Capacity: 250GB, 320GB, 500GB, 750GB, 1TB, 2TB. About Capacity: 250GB≈232GB, 320GB≈298GB, 500GB≈465GB, 750GB≈689GB, 1TB≈930GB, 2TB≈1860GB. There is no learning curve for this portable drive. Just plug in the power adapter and USB cable to get started, no software installation required.
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