| Manufacturer Part Number | 78P4197 |
| Manufacturer Part Option | M393A2K40BB2-CTD |
| Brand | IBM |
| Type | DDR4 |
| Capacity | 16 GB |
| Form Factor | RDIMM |
| Memory Features | Registered |
| Bus Speed | PC4-21333 |
| Memory Speed | 2666 MHz |
| Number of Pins | 288 pin |
| Latency | CL19 |
| Voltage | 1.2 V |