ASROCK X370M Pro4 R2.0 - Page 26

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Ryzen Series CPUs (Summit Ridge):
Ryzen Series CPUs (Raven Ridge):
SR: Single rank DIMM, 1Rx4 or 1Rx8 on DIMM module label
DR: Dual rank DIMM, 2Rx4 or 2Rx8 on DIMM module label
UDIMM Memory Slot
Frequency
(Mhz)
A1 A2 B1 B2
- SR - - 2667
- DR - - 2667
- SR - SR 2667
- DR - DR 2400-2667
SR SR SR SR 2133-2400
SR/DR DR SR/DR DR 1866-2133
UDIMM Memory Slot
Frequency
(Mhz)
A1 A2 B1 B2
- SR - - 2933
- DR - - 2667
- SR - SR 2667
- DR - DR 2400
SR SR SR SR 2133
SR/DR DR SR/DR DR 1866