ASRock B450M-HDV R4.0 User Manual - Page 26

Installing Memory Modules (DIMM), DDR4 UDIMM Maximum Frequency Support

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B450M-HDV R4.0 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 B1 - SR SR - - DR DR - SR SR DR DR Frequency (Mhz) 2667 2667 2400 2400 2667 2400 English 21

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B450M-HDV R4.0
21
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.
DDR4 UDIMM Maximum Frequency Support
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
2667
SR
-
2667
-
DR
2400
DR
-
2400
SR
SR
2667
DR
DR
2400