User’s Manual
ASUS PRIME Z390-P
1-7
1.4 System memory
1.4.1 Overview
ThismotherboardcomeswithfourDoubleDataRate4(DDR4)DualInlineMemoryModule
(DIMM)sockets.ADDR4moduleisnotcheddifferentlyfromaDDR,DDR2,orDDR3module.
DONOTinstallaDDR,DDR2,orDDR3memorymoduletotheDDR4slot.
AccordingtoIntel
®
CPUspec,DIMMvoltagebelow1.35Visrecommendedtoprotectthe
CPU.
1.4.2 Memory configurations
Youmayinstall2GB,4GB,8GB,and16GBunbufferednon-ECCDDR4DIMMsintothe
DIMMsockets.Youcanrefertotherecommendedmemorypopulationbelow.
Recommended memory configurations
ON
OFF
PRIME Z390-P 288-pin DDR4 DIMM sockets
DIMM_B1
DIMM_B2*
DIMM_A1
DIMM_A2*
• YoumayinstallvaryingmemorysizesinChannelAandChannelB.Thesystemmaps
thetotalsizeofthelower-sizedchannelforthedual-channelconguration.Anyexcess
memoryfromthehigher-sizedchannelisthenmappedforsingle-channeloperation.
• AccordingtoIntel
®
CPUspec,DIMMvoltagebelow1.35Visrecommendedtoprotect
theCPU.
• WhenusingoneDIMM,installitintoslotA2forbettermemorycompatibilityand
performance