User Manual
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ASUS PRIME B450M-A
1-9
System memory
Overview
ThismotherboardcomeswithfourDoubleDataRate4(DDR4)DualInlineMemoryModule
(DIMM)sockets.ThegureillustratesthelocationoftheDDR4DIMMsockets:
Channel
Sockets
ChannelA DIMM_A1&DIMM_A2*
ChannelB DIMM_B1&DIMM_B2*
• YoumayinstallvaryingmemorysizesinChannelAandChannelB.Thesystem
mapsthetotalsizeofthelower‑sizedchannelforthedual‑channelconguration.Any
excessmemoryfromthehigher‑sizedchannelisthenmappedforsingle‑channel
operation.
• AlwaysinstallDIMMswiththesameCASlatency.Foroptimalcompatibility,we
recommendthatyouinstallmemorymodulesofthesameversionordatecode(D/C)
fromthesamevendor.Checkwiththeretailertogetthecorrectmemorymodules.
• Forsystemstability,useamoreefcientmemorycoolingsystemtosupportafull
memoryload(4DIMMs).
• Refertowww.asus.comforthelatestMemoryQVL(QualiedVendorsList)
DIMM_A1
DIMM_A2*
DIMM_B1
DIMM_B2*
Recommended memory congurations
DIMM_A2*
DIMM_A2*
DIMM_B2*
DIMM_A2*
DIMM_A1
DIMM_B2*
DIMM_B1