ASROCK X370M-HDV R4.0 Manual Del Usuario página 16

2.1 Installing Memory Modules (DIMM)
This motherboard provides two 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 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.
AMD non-XMP Memory Frequency Support
A-Series APUs:
UDIMM Memory Slot
A1
SR
-
DR
-
SR
DR
Ryzen Series CPUs (Pinnacle Ridge):
UDIMM Memory Slot
A1
SR
-
DR
-
SR
DR
14
Frequency
(Mhz)
B1
- 2400
SR 2400
- 2400
DR 2400
SR 2400
DR 2400
Frequency
(Mhz)
B1
- 2933
SR 2933
- 2933
DR 2933
SR 2933
DR 2933
Ryzen Series CPUs (Matisse):
UDIMM Memory Slot
A1 B1
SR -
- SR
DR -
- DR
SR SR
DR DR
Ryzen Series CPUs (Picasso):
UDIMM Memory Slot
A1 B1
SR -
- SR
DR -
- DR
SR SR
DR DR
Frequency
(Mhz)
3200
3200
3200
3200
3200
3200
Frequency
(Mhz)
2933
2933
2667
2667
2933
2667