Capacity : 1TB / 1000GB External USB 3.0 compliant, USB 2.0 compatible
Capacity : 500GB External USB 3.0 compliant, USB 2.0 compatible
Capacity : 2TB / 2000GB External USB 3.0 compliant, USB 2.0 compatible
Capacity : 2TB / 2000GB USB 3.0 Interface External Compact Desktop Design