| Manufacturer Part Number | 4JMGM |
| Manufacturer Part Option | 04JMGM, M386A8K40CM2-CTD |
| Brand | DELL |
| Type | DDR4 SDRAM |
| Capacity | 64 GB |
| Form Factor | LRDIMM |
| Memory Features | Load Reduced |
| Bus Speed | PC4-21333 |
| Memory Speed | 2666MHZ |
| Number of Pins | 288 pin |
| Latency | CL19 |
| Voltage | 1.2 V |