ASUS UEFI updates enable 128GB DDR4 support on Z390 motherboards

Posted on Tuesday, Jan 15 2019 @ 10:40 CET by Thomas De Maesschalck
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Last week, ASUS rolled out new UEFI updates for select Z390 motherboards which increase the maximum supported DRAM capacity to 128GB. Do note that these boards are only compatible with the latest 32GB J4BGUS2G8QHBC memory chips from Samsung.
ASUS today announced that its Z390 motherboards will support a maximum DRAM capacity of 128GB via a UEFI BIOS update that’s being rolled out from today on the ASUS support site. ASUS will bring this increased memory support to all Z390 motherboards via additional BIOS updates that will be available soon.

Previously, support for 128GB of DRAM was available only on high-end desktop (HEDT) motherboards with eight DIMM slots, such as the Intel X299 platform. Intel recently updated its memory reference code (MRC), enabling the memory controller in 9th Gen Intel® Core™ processors to increase the supported capacity of each DIMM from 16GB to 32GB, resulting in a total system memory capacity of 128GB when populated with two DIMMs per channel (2DPC) on both memory channels. This increased memory support gives users more flexibility for running memory-intensive applications and tasks.

Owners of selected ASUS Z390 motherboards can update their system to support up to 128GB of memory via a BIOS available now on the ASUS support site. Additional BIOS updates for other ASUS Z390 motherboards are coming soon.


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Thomas De Maesschalck

Thomas has been messing with computer since early childhood and firmly believes the Internet is the best thing since sliced bread. Enjoys playing with new tech, is fascinated by science, and passionate about financial markets. When not behind a computer, he can be found with running shoes on or lifting heavy weights in the weight room.



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