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).
“XAVC HS 8K 520Mbps CFexpress Type A memory card (VPG200 or higher) XAVC S-I 4K 600Mbps CFexpress Type A memory card (VPG200 or higher)”
Last verified:
Compatibility inferred from spec rule (citations above are manufacturer-verified)