OP marked it as they said they replaced the SSD with a Sandisk one ;)
I will caution you before using "disable_idle_d3" - it is a bit of a band-aid that may cause other issues as well. Some devices reasonably expect d3 support, especially if it...
Another datapoint from me here - the Samsung 990 EVO Plus definitely doesn't work in passthrough, even on a server platform:
[ 1293.609288] vfio-pci 0000:46:00.0: resetting
[ 1293.671772] vfio-pci 0000:46:00.0: reset done
[ 1293.673440]...
