[04/16/2015] Western Digital My Passport Ultra 系列 2.5 吋攜帶型外接硬碟，WD My Passport Ultra 2TB Portable External USB 3.0 Hard Drive with Auto Backup – Black，容量高達2 TB，全新，定價$179.99，黑色的機種，特價$79.99 USD。Prime境內免運費。哪裡買：amazon