1 x UnionSine External Hard Drive. Capacity: 250GB, 320GB, 500GB, 750GB, 1TB, 2TB. External Portable Hard drives USB3.0 Super-fast HDD 500GB 1TB 2TB for Windows PC. 160GB≈149GB, 250GB≈232GB, 320 GB ≈ 298 GB, 500 GB ≈ 465 GB, 750 GB ≈ 698 GB, 1 TB ≈ 931 GB, 2TB ≈ 1.81TB, 4 TB ≈ 3.63 TB，6 TB ≈ 5.45 TB，8 TB ≈ 7.27 TB，10 TB ≈ 9.09 TB，12 TB ≈ 10.91 ТB，14 TB ≈ 12.73 TB，16 TB ≈ 14.55 TB，18 TB ≈ 16.37 TB.
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