There is no doubt that this is one of the best external hard disk drives one can buy. Final Words: So that was all for the WD My Passport for Mac and PC review. 3-Year Limited Warranty The My Passport Ultra for Mac drive is built using tried and true components for lasting endurance. of capacity, you have plenty of room to keep your photos, videos, music and documents with you, wherever you go and in your control. WD Discovery software can also be used to manage your drive settings such as reformatting, LED control and more.