Also you could use this adapter with and M.2 SSD
I recommend this AHCI SSD which will work.
I don't know if NVMe SSD will work or not.
The above-mentioned ssdM.2AHCIandNVMeonlyyou will beseenas an additional drive only,bottingWindows OSwiththem isimpossibleforZ800,the lack ofUEFIbios Boot