Capacity: 250GB 320GB 500GB 750GB 1TB 2TB. 160GB≈149GB, 250GB≈232GB, 320 GB ≈ 298 GB, 500 GB ≈ 465 GB, 750 GB ≈ 698 GB, 1 TB ≈ 931 GB, 2TB ≈ 1.81TB. Nominal capacity of the product (decimal) and display capacity of the computer system (binary).
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