The SSD I’ve selected is the WD Black as this has sequential Read speeds of up to 2,050 MB/s. Once installed the card with SSD simply slots into the top X4 / RAID PCIe slot in the Mac Pro. This is relatively cheap and enables you to mount the Nvme module directly on. Star Tech x4 PCI Express to M.2 PCIe SSD Adapter
Just one issue, the old Mac Pro’s don’t have the right type of port to connect one of these superfast drives directly so you’ll also need an adapter.
