Question 1

Is the SanDisk Extreme Pro UHS-I compatible with my camera?

Accepted Answer

The SanDisk Extreme Pro uses a standard full-size SD form factor with a UHS-I interface, which is compatible with the vast majority of cameras that have an SD card slot — including entry-level mirrorless bodies, DSLRs, and action cameras. If your camera supports UHS-II slots, UHS-I cards like this one will still work, just capped at UHS-I speeds.

Question 2

What does V30 mean on an SD card?

Accepted Answer

V30 stands for Video Speed Class 30, which guarantees a minimum sustained write speed of 30MB/s. That's the threshold needed for reliable 4K video recording without buffer interruptions, making it a practical minimum for any serious video shooter.

Question 3

Is 64GB enough for photography and video?

Accepted Answer

64GB comfortably holds hundreds of RAW files from most camera systems, or roughly 30–60 minutes of 4K video depending on bitrate and codec. For day trips or shorter shoots it's plenty; for extended sessions or high-bitrate cinema formats, you may want to carry a second card.

Question 4

Is buying a used SD card safe?

Accepted Answer

Yes, provided the card has been tested and inspected before sale. Used SD cards from a reputable seller are perfectly viable — flash memory degrades with write cycles but a lightly used card has plenty of life left. Every card sold through Camera-tweedehands.nl comes with a minimum 12 months warranty, so you're covered if anything is wrong.

Question 5

What is the difference between U3 and V30?

Accepted Answer

U3 and V30 both indicate a minimum 30MB/s sustained write speed, but they come from two different classification systems. U3 is part of the older UHS Speed Class standard, while V30 is from the newer Video Speed Class standard designed specifically with video recording in mind. A card bearing both labels — like this SanDisk Extreme Pro — meets both requirements simultaneously.

Question 6

Does the 200MB/s speed matter for photography?

Accepted Answer

The 200MB/s figure refers to the maximum read speed, which is most noticeable when transferring files to your computer — a full 64GB card can dump in just a few minutes with a fast UHS-I reader. For in-camera write speeds (burst shooting, video), the V30 and U3 ratings are the more relevant performance guarantee.

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SanDisk 64GB SD Extreme Pro UHS-I U3 V30 200MB/s

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