Today only, Best Buy via eBay.com offers their
WD - Easystore 4TB External USB 3.0 Portable Hard Drive - Black
save $60.00 (40% off)
USB 3.0 interface Mac and PC compatible Automatic backup NTFS formatted.
Only at Best Buy Help preserve your memories when you're on the go with the easystore External USB 3.0 Portable Hard Drive with plug-and-play USB connectivity and WD Backup software. The backup software allows scheduling of regular automatic file transfers, and WD Discovery software makes it convenient to manage drive settings, including formatting and LED control. USB 3.0 connectivity, offers fast transfer speeds.