No, the Lexar Professional CFexpress Type A Gold 256GB is not compatible with the Nikon Z30.
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 memory card for the Lexar Professional CFexpress Type A Gold 256GB →“SD (Secure Digital) and UHS-I compliant SDHC and SDXC memory cards”
Last verified:
Confidence: inferred