Technical data: USB 3.0. Memory capacity 1 TB. Dimensions (L x W x H) 131 x 81 x 21 mm. Colour Lilac.The 1TB StoreJet 25H3P External Hard Drive (Purple) from Transcend is a portable, rugged, high-capacity, storage solution that can transfer data quickly on and off your Windows, Linux, or Mac computer*. This drive features a large capacity of 1TB and utilizes the blazing USB 3.0 interface in connecting to your desktop or laptop computer. With this interface, the drive can transfer data at up to 5Gbps. Since it is Plug-and-Play, you need not first install drivers before using it with your computer. This drive is also backwards compatible with the USB 2.0 interface.