Product description Style: 2 Bay | Capacity: 28 TB The My Book Duo drive has massive capacity ideal for storing photos, videos, documents and music. It’s super-fast with up to 360MB/s sequential read speeds thanks to WD Red drives inside and use of the USB Type-C port. That USB Type-C port with all cables included makes it universally compatible (supports USB 3.1 Gen 1/3.0/2.0). two USB Type-A hub ports deliver flexibility for additional accessories. Massive capacity storage with auto and system backup Raid-0 ready out of the box Raid optimised WD Red drives Usb 3.1 Gen 1-ready, USB 3.0 Compatibility 2 x USB 3.0 hub ports