Hi, No i'm not trying to passtrough the SAS card.
The RAM usage is fine, I set a max ram uasge of 8gb for the zfs, with:
/etc/modprobe.d/zfs.conf
options zfs zfs_arc_max=8589934592
As I say, if I remove the PCIE Device in the Hardware Setting of the VM, it work.
Doesn't matter which Cache...