Perfect for PC, iPad USBC, and MAC LaCie 2big Dock is a desktop RAID that comes loaded with massive storage and speeds up to550MB/s. Compatible with USB4, USB 3.2, USB 3.0, and Thunderbolt 4,the dual Thunderbolt 4 ports can daisy chain up to five Thunderbolt devices. Plus, it comes with hot swappable Iron Wolf Pro enterprise class drives for long term performance.