ASROCK Fatal1ty X470 Gaming-ITX/ac Serie Handbuch Seite 31

2.3 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.
DDR4 UDIMM Maximum Frequency Support
Ryzen Series CPUs (Pinnacle Ridge):
UDIMM Memory Slot
A1
-
SR
-
DR
SR
DR
Ryzen Series CPUs (Summit Ridge):
UDIMM Memory Slot
A1
-
SR
-
DR
SR
DR
Frequency
(Mhz)
B1
SR 2933
- 2933
DR 2400
- 2400
SR 2933
DR 2400
Frequency
(Mhz)
B1
SR 2667
- 2667
DR 2667
- 2667
SR 2667
DR 2667
Fatal1ty X470 Gaming-ITX/ac Series
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