Speed test your MicroSD Card! - GoPro Forum, Classifieds and Support
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post #1 of 3 Old 12-15-2013, 10:41 AM Thread Starter
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Speed test your MicroSD Card!

A majority of camera recording issues are down to a slow memory card.

A friend of mine performed a speed test on his MicroSD card, which he purchased from a local store, and found that it was most likely a fake, or faulty, card since the actual speed was no way near the manufacturer quoted speed.

Hence I've just tested my Sandisk Extreme 32GB cards and am getting the proper speeds (90MB/s Read, 50MB/s write), so I can be pretty sure they are not fakes!!
If you are a few MB/s off from the manufacturer quoted speeds you are fine - thats completely normal.
If you are way off, then there's a problem!

NOTE: I purchase my cards from Amazon. If buying from Amazon make sure its from Amazon direct - NOT a third party reseller on Amazon!

There are various free speed testing programs you can use - such as BlackMagic Disk Speed Test.
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post #2 of 3 Old 12-15-2013, 12:23 PM Thread Starter
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Oh and remember to use a USB 3 card reader and port! USB2 is not fast enough and will create a bottleneck.
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post #3 of 3 Old 12-15-2013, 04:41 PM
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It always helps to buy from a reputable brand and a source like Amazon, and more specifically Amazon direct, as mentioned.

I used Sandisk in all my cameras from DSLR's to GoPro's and they have always been good
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