https://wccftech.com/msi-adds-resizable-bar-support-intel-300-series-motherboard-lineup-z390-h370-b360-h310/

For those running an Intel 300-series motherboards and planning to get some of that resizable-bar goodness, then MSI has you covered with the latest BIOS Firmware that adds BAR support on Z390, H370, B360, and H310 chipset based motherboards.

MSI had already announced that it will be bringing Resizable-BAR to its fleet of Intel 300-series motherboards. The BIOS firmware for over 50 motherboards is now live but MSI is just getting started as more motherboards will be getting support for the feature in the future, especially the Intel Z370 lineup.