All Lexar XQD memory cards are already listed as discontinued at B&H. Some models can still be found at Adorama and Amazon.
Nikon is currently the only camera manufacturer that uses XQD memory cards (some high-end camcorders are using XQD as well).
Sony is currently the only manufacturer of XQD memory cards (most models are finally in stock).
In June Micron killed their Lexar memory cards retail business. In September the Chinese flash storage maker Longsys acquired the Lexar brand.
