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 do I measure the transfer speeds of my USB2.0 / USB3.0 JetFlash storage device? Can my Transcend Type C products be used on iPad/iPhone? Why can't I partition my SSD or external hard drive on macOS? Technical Support If the answer can't help you, you can contact the Tech Support Department Get Started