V3 memory MATTERS

Started Apr 27, 2014 | Discussions thread
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MattZisk Contributing Member • Posts: 636
V3 memory MATTERS
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I have quite a few SanDisk Ultra microSD (HC 1) chips around and used one (32GB) initially int eh V3, noting times to clear buffer seemed pretty long.  B&H lists the following specs:

  • 32GB Data Storage Capacity
  • Class 10 Speed
  • Max. Read Speed: 30MB/s
  • Min. Write Speed: 10MB/s
  • Ultra High Speed Class 1
  • Waterproof, X-Ray- and Shock-Proof

I then bought a 32GB SanDisk Extreme plus with the following B&H-listed specs:

  • 32GB Capacity
  • Class 10 - UHS-1
  • Max. Read Speed: 80MB/s
  • Max. Write Speed: 50MB/s
  • Water/Shock/X-Ray Proof

Both cards are listed as UHS-1, but the write speeds are off by a factor of 5.

I tested them both with a stopwatch for a 40-shot burst (RAW), and the differences in specs are reflected pretty well in the performance.  The Ultra took about 75 seconds from LED on to LED off, while the Extreme plus took about 18 seconds -- a bit more than a factor of 4 difference.  Not carefully set up, but a clear and significant difference is there between the two cards.

Nikon 1 V3
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