The LaCie 1big Dock is a Thunderbolt 3 storage hub that allows you to transfer files directly to the device via the built-in CF and SD card slots. The hub supports two 4K monitors, daisy-chaining of devices through USB-C or USB 3.0 ports, and charging laptops with up to 70W—all through a single cable. Additionally, it features an advanced cooling design and a replaceable enterprise drive with self-maintenance capability, because what really matters is maximum reliability.