Sony has introduced a new line of XQD format version 2 memory cards, the G Series. As with other XQD cards, the G Series promises fast read and write speeds that are able to match the demanding needs of select cameras, such as the Nikon D4 and D4s. In turn, Nikon has announced that the D4s will support Sony’s version 2 XQD cards, with improved write speeds and burst capacities. Read more
Articles: Digital Photography Review (dpreview.com)