Another brand has entered the CFexpress Type A memory card market: Pergear. The company was already producing the more widespread Type B cards, but it has now expanded into cards suitable for Sony cameras like the a1, a7 IV and a7S III. As with all Type A cards, transfer speeds are significantly slower than Type B cards are capable of, but they're comparable with other Type A cards from more established brands like Sony and ProGrade Digital.
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The best memory cards for your camera
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