Yes, the ProGrade Digital CFexpress Type A 120GB is compatible with the Sony Alpha 1.
Sony A1 accepts CFexpress Type A in both slots. ProGrade Digital Type A is VPG200 rated, meeting all A1 recording formats (VPG200 or higher required for every mode, including 8K XAVC HS).
“This camera supports CFexpress Type A memory cards and SD memory cards (UHS-I, UHS-II compatible).”
Last verified:
Compatibility inferred from spec rule (citations above are manufacturer-verified)