XQD is a registered trademark of Sony. The XQD card is a memory card with fast data transfer. With a data rate of 168 MB/s, this flash memory can be usefully employed wherever large image files need to be stored and read out quickly. For example, in professional photography at sporting events, where the series of images from digital SLR cameras are stored at ten or more images per second
. Depending on the image resolution and graphics file format, the data transfer rates
areover 100 MB/s. In addition, the XQD card is intended for camcorders with which recordings can be made in ultra HD in the 4K standard
.GB, 32 GB and 64 GB and has a size of 38 x 30 x 3.8 mm. The average data rates of the 32 GB card have a read speed of
150 MB/s, the write speed is 105 MB/s. For the 64 GB card the values are 180 MB/s and 120 MB/s.Card readers
for XQD cards can be operated in the USB interfaces
2.0 and 3.0. For Mac computers there is adriver forThunderbolt
. A memory card with comparable data rates is the CFast card, a variant of the Compact Flash card.