Thunderbolt 3 can attain up to 40Gb/s as opposed to Thunderbolt 2's 20Gb/s.
Use the included Thunderbolt 3 (USB-C) cable to ensure maximum data transfer performance when used
with compatible ports.
Connector face Cable end
USB 3.1 (USB-C Gen 2) cable
USB 3.1 Gen 2 can attain up to 10Gb/s as opposed to USB 3.0 at 5Gb/s and USB 2.0 at 480Mb/s.
Make certain to use the USB-C cable included with your device. Due to poor construction, many third-party
USB-C cables can cause irreparable harm to devices such as your computer and LaCie device. LaCie is not
responsible for damage to your LaCie 6big Thunderbolt 3 or LaCie 12big Thunderbolt 3 caused by third-
party cables.
Connector face Cable end
USB 3.1 (USB-C)–to–USB Type A cable
Use the USB 3.1 (USB-C)–to–USB Type A cable for compatibility with computers that do not have a USB-C
port. The USB-C end is connected to the LaCie hard drive and the Type A end is connected to the
computer’s USB 3.0 or USB 2.0 Type A port.
Hard drive performance is limited to USB 3.0 transfer rates when connected to a USB 3.0 port and, USB 2.0
transfer rates when connected to a USB 2.0 port.
