WD My Passport for Mac 1TB Portable External Hard Drive Storage USB 3.0 - Black & Silver (Certified Refurbished) This Certified Refurbished product is manufacturer refurbished, shows limited or no wear, and includes all original accessories plus a 90-day warranty Ultra-fast transfer rates with USB 3.0 interface The Passport for Mac is HFS+ journaled so it works right out of the box with your Mac computer, but it can be reformatted for Windows. It is also compatible with Apple Time Machine backup software. Password protection and hardware encryption 1TB Storage