Given the RED Mini Mag controversy, it is good to know that you are getting what is being advertised. When I formatted the card and then mounted it on my computer it shows the actual capacity as being 512.91GB. With cameras like the Canon C70 now having the ability to record internal RAW, there is certainly the need for larger capacity V90 cards. V90 rated SD cards were only available in capacities of up to 256GB until Wise announced its 512GB card. Like with any card, you are unlikely to ever see the max. There isn’t a big difference in claimed read and write speeds for any of the available 256GB V90 cards. So how do these speeds compare to some other V90 cards on the market? Above you can see. 90MB/s is going to cover most cameras that utilize SD cards as their recording media. As I mentioned earlier Wise also claims that the card is able to support minimum sustained write speeds of 90 MB/s. The Wise 512GB V90 SDXC UHS-II Memory Card can provide speeds of up to 290 MB/s read and 260 MB/s write. SD cards, even V90 rates ones are hardly the fastest form of media. SD cards are still likely to dominate the market over the next few years and it is interesting to see that companies like Apple still put a built-in SD UHS-II slot in the latest MacBook Pro and MacStudio models. Even with a lot of cameras transitioning to CFexpress Type B cards, there is still clearly a demand for V90 SDXC UHS-II memory cards. It is interesting to see that Wise hasn’t put a lot of resources into developing the newer SD Express cards, but I think that is primarily because there is very little demand for those cards at the present time. 90MB/s is the minimum sustained transfer speed that a card needs to be certified for to earn a V90 (Video Speed Class) rating. The 512GB card is able to support minimum sustained writes of 90 MB/s. As far as I am aware, the 512GB card makes it the world’s first V90 option with that capacity.īy taking advantage of newer chips, software and 3D NAND flash memory, Wise has been able to increase the maximum capacity to 512GB, which is 4x times larger than the original model. Wise recently introduced a new series of V90 standard SDXC UHS-II memory cards in 128GB, 256GB, and 512GB.
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