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Extreme Pro SDSDXPA-064G-A75 64 GB Secure Digital Extended Capacity (SDXC)
|Price:||$39.49 & FREE Shipping on orders over $49. Details|
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- SanDisk SDSDXPA-064G-A75
- SanDisk SDSDXPA-064G-A75 64GB Extreme Pro SD Card
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Top Customer Reviews
ATTO 2.47 Disk Benchmark via Silverstone FP37B USB 3.0 card reader @1024KB, Renesas uPD720202 USB 3.0 chipset: (converted KB results to MB)
Windows 7: Write 75.9 MB/s, Read 78.5 MB/s (fastest read for any transfer size is 81.2 MB/s)
Windows 8 Consumer Preview: Write 79.3 MB/s, Read 82.7 MB/s (fastest read for any transfer size is 83.4 MB/s)
Didn't quite reach 95 MB/s but still pretty fast. Obviously, USB 2.0 will just not cut it.
Update #1: ATTO benchmark seemed to run better after the computer was left running longer in Windows 8 Consumer Preview: 90.1 MB/s for both read and write. Still not quite 95 MB/s as labeled but reached the magical 90 MB/s barrier.
I have the SD card in the laptop's built-in SD card slot and I presume my dad's already forgotten it's even there. The backup of 30+GB of data took less than 10 minutes. I'm super impressed with the speed and there were zero issues with Windows 7 recognizing it. I put it in the laptop, setup the disk imaging / backup on a schedule to this SD card and voila, no action required on anyone's part. At this point it was worth every penny. I'll certainly update this review if I encounter any issues down the road.
However, there is an issue with the small plastic "write protect" switch on the side of the card. On a couple of the units (not all), the switch is loose enough that slight lateral pressure (e.g., from simply inserting the card into the memory slot on the camera) is sufficient to knock the switch into its protected mode. This, of course, disables the card from being written to by the camera - a potential disaster if you're out on a shoot. When pulled back out, the switch returns to its non-protected position. This got so bad on one unit that I had to use a tiny drop of CA glue (superglue) to firmly lock the switch in its non-protected position.
I bought this for my new Canon VIXIA HF M500 Full HD video camera. I bought it because HD videos need high speed read/write memory card. So the 95MB/s speed was the catch. And so far I can't complain. My camera doesn't freeze while shooting. This card is perfect for HD video recording. I wish they could make it in bigger storage size like 250 GB.
Most Recent Customer Reviews
Fun while it lasted. Almost made to 2 years. This became un-formattable.
UPDATE: Customer service replaced item with speed. Lifetime warranty.
Super Nice SD card for my Olympus OMD-EM-1 camera. Writing at over 90mb/sec, it will not be the reason my EM-1's buffer exhausts prematurely. Great speed for the money. Read morePublished 21 months ago by Mark M.