Recommendations for a Late 2015 27" Imac

I have a late 2015 27" Imac, that I would like to upgrade, because Turbotax will no longer be supported on Monterey next year. I have an external DAC hooked up through USB that I listen to all my music on in Apple Music Lossless at 24bit/192Khz. I also do photo editing in Affinity. These are the major pieces of software that I don't want to lose the ability to use with an upgrade. I know getting the DAC set up to run the first time was a bit of an adventure. Has anyone else installed OCLP on an Imac of this vintage without issues, and been able to run Apple Music through an external DAC?

submitted by /u/JFrankParnell64
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