DDR4 DIMM slot is the 288-pin desktop memory slot accepting DDR4 RAM at 1.2V with 64-bit data width and speeds from DDR4-1600 to DDR4-5333.
| Pin | Name | Function | Type |
|---|---|---|---|
| 1 | VSS | Ground | GND |
| 2 | DQ0 | Data bit 0 | I/O |
| 5 | DQ2 | Data bit 2 | I/O |
| 8 | DQS0+ | Data strobe 0 positive | I/O |
| 9 | DQS0- | Data strobe 0 negative | I/O |
| 240 | VDD | 1.2V supply | PWR |
| 288 | VSS | Ground | GND |