ASRock > Z390 Pro4

Memory

– 4 x DDR4 DIMM Slots
– Supports DDR4 4300+(OC) / 4133(OC) / 4000(OC) / 3866(OC) / 3800(OC) / 3733(OC) / 3600(OC) / 3200(OC) / 2933(OC) / 2800(OC) / 2666 / 2400 / 2133 non-ECC, un-buffered memory
– Supports ECC UDIMM memory modules (operate in non-ECC mode)
– Max. capacity of system memory: 128GB

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– Supports Intel® Extreme Memory Profile (XMP) 2.0
– 15μ Gold Contact in DIMM Slots

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Due to the operating system limitation, the actual memory size may be less than 4GB for the reservation for system usage under Windows® 32-bit OS. For Windows® 64-bit OS with 64-bit CPU, there is no such limitation.

– Dual Channel DDR4 Memory Technology- 4 x DDR4 DIMM Slots- Supports DDR4 4300+(OC) / 4133(OC) / 4000(OC) / 3866(OC) / 3800(OC) / 3733(OC) / 3600(OC) / 3200(OC) / 2933(OC) / 2800(OC) / 2666 / 2400 / 2133 non-ECC, un-buffered memory- Supports ECC UDIMM memory modules (operate in non-ECC mode)- Max. capacity of system memory: 128GB- Supports IntelExtreme Memory Profile (XMP) 2.0- 15μ Gold Contact in DIMM Slots