External Hard Drive 500GB 2TB Ultra Slim Portable Hard Drive USB3.0 HDD Storage. 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.
eBay