2TB 4TB 8TB 10TB External Hard Drive USB 3.0 Ultra Fast HDD Backup for PC/Laptop

Portable Expansion External Hard Drive 500GB 1TB 2TB USB 3.0 2.5" Ultra Slim HDD. Ultra Slim 2.5" External Hard Disk Drive USB3.0 320GB 500GB 1TB 2TB Extended HDD. 160GB≈149GB, 250GB≈232GB, 320GB≈298GB, 500GB≈465GB, 750GB≈698GB, 1TB≈931GB, 2TB≈1.81TB, 4TB≈3.63TB.

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