Samsung HX-MTA50DA User Manual page 10

Connecting your S2 Portable 3.0
Installation
Verify that the computer meets the minimum system requirements as outlined in #System Requirements.
Insert the USB cable to the desktop/laptop computer as shown in Figures 3 and 4:
Connecting to a Desktop Computer
Figure 3.
Connecting to a Laptop Computer
Figure 4.
To use the S2 Portable 3.0 model at its maximum speed, you need a PC or a Host Card that supports USB 3.0 interface.
S2 Portable Series External Hard Drive
User's Manual
10