Ryzen Series CPUs (Pinnacle Ridge):
UDIMM Memory Slot
A1
A2
B1
-
SR
-
DR
-
SR
-
DR
SR
SR
SR
SR/DR
DR
SR/DR
SR/DR
SR/DR
SR/DR
Ryzen Series CPUs (Picasso):
UDIMM Memory Slot
A1
A2
B1
-
SR
-
DR
-
SR
-
DR
SR
SR
SR
SR/DR
DR
SR/DR
SR/DR
SR/DR
SR/DR
Frequency
(Mhz)
B2
-
-
2933
-
-
2933
-
SR
2933
-
DR
2933
SR
2933
DR
2667
SR/DR
2133-2400
Frequency
(Mhz)
B2
-
-
2933
-
-
2667
-
SR
2667
-
DR
2400
SR
2133
DR
1866
SR/DR
1866
B450M Steel Legend
23