Class 10 vs. UHS-I: What's the Difference?





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Published on Feb 8, 2013

What's the difference between Class 10 & UHS-I you may ask?

In comparison to Class 10, UHS-I cards perform significantly better, due to increased read/write speeds. With faster speeds, you'll have less delay between taking photos, be able to take more shots in succession, and will not have to wait as long for your buffer to clear.

Let's be honest; everyone has missed out on capturing a particular moment in their life due to their memory card not being fast enough. Never miss a moment with UHS-I memory cards.

To see Delkin's line of Class 10 & UHS-I cards, click here: http://www.delkindevices.com/sd

"Faster Does It" Kevin MacLeod (incompetech.com)
Licensed under Creative Commons: By Attribution 3.0

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"What's the difference between a memory card with either a Class 10 or UHS-I symbol and a memory card that has BOTH?

UHS-I is a speed rating; a UHS-I marking means that the card is UHS-I enabled and capable of performing at UHS-I speeds when used inside of a host device (camera, camcorder, reader, etc.) that is also UHS-I enabled. Delkin's 400X, 600X and 633X SD cards are all UHS-I enabled, and the read/write speeds that we list indicate the card's UHS-I speed. UHS-I cards are also backwards compatible with older technology, so they can be used in non-UHS-I enabled host devices without an issue, however they will perform at a lower speed rating. Manufacturers that list BOTH UHS-I and Class 10 on their cards are indicating that the card performs at UHS-I speeds inside of UHS-I hosts, and at Class 10 speeds in non-UHS-I hosts.

Many times photographers will not own a UHS-I enabled camera, but might purchase a UHS-I enabled memory card because they know they will update their equipment in the next year or two and want to buy a card that will get them the most amount of use. In that case, it's nice to know the speed rating that a UHS-I memory card will default to in a non-UHS-I host. All of Delkin's UHS-I enabled SD cards default to a Class 10 rating in non-UHS-I host devices.


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