This product is either discontinued or we cannot get that from suppliers.
Western Digital WD 12TB My Book Duo USB-C External Desktop Hard Drive, Black, 2*6TB WD Red RAID 0/1/JBOD, USB 3.0 Hub, AES256, USB-C/C and USB-C/A Cables, AC Adapter.
The My Book™ Duo drive has massive capacity for storing photos, videos, documents and music. RAID-0 mode provides super-fast performance with up to 360MB/s2 sequential read speeds (using the USB Type-C™ port).