ASRock X470 Master SLI Quick Installation Guide - Page 30

Installing Memory Modules DIMM

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2.3 Installing Memory Modules (DIMM) This motherboard provides four 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 or three 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 A2 B1 B2 - SR - - - DR - - - SR - SR - DR - DR SR SR SR SR SR/DR DR SR/DR DR Frequency (Mhz) 2667 2400 2667 2400 2133 1866 English 26

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English
26
2.3
Installing Memory Modules (DIMM)
±is motherboard provides ²our 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. ³or dual channel con±guration, 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 or three
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
A2
B1
B2
-
SR
-
-
2
667
-
DR
-
-
2400
-
SR
-
SR
2
667
-
DR
-
DR
2400
SR
SR
SR
SR
2133
SR/DR
DR
SR/DR
DR
1866