Connect via the USB 20gbps port on the Z790 using a 13th generation Intel processor.
Memory cards used
Lexar Diamond Series Professional 256GB CFexpress Type-B
The card reader operated at advertised speeds, in fact faster than an NVME adapter in the same price range.
With that kind of speed and IOPS, you can edit files like ssd files, not like nvme, but old sata ssd files. Please look at the charts before making a decision.