1TB LaCie Porsche Design Mobile Drive for Mac, USB...

Interface USB 3.0 (USB 2.0 compatible*)
Interface Transfer Rate USB 3.0: 5 Gb/s
USB 2.0: 480 Mb/s
Software LaCie Toolkit Software Suite
Dimensions (W x D x H) 77 x 130 x 15mm / 3 x 5.1 x 0.6 in.
Weight 240 g / 8.5 oz.
System Requirements Computer with USB 3.0 or USB 2.0* port
Latest version of Mac OS® X 10.11 and later / Windows® 7 and later
Minimum free disk space: 600MB recommended
Box Content LaCie Porsche Design Mobile Drive
USB 3.0 cable (USB 2.0 compatible*)
Quick Install Guide
USB-C cable included depending on model
Comments * To achieve full interface bandwidth, connect the product to a USB 3.0 port on a computer or device.

When referring to drive capacity, one gigabyte, or GB, equals one billion bytes and one terabyte, or TB, equals one thousand billion bytes.
Your computer’s operating system may use a different standard of measurement and report a lower capacity.
In addition, some of the listed capacity is used for formatting and other functions and will not be available for data storage.