Hello,
I have few internal drives:
1x 512GB NVMe SSD for MacOS, apps, docs, etc... (enabled for TM, disabled some locations)
1x 2TB STATA HDD for data archive or larger data (disabled for TM)
1x 1TB SATA HDD for Time Machine
1x 120GB SATA SSD for Windows (disabled for TM)
1x 1TB SATA HDD for...