Capacity: 160GB 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, 4 TB ≈ 3.63 TB. External Hard Drive Disk 1TB 2TB USB 3.0 Portable HDD For PC Laptop Notebook TV.
