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If you own a Sony camera like the a1, a7 IV and a7S III, then you'll want a CFexpress Type A card to ensure it can record at the fastest possible speed. With read speeds of up to 900MB/s, write speeds up to 800MB/s, and minimum write speed of 700MB/s, this Lexar Professional Gold-series Type A card is one of the fastest Type A cards on the market. But best of all, right now it can be had with a huge 30% discount at Amazon!
Read more: the best CFexpress cards
Type A CFexpress cards are physically smaller than the more prevalent Type B standard, and therefore you can't use a Type A card in a camera designed for XQD/CFexpress Type B cards. At present, very few cameras use CFexpress Type A cards: most notably the Sony A7 IV, A1 and A7S III.
See our best CFexpress cards buyers guide for our top Type B and Type A picks