Seagate Expansion 4TB USB (Universal Serial Bus) 3.0 Desktop HDD Simple add-on storage The Seagate Expansion External hard drive by Seagate offers an easy-to-use solution when you need to add data storage to your computer instantly. Drag & drop file saving, right out of the box Fast data transfer with USB (Universal Serial Bus) 3.0 connectivity The easy-to-use storage solution The Expansion external hard drive can be installed easily by plugging in two cords. Start saving your digital files to this hard drive within seconds of removing it from the box. Adds storage capacity instantly Digital photos, video & music files can tax your computer’s storage, causing performance to decline as its internal hard drive fills to capacity. Photos based on a 10 megapixel camera producing images 5MB in size Songs based on average length of 4 minutes, 4MB size HD video based on 720p or 1080i video Blu-ray HD Movie was calculated at 16.2GB per hour recording rate Can be installed in seconds Seagate Expansion External hard drive features make it easy to start using this drive within seconds of removing it from the box: Simply plug in the included power supply & USB (Universal Serial Bus) cable The hard drive is automatically recognised by the Windows operating system — no software to install & nothing to configure Drag & drop to save files to the Expansion external hard drive Built-in power management automatically ensures energy-efficient operation Specifications: Capacity 4TB Interface USB 3.0 Warranty 1 year Length 176.0mm Width 120.6mm Typical Weight 950g