|商品尺寸||10.65 x 6.3 x 2.35 cm; 118.4 克|
+ ￥134.51 运费及进口关税
+ ￥129.79 运费及进口关税
SanDisk Extreme Pro Cfexpress 读卡器 在整个工作流程中持续超高速
- 采用 USB 3.1 Gen2 速度优化的速度，SanDisk Extreme Pro cfexpress 读卡器优化了 cfexpress 卡类型 B2 的性能，实现从位置到后生产的流畅、*的工作流畅
- 对于 cfexpress 卡 B 型，此读卡器释放 cfexpress 卡类型 B2 速度，帮助您保持工作
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When you’re shooting where the action is, the CFexpress Card Type B unleashes the RAW performance of your gear. With read speeds up to 1400MB/s and write speeds up to 1700MB/s, ** [512GB only; 128GB-256GB = 1700MB/s read / 1200 MB/s write; 64GB = 1500 MB/s read / 800MB/s write] you’ll get low latency during high-speed recording and an enhanced workflow efficiency that’s far beyond anything existing SanDisk cards deliver. | **Up to 1700MB/s read speed; up to 1400MB/s write speed. Based on internal testing; performance may be lower depending upon host device, usage conditions, and other factors. 1MB=1, 000, 000 bytes.
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In my case, I took a few practice exposures on the camera, then inserted the card successfully in the reader. I did make sure to hold it in against spring tension until the Card showed up as removable disk in Windows File Manager, and I successfully transferred and opened the photos on my computer. The problem is that when I tired to remove the card from the reader, it was stuck in the slot and could not be pulled out. I had used the "Eject Disk" procedure in case there was a software lock. I tried again, but nothing happened. I restarted the computer. Nothing. I tried removing the card reader from its USB port to break the data connection. Nothing. Finally I tried wiggling the card from side to side with some force, which finally released it on one side. Pulling on the card at the same time I moved it back to the free side, I was successful in releasing the card and pulling it free. This trick worked a couple of times more, and I finally put the card back in the camera.
In my case this seems to be a completely mechanical problem. I suspect that bad design or assembly of the internal card clasping mechanism prevents either complete insertion or easy release. An insertion failure could certainly look like an data connection failure.
The proper response from Canon is to announce a recall or absolutely free product swap-out of the SanDisk reader supplied to every purchaser of the EOS-1Dx Mark III. I imagine that some of the distributed card readers may actually function properly, but they should be replaced as well. If so many are dead or moribund on delivery, others may be only days away from death.