Thanks!
I actually changed my system setup a bit:
I migrated my OS to the faster SSD, NVMe, PCI Express 4.0 x4, 1TB and removed the SSD, NVMe, PCI Express 3.0 x4, 250GB
I created an L2 cache partition on de SSD, NVMe, PCI Express 4.0 x4, 1TB for the HDD, SATA-600, 8TB
How does this look?: