It’s size is perfect which will fit in your pocket perfectly, design wise it is very slim handy sleek and cute hard disk .it’s usb is as long, you can connect to your device .I had got 931 GB of space out of 1TB as well in my internal 1TB hard disk of seagate .It gives average 25to30 MBps writing speed and 35to40MBps speead on usb 2.0 in usb 3.0 it gives 50 mbs speed .I am using it just like a simple storage device.so I would recommend to go for seagate backup plus model