Corsair Flash Voyager Slider X1 256GB USB 3.0 Flash Drive, capless design, compatible with Windows and Mac Formats, Plug and Play. USB 2.0 compatibility. Flash Voyager Slider X1 is a compact USB 3.0 drive with bold styling and performance to match its looks. It has a smart design, with a USB connector that retracts for protection when you're not using it. A blue activity LED tells you at a glance if it's transferring data.