ASROCK X300D4-P1/DASH Manual Del Usuario página 18

Ryzen Series CPUs (Raven Ridge):
SO-DIMM Memory Slot
A1
SR
-
DR
-
SR
DR
SR: Single rank DIMM, 1Rx4 or 1Rx8 on DIMM module label
DR: Dual rank DIMM, 2Rx4 or 2Rx8 on DIMM module label
16
Frequency
(Mhz)
B1
- 2933
SR 2933
- 2667
DR 2667
SR 2933
DR 2667