This is currently the lowest price on any brand of 4TB external drive.
Brad's Deals Editor David,
This WD 4TB My Book Desktop USB 3.0 External Hard Drive drops from $95.99 to $84.99 with free shipping at Newegg when you use code EMCSPVES3 in the cart, today only. This was the lowest price we found by $3. This is a USB 3.0 drive with PC and Mac compatibility and 256-Bit AES hardware encryption. It includes WD backup software. There is no sales tax (except CA, IN, NJ, and TN).