It appears to work with any speed SD card subject to the compatibility of the SD card with the camera. That means the adapter would work with both a 64 Gb Extreme Pro card in a Nikon D810 and a 16Gb Extreme card in a D800
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Verified purchase
Great value and quality. Fast delivery. Thank you
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All good
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Past month
Verified purchase
Item as described. USB & barrel connectors are a good fit. Good price - would buy again.