I ended up using mine in a proxmox server. It worked fine until I upgraded to proxmox 7.1. According to this https://cateee.net/lkddb/web-lkddb/BLK_DEV_SKD.html it seems like the driver was removed from the linux kernel. Unraid 6.10 rc2 uses linux kernel 5.14.15, the driver was in 5.0-5.11.