Sony has launched the SF-G series of SD Card, which by the reports being given is the fastest SD card currently out there. The SD Card has a read and write speed of 300 and 299 MB/s respectively.
The Sony SF-G SD Cards would be ideal for the high-resolution cameras, but ideally, they should work with just about any device with UHS-II interface support. With a speeds hitting as high as 300 MB/s, these SD Cards speeds are giving SATA II a run for their money. These SD Cards are actually faster than most of the older SSDs, which is amazing given they are about a third of their size.
Sony has also announced its releasing a special PC card reader for the SD Cards, so you can take advantage of faster data transfer speeds on your computer. The MRW-S1 card reader by Sony is specifically made for the SF-G SD Cards, but theoretically they can work with any UHS-II cards.
The MRW-S1 card reader comes with a built-in USB 3.1 Gen 1 (Type A) connector that will ensure you get the highest possible data transfer speed possible …read more
Read more here:: Sony launches the Fastest SD Cards in the World