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B660M Pro RS/D5
2.3 Installing Memory Modules (DIMM)
This motherboard provides four 288-pin DDR5 (Double Data Rate 5) DIMM slots,
and supports Dual Channel Memory Technology.
Dual Channel Memory Configuration
The DIMM only fits in one correct orientation. It will cause permanent damage to the
motherboard and the DIMM if you force the DIMM into the slot at incorrect orientation.
Priority
DDR5_A1
DDR5_A2
DDR5_B1
DDR5_B2
1
Populated
Populated
2
Populated
Populated
Populated
Populated
1. For dual channel configuration, you always need to install identical (the same brand,
speed, size and chip-type) DDR5 DIMM pairs.
2. It is unable to activate Dual Channel Memory Technology with only one or three memory
module installed.
3. It is not allowed to install a DDR, DDR2 , DDR3 or DDR4 memory module into a DDR5
slot; otherwise, this motherboard and DIMM may be damaged.
