The Sandisk Ultra is sort of Sandisk junk card. They aren’t yet available in the U3 or V30 speed class and their performance in general is very slow. But not all is bad with the Ultra cards. They do have some very impressive read speeds, it’s just the write speeds are usually on the bottom of the charts. This could still be a good memory card for videographers that are using cameras that don’t record in a very high bitrate. For example the Micro-SD version of this card is a great sd card for the GoPro.
Sandisk Ultra UHS-I Memory Card Sizes
The Sandisk Ultra can be found in four sizes – 16GB, 32GB 64GB and 128GB. They are all class 10 cards. The cards that are 32GB or smaller will only be 32-bit and will have a 4GB file size limit.
|Memory Card Name||16GB||32GB||64GB||128GB|
|Sandisk Ultra SD Memory Card||Amazon||Amazon||Amazon||Amazon|
Real World Memory Card Performance
Read world read speeds in the Sandisk Ultra are impressive, but write speeds are where they card falters.
|Memory Card Name||USB 3.0 Read||USB 3.0 Write|
|Sandisk Extreme plus SD Memory Card||99.3 MB/s||36.1 MB/s|
Speed Class: Class 10
All the cards larger than 16GB will have a V30 speed class.
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