Samsung reports: [edited]
Samsung Electronics has unveiled the industry’s first removable memory cards based on the JEDEC Universal Flash Storage (UFS) 1.0 Card Extension Standard. Coming in a wide range of storage capacities including 256, 128, 64 and 32 GB.
It provides more than five times faster sequential read performance compared to that of a typical microSD card, reading sequentially at 530 megabytes per second (MB/s) which is similar to the sequential read speed of the most SATA SSDs. It transfers a 5GB, Full-HD movie in approximately 10 seconds.