No, the Nikon Z30 is not compatible with the ProGrade Digital CFexpress Type A 120GB.
Nikon Z30 has only a single SD UHS-I card slot. CFexpress Type A requires a dedicated CFexpress Type A slot. No adapter or workaround exists for this physical incompatibility.
What works instead
See all compatible camera for the Nikon Z30 →“SD (Secure Digital) and UHS-I compliant SDHC and SDXC memory cards”
Last verified:
Confidence: inferred