No device connected to peripheral port
Host port Peripheral port
45W -
Device connected to peripheral port
Host port Peripheral port
30W 15W
Power pass-through
With power pass-through, you can attach a laptop's USB-C power supply to 1big Dock's peripheral
Thunderbolt 3 port and let 1big Dock 'pass' power to the laptop connected to 1big Dock's host Thunderbolt
3 port.
USB-C power supply
connected to 1big Dock
peripheral port
Power passed through to 1big
Dock host port
> 60W and < 85W Up to 56W
≥ 85W Up to 80W
1big Dock must receive power via its power cable in order to deliver power to compatible
devices.
LaCie is not responsible for devices that experience harm, damage, or malfunction when
connected to LaCie 1big Dock.
The power passed through may be limited by the host computer.