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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
Ryzen Series CPUs (Pinnacle Ridge):
UDIMM Memory Slot
A1
A2
-
SR
-
DR
-
SR
-
DR
SR
SR
SR/DR
DR
Ryzen Series CPUs (Summit Ridge)
UDIMM Memory Slot
A1
A2
-
SR
-
DR
-
SR
-
DR
SR
SR
SR/DR
DR
26
Frequency
(Mhz)
B1
B2
-
-
2933
-
-
2400
-
SR
2933
-
DR
2400
SR
SR
2133
SR/DR
DR
1866
Frequency
(Mhz)
B1
B2
-
-
2667
-
-
2667
-
SR
2667
-
DR
2400-2667
SR
SR
2133-2400
SR/DR
DR
1866-2133
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