What is the factory default file system for Transcend products? Category : Specification / Capacity / Performance The factory default file system is determined by the product category, series, and storage capacity, as shown in the table below. Is the answer helpful? Related How much content can you store in a card ? What should I do with the unconfigured disk, and how to partition my StoreJet (external-HDD) into several disks? How do I measure the transfer speeds of my USB2.0 / USB3.0 JetFlash storage device? Technical Support If the answer can't help you, you can contact the Tech Support Department Get Started