WD - My Passport Ultra for Mac 4TB External USB 3.0 Portable Hard Drive - Silver

2 Gigabit LAN and 3 USB 3.0 ports; 4 x 3.5" drive bays; Intel Pentium N3710, 4 GB of RAM; password protection; AES 256-bit volume encryption; automatic backup; cooling fan; multiple RAID options

Access and save data quickly on this Western Digital My Passport Ultra drive for Mac. The hard drive uses USB 3.0 technology and USB-D connectivity to maximize plug-in options. Keep your files safe with the included security software, offering encryption and password protection. Its modern metal design complements your Mac, and out of the box, it’s formatted for macOS and Time Machine compatibility.