19 | Lenovo | ✓ verified |
| Samsung | M393A4K40DB2-CTD | 19 | — | ✓ verified |
| SK hynix | HMA84GR7AFR4N-VK | 19 | Dell | ✓ verified |
| SK hynix | HMA84GR7CJR4N-VK | 19 | HP · HPE | ✓ verified |
| SK hynix | HMA84GR7DJR4N-VK | 19 | Dell | ✓ verified |
| SK hynix | HMA84GR7JJR4N-VK | 19 | — | ✓ verified |
| SK hynix | HMA84GR7MFR4N-VK | 19 | Fujitsu · Supermicro · Cisco | ✓ 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.