Newegg offers the Western Digital 4TB My Book USB 3.0 External Hard Drive, model no. WDBFJK0040HBK-NESN, for $129.99. Coupon code "EMCATAK22" cuts it to $119.99. With free shipping, that's the lowest total price we could find by $10, although we saw it for $5 less during Black Friday week. It features local and cloud backup and up to 5GB/s data transfer speeds. Deal ends June 2.