Sandisk are a premium manufacturer of a range of memory storage devices, offering an 'industry-leading combination of storage and professional-grade performance'. Available in a range of capacities, these Extreme Pro memory cards are intended for users of pro video cameras, high-resolution camcorders and DSLR cameras.
SDHC/SDXC UHS-I U3 Cards
These Sandisk Extreme Pro UHS-I memory cards offer a write speed of 90MB/s and a read speed of 170MB/s; UHS Speed Class 3 (U3) and Video Speed Class 30 (V30) offers a guaranteed sustained minimum write speed of 30MB/s, to allow uninterrupted 4K video recording or continuous burst mode photography.
Designed for extreme environments, these cards can withstand 500Gs of shock; operate between temperatures of -25 to 85 degrees C; withstand 72 hours in 1 metre of fresh or salt water; and are immune to airport X-rays.
For a compatible card reader, see SANDISK MEMORY CARD READERS