Mac Pro 5,1 Nvme pci on Mojave went from 1500 mb to 700 mb in OCLP’s Ventura

What caused my nvme pci drive on Mojave to go from 1500 mb to 700 mb in OCLP’s Ventura?

Mac Pro 5,1 RX 580 128Gb 2X 3.45Ghz X5690 Boot rom 140.0 (latest)