OWC Express 4M2

I just bought an OWC Express 4M2 storage with 2 1TB WD_BLACK SN850 NVMe disks OWC 4-bay enclosure Four identical Seagate 8TB drives

In this Video we are checking out OWC external enclosure Let me know if you've used

m2 nvme ssd slot Express 4M2 4-Slot NVMe SSD Enclosure with SoftRaid XT Four SSD bays with pure adrenaline inducing Thunderbolt 3 performance Express 4M2 = Four

which nvme slot to use  The OWC Express 4M2 is ready to serve with four easy-to-access NVMe SSD slots