ASRock Fatal1ty B450 Gaming-ITX/ac User Manual - Page 33

Installing Memory Modules (DIMM), AMD non-XMP Memory Frequency Support

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Fatal1ty B450 Gaming-ITX/ac Series 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. AMD non-XMP Memory Frequency Support Ryzen Series CPUs (Matisse): UDIMM Memory Slot A1 B1 SR - - SR DR - - DR SR SR DR DR Frequency (Mhz) 3200 3200 3200 3200 3200 3200 Ryzen Series CPUs (Pinnacle Ridge): UDIMM Memory Slot A1 B1 Frequency (Mhz) SR - 2933 - SR 2933 DR - 2933 - DR 2933 SR SR 2933 DR DR 2933 25 English

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Fatal1ty B450 Gaming-ITX/ac Series
25
English
2.3
Installing Memory Modules (DIMM)
°is motherboard provides two 288-pin DDR4 (Double Data Rate 4) DIMM slots,
and supports Dual Channel Memory Technology.
AMD non-XMP Memory Frequency Support
Ryzen Series CPUs (Matisse):
Ryzen Series CPUs (Pinnacle Ridge):
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.
UDIMM Memory Slot
Frequency
(Mhz)
A1
B1
SR
-
3200
-
SR
3200
DR
-
3200
-
DR
3200
SR
SR
3200
DR
DR
3200
UDIMM Memory Slot
Frequency
(Mhz)
A1
B1
SR
-
2933
-
SR
2933
DR
-
2933
-
DR
2933
SR
SR
2933
DR
DR
2933