TAKE NOTE: Please be informed that this is just a HARD DRIVE CASE. Thus, it can't be used as replacement/alternative hard drive. It will only work with the hard drive itself. Driverless (Except of win98) Super slim and easy portability USV 3.0 super speed up to 6Gbps Support capacity up to 1TB or more Human nature design, easy installation Support windows system Mac OS and Linux Material: Plastic USB Interface: USB 3.0 Capacity: 2TB(2000GB) Disk Rotational Speed: 7000rpm Cable Length: 30cm (Approx.) Size: 12x7.5x1.5cm (Product), 15x11x4cm(Packaging) Weight: 50g(Net),100g(Gross) Package Included: USB 3.0 2.5" HDD HD External Hard Drive Disk Case HM-2530, USB Cable, Pouch, Packaging Box Available Color: Black