Sony QDA-SB1 XQD USB (Universal Serial Bus) Adapter USB (Universal Serial Bus) adapter compatible with XQD G Series & M Series*1 High speed data ingest: Dramatically reduce backup time even for large RAW images or data-intensive 4K video files. Transfer 64GB of card data in Approx. 3 minutes*2. USB3.0 Extension Cable Bundled: Avoid blocking the other next USB (Universal Serial Bus) port. Stable operation & convenient use at work space. *1 Can’t be used with XQD H series, S series & N series. Make sure that both XQD memory card & an adapter have “USB” mark. *2 Based on Sony internal testing when using a Sony XQD G Series memory card & Mac Book Pro.