I a having the same issue with my M1 Max. 45mb/Read 320/right at Raid 5. This broke my workflow :(
Off loading my files now and changing to OWC
Zayoka925
Users receive reputation points by contributing quality content to the forums.
Posts include post and replies published on the forums.
Post authors can mark replies as Accepted to indicate successful solutions.
Apple Developer Forums admins can mark replies as Apple Recommended to indicate an approved solution
From
Geneva, Switzerland