Supports faster read and write data, the 64GB Sony XQD G Series memory card can be used to record a variety of content up to 4K of video. in addition to recording 4K content, the write speed of 440MB/s sy and write speed of 400MB/s make it easier to capture photos in burst mode and in RAW format as well as optimize workflows. this Sony XQD G Series card is also compatible with PCI Express Gen. 2 and USB 3.0 interfaces, allowing its use with a PCI Express Gen. 2 and USB 3.0 interfaces, allowing it to be used with a variety of content up to 4K of video. in addition to recording 4K content, the write speed of 440MB/s makes it easier to capture photos in burst mode and in RAW format, as well as optimizing workflows. this Sony XQD G Series card also supports PCI Express Gen. 2 and USB 3.0 interfaces, allowing its use with a USB 3.0 interface.