Sony HD-SP1 Shock-Proof 1 TB External Hard Drive with Backup Manager (Green) vs Western Digital My Passport Studio 1TB USB 2.0 Portable Hard Drive (WDBK8A0010BBK) (Black)
Windows 8.1 (32bit/64bit), [Windows 8.1, Windows 8.1 Pro], Windows 8 (32bit/64bit), [Windows 8, Windows 8 Pro], Windows 7 (32bit/64bit), [Starter, Home Basic, Home Premium, Professional, Enterprise, Ultimate], Windows Vista (32bit/64bit), [Home Basic, Home Premium, Business, Ultimate]