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Sony launched smaller CFexpress Type A memory cards with the launch of the A7S III mirrorless camera, providing a excessive velocity (700MB/s learn/800MB/s write) possibility for recording bursts or 4K/8K video. Unfortunately, Sony itself is the one producer utilizing that slot and really promoting memory cards, so it is charging by means of the nostril. Luckily, ProGrade has simply launched its personal mannequin, the CFexpress Type A Cobalt, with the 160GB card operating $330 — $70 lower than Sony’s 160GB card.
Pre-Order ProGrade CFexpress Type A Cobalt 160GB at B&H – $330
As a reminder, CFexpress Type A makes use of the identical high-speed CFexpress know-how as the sort B cards, so the Cobalt card can ship burst learn/write speeds of 800MB/s/700MB/s and sustained write speeds of 400MB/s. That’s significantly quicker than what SD UHS II can do (burst learn/write speeds as much as 300MB/s), although slower than CFexpress Type B (1,750MB/s learn and 1,000MB/s write). Still, it is simply quick sufficient to seize high-speed photograph bursts with none stuttering, alongside with 8K or 4K 120p video.
Only two cameras really use the slot, Sony’s A7S III and A1, and each have twin slots that may settle for both SD UHS II or CFexpress Type A cards. If you personal both of these cameras, although, you understand that CFexpress Type A is way most popular because it helps all of these cameras’ video codecs and works higher for high-speed bursts. The latter is essential, because the A1 can shoot 50-megapixel RAW photographs at as much as 30 fps.
With few camera fashions supporting CFexpress Type A, different third-party card producers had but to leap on board till now, although Delkin additionally announced cards which can be coming quickly. Sony prices $200 for the 80GB card a whopping $400 for the 160GB model, however now you can pre-order the ProGrade 160GB model for a extra affordable $330.