We usually don’t review storage devices here but when SanDisk reached out to us to review their 400GB Ultra microSD, it was hard to say no. Although large capacity microSD cards are not particularly new, 400GB is still a mind-boggling amount of memory for something that is smaller than my thumbnail.
The 400GB model we have today is the cheaper of the two offered by SanDisk. Being part of their Ultra series, it’s not as fast as the Extreme series of cards. SanDisk advertises a 100MB/s speed for the card but reading closely reveals it is just the read speed, with the write speed not…