It already was a passionate discussion on social platforms about why ASUS only release Resized BAR functionality to Z490 and Z590. Well, ASUS now has confirmed that Z370 and Z390 motherboard will soon follow suit.

By means of an update in the ROG forum, this now has been confirmed. So if you own such a motherboard, you'll have to wait a little longer, however, the support is there and will be brought to you.

Customer Service Feedback:

Dear user of ASUS products,

It is expected that the BIOS with this feature for this generation of boards will be provided during May of this year. Please do not change the subject of the email when replying and keep the correspondence in the body of the email.

This will help us respond to your request faster.

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With best wishes, Alexey H ASUS Technical Support Service