A year and a bit after SanDisk unveiled its 200GB behemoth of a microSD card, Samsung has managed to best that. The Korean company today has announced a 256GB microSD card, which is UHS-I, Class 10 (U3) compatible. The card uses "advanced V-NAND technology" to achieve a maximum read speed of 95MB/s and a write speed of up to 90MB/s. That's pretty much in the same ballpark as SanDisk's aforementioned 200GB model - but you do get more storage space, obviously. Samsung's product can store up to 12 hours of 4K video recordings, up to 33 hours of 1080p video, or 46 hours of 720p footage,...
Source: http://www.gsmarena.com/samsung_unveils_256gb_microsd_card_shipping_in_june_for_24999-news-18161.php
