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2.3 Installing Memory Modules (DIMM)
This motherboard provides four 288-pin DDR4 (Double Data Rate 4) DIMM slots,
and supports Dual Channel Memory Technology.
1. For dual channel configuration, you always need to install identical (the same
brand, speed, size and chip-type) DDR4 DIMM pairs.
2. It is unable to activate Dual Channel Memory Technology with only one or three
memory module installed.
3. It is not allowed to install a DDR, DDR2 or DDR3 memory module into a DDR4
slot; otherwise, this motherboard and DIMM may be damaged.
DDR4 UDIMM Maximum Frequency Support
A-Series APUs:
UDIMM Memory Slot
A1
A2
B1
-
SR
-
DR
-
SR
-
DR
SR
SR
SR
SR/DR
DR
SR/DR
Ryzen Series CPUs (Pinnacle Ridge):
UDIMM Memory Slot
A1
A2
B1
-
SR
-
DR
-
SR
-
DR
SR
SR
SR
SR/DR
DR
SR/DR
Frequency
(Mhz)
B2
-
-
2400
-
-
2400
-
SR
2400
-
DR
2133
SR
1866
DR
1866
Frequency
(Mhz)
B2
-
-
2667
-
-
2400
-
SR
2667
-
DR
2400
SR
2133
DR
1866
X370M Pro4 R2.0
AB350M Pro4 R2.0
A320M Pro4 R2.0
23
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