A-Series/Ryzen - DDR4 Maximum Frequency Support Table
Following tables are for reference only. For specific DIMM installation / frequencies, please see the owners manual for the specific system required.
Maximum DIMM A1 DIMM A2 DIMM B1 DIMM B2
DDR4-2667 - SR - -
DDR4-2667 - DR - -
DDR4-2667 - SR - SR
DDR4-2400 - DR - DR
DDR4-2133 SR SR SR SR
DDR4-1866 DR DR DR DR
A-Series APUs:
Memory Slot Frequency (MHZ)
A1 B1
- SR 2400
SR - 2400
- DR 2400
DR - 2400
SR SR 2400
DR DR 2400
Ryzen Series CPUs:
Memory Slot Frequency (MHZ)
A1 B1
- SR 2667
SR - 2667
- DR 2667
DR - 2667
SR SR 2667
DR DR 2667
Ryzen Series CPUs (Raven Ridge):
UDIMM Memory Slot Frequency(MHZ)
A1 B1
- SR 2933
SR - 2933
- DR 2667
DR - 2667
SR SR 2667
DR DR 2400
SR: Single rank DIMM, 1Rx4 or 1Rx8 on DIMM module label
DR: Dual rank DIMM, 2Rx4 or 2Rx8 on DIMM module label
