Seagate Desktop 8TB External Hard Drive USB 3.0 (STGY8000400) $122.99, free shippingEasy-to-use external desktop hard drive—simply plug in the power adapter and USB cable; fast file transfers with USB 3.0/2.0System Requirements: Windows 8, Windows 7 operating systemDrag-and-drop file saving for Windows, right out of the box; Built-in power management automatically ensures energy-efficient operationFor Mac compatibility this hard drive requires reformatting. Reformatting the drive will erase all content unless it is backed up to another drive. Refer to Application Guide for guidance on this