It is 1 tb external without external power toshiba hard disk. extreamly fast speed for 2.0 aswell as 3.0 usb port. in earlyer pc or laptop it gives 2.0 usb avg speed of 20 to 30 mbbs and it gives white led notification when it turn over at i3 or i5 prosser it gives 70 to 80 mbbs transfar rate and gives blue led notification. extreamly easy to handel.a vedio editing software is free and it is on the raw disk memory and it is power full and easy to use for vedio cuting and editing