WD 4TB My Book Desktop External Hard Drive - USB 3.0 - WDBBGB0040HBK-NESN<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Auto backup with included WD Backup software and Time Machine compatibility</li><li>Password protection with hardware encryption</li><li>Reimagined design.Trusted drive built with WD reliability</li><li>Compatible with Windows 7， 8 and 10. May require reformatting for other operating systems.</li><li>USB 3.0 port; USB 2.0 compatible</li></ul></div><img src="http://ecx.images-amazon.com/images/I/31BjN66m%2BrL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41-nSgZgrDL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/31iJg03kj0L.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41AWiQfv1nL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41XGTOZVuBL.jpg" noproxy>