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tangozebra
Comentado en los Estados Unidos el 14 de octubre de 2024
This card definitely works at its marketed specs and is on the CFA’s list of VPG approved cards.. I’ve had it for only one shoot how’s ever it opened every option within the fx30’s codec. No rating for vpg200/400 popped up. No stuttering, fast buffer used specifically for video NOT PHOTO. But can attest to the fact that it pushes well above its advertised sustained write/read speed at 480mbps second.Had ZERO time to stress test - was a bit skeptical since the 4k R/W speeds were lower than the other options were advertising. Ordered it after reading a Chinese forum praising this card. Seems as though this is the NA model being sold here. No homepage which is a bit sus but ordered day before shooting for $119. 160GB of DCI-4k transferred from on body USB-C to Windows 11 took 15 minutes.
Dan
Comentado en los Estados Unidos el 11 de octubre de 2024
This card is an excellent performer in the A7R5. I don't own any of the competitors cards. However based upon available written reviews and YouTube reviews, this card seems to have approximately 95% of the performance of the competitors brands at a MUCH lower price. I am very pleased with the improved performance compared to the fast V90 sd uhsii cards I was using. I am getting approximately 540MB/s read and 435MB/s sustained write speeds when repeatedly transferring 5Gb of data using Blackmagic testing software. I believe other much more expensive cards would result in even faster performance but at 50% or more increase in price. The only negative is when you are shooting large raw or compressed raw files repeatedly the card went into thermal shutdown and froze the camera for about 5 seconds then returned to normal. I never got this to happen when using the camera in real world shooting. This only happened when I repeatedly was writing, deleting, writing, and deleting files intentionally trying to overheat the card. Yes the cfexpress type a card gets hot under heavy use but so did my sd uhsii cards. I will update results as necessary. In conclusion, this is a great card at a great price that will work under all but the most demanding/ torture test situations. For my amateur usage this is an ideal card. I was so pleased I purchased a second card. So far- Highly recommended.Update: The second card I ordered was noticeably slower in compressed raw file size mode than the original card. Amazon sent a replacement card and it was slower as well. Read speeds were close to the original but the write speed was under 400MB/s. These last two cards were the same speed as Pergear cards in my A7RV. I'm positive any of these inexpensive cf cards would be excellent in a lower megapixel camera. It seems the original cf card I received was a 'unicorn' card that exceeded it's ratings.
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