ASRock X300M-STX User Manual - Page 24

Installing Memory Modules SO-DIMM

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X300M-STX 2.3 Installing Memory Modules (SO-DIMM) This motherboard provides two 260-pin DDR4 (Double Data Rate 4) SO-DIMM slots. It is not allowed to install a DDR, DDR2 or DDR3 memory module into a DDR4 slot; otherwise, this motherboard and SO-DIMM may be damaged. DDR4 SO-DIMM Maximum Frequency Support Ryzen Series APUs (Renoir): UDIMM Memory Slot A1 B1 SR - - SR DR - - DR SR SR DR DR Frequency (Mhz) 3200 3200 3200 3200 3200 3200 Ryzen Series CPUs (Raven Ridge): SO-DIMM Memory Slot A1 B1 - SR SR - - DR DR - SR SR DR DR Frequency (Mhz) 2933 2933 2667 2667 2667 2400 SR: Single rank DIMM, 1Rx4 or 1Rx8 on DIMM module label DR: Dual rank DIMM, 2Rx4 or 2Rx8 on DIMM module label 19 English

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X300M-STX
19
English
2.3
Installing Memory Modules (SO-DIMM)
°is motherboard provides two 260-pin DDR4 (Double Data Rate 4) SO-DIMM
slots.
DDR4 SO-DIMM Maximum Frequency Support
Ryzen Series APUs (Renoir):
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
SO-DIMM Memory Slot
Frequency
(Mhz)
A1
B1
-
SR
2933
SR
-
2933
-
DR
2667
DR
-
2667
SR
SR
2667
DR
DR
2400
It is not allowed to install a DDR, DDR2 or DDR3 memory module into a DDR4 slot;
otherwise, this motherboard and SO-DIMM may be damaged.
UDIMM Memory Slot
Frequency
(Mhz)
A1
B1
SR
-
3200
-
SR
3200
DR
-
3200
-
DR
3200
SR
SR
3200
DR
DR
3200